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Home My WebLink About08/05/21 KRGSA AGENDA SPECIAL F BAKER � p �1S a WATER DISTRICT GROUNDWATER �LIFOR�� Board Members: Rodney Palla, Chair Gene Lundquist Bruce Freeman KERN RIVER GSA SPECIAL MEETING Thursday, August 5, 2021 10:00 a.m. City of Bakersfield Water Resources Department 1000 Buena Vista Drive, Bakersfield CA 93311 Large Conference Room AGENDA 1. CALL TO ORDER 2. ROLL CALL 3. PUBLIC STATEMENTS 4. APPROVAL OF MINUTES of the June 3, 2021, Special Meeting 5. NEW BUSINESS A. Correspondence Received (City Clerk, Chianello) B. Finance Updates (Chianello) i. Receive and File Financial Report C. Management Group Updates (Beard, Chianello, Teglia) i. Basin Coordination Committee Updates a. Native Yield Study Update b. DMS Update C. Round Mountain Aquifer Exemption ii. DWR's Statewide Airborne Electromagnetic (AEM) Surveys 6. CLOSED SESSION A. Conference with Legal Counsel-Potential Litigation; Closed Session pursuant to Government Code section 54956.9 (d)(2), (e)(1) (Two matters). 7. CLOSED SESSION ACTION 8. COMMITTEE COMMENTS 9. ADJOURNMENT SPECIAL NOTICE Public Participation and Accessibility August 5, 2021, Kern River GSA Meeting On March 18, 2020, Governor Gavin Newsom issued Executive Order N-29-20, which includes a waiver of Brown Act provisions requiring physical presence of the Council or the public in light of the COVID-19 pandemic. Based on guidance from the California Governor's Office and Department of Public Health, as well as the County Health Officer, in order to minimize the potential spread of the COVID-19 virus,the City of Bakersfield hereby provides notice that as a result of the declared federal, state, and local health emergencies, and in light of the Governor's order, the following adjustments have been made: 1. The meeting of the Kern River GSA scheduled for August 5, 2021, at 10:00 a.m.will be held at a new location in order to support social distancing requirements of six (6) feet between individuals. It is required that all non-vaccinated individuals present for the in-person meeting shall wear CDC-approved masks at all times within the building and conference room. 2. Consistent with the Executive Order, KRGSA Board and Staff may elect to attend the meeting telephonically and to participate in the meeting to the same extent as if they were physically present. 3. The public may participate in each meeting and address the KRGSA as follows: • Attend in person and speak under Public Statements. • If you wish to comment on a specific agenda item, submit your comment via email to the City Clerk at KRGSA(u-)-kernrivergsa.org no later than 1:00 p.m. prior to the KRGSA meeting. Please clearly indicate which agenda item number your comment pertains to; comments are limited to 3 minutes. • If you wish to make a general public comment not related to a specific agenda item, submit your comment via email to the City Clerk at KRGSA(a)-kern rivergsa.org no later than 1:00 p.m., prior to the KRGSA meeting. Comments are limited to 3 minutes. • Alternatively, you may comment by calling (661) 326-3100 and leaving a voicemail of no more than 3 minutes no later than 4:00 p.m. the Wednesday prior to the KRGSA meeting. Your message must clearly indicate whether your comment relates to a particular agenda item, or is a general public comment, in this format comments received will be transcribed as accurately as possible and will be provided to the KRGSA Board but not read aloud. KERN RIVER GSA MINUTES SPECIAL MEETING OF June 3, 2021 Large Conference Room, Water Resources, 1000 Buena Vista Drive 1. CALL TO ORDER REGULAR MEETING - 10:10 a.m. ACTION TAKEN 2. ROLL CALL Present: Chairman Palla, Board Members Freeman and Lundquist 3. PUBLIC STATEMENTS None 4. APPROVAL OF MINUTES - of the April 1, 2021, Regular Meeting Motion by Board Member Freeman, seconded by APPROVED Board Member Lundquist, for approval of minutes. 5. NEW BUSINESS A. Election of Chairman Motion by Board Member Lundquist, seconded by APPROVED Board Member Freeman, to appoint Rodney Palla as Chairman. i. Election of Vice Chairman Motion by Board Member Palla, seconded by Board APPROVED Member Freeman, to appoint Gene Lundquist as Vice- Chairman. B. Correspondence Received (Chianello) Correspondence received from Kern County Planning and Natural Resources Department regarding Preliminary Review of Proposed GPA/ZC located at the northeast corner of Comanche Drive and State Route 58. Bakersfield, California, June 3, 2021 — Page 2 5. NEW BUSINESS continued ACTION TAKEN Email received from Kern County Water Agency for a public hearing to receive comments regarding the Draft Improvement District No. 4 2020 Urban Water Management Plan and Water Shortage Contingency Plan. Dave Beard, ID4 Manager, made additional comments regarding the Draft Plan. C. Finance Report i. Receive and File Financial Report Art Chianello, Water Resources Manager, made staff comments. Motion by Board Member Freeman, seconded by APPROVED Board Member Lundquist, to receive and file the financial report. D. Management Group Updates (Beard, Chianello, Teglia) i. New Water Well Permit Letter Steve Teglia, General Manager, Kern Delta Water District, made Staff comments and recommends approval of the New Water Well Permit letters. Dave Beard, ID4 Manager, made additional comments. Motion by Board Member Freeman, seconded by APPROVED Board Member Lundquist, to approve Well Permit letters as presented. Bakersfield, California, June 3, 2021 — Page 3 5. NEW BUSINESS continued ACTION TAKEN ii. Boundary Adjustments Steve Teglia, General Manager, Kern Delta Water District, made Staff comments. Dave Beard, ID4 Manager, made additional comments and recommends approval of the KRGSA Boundary Adjustment. Motion by Board Member Freeman, seconded by APPROVED Board Member Lundquist, to approve KRGSA Boundary Adjustment as presented. iii. Round Mountain Aquifer Exemption Steve Teglia, General Manager, Kern Delta Water District, made Staff comments. Art Chianello, Water Resources Manager, made additional comments. Phyllis Stanin, Vice President of Todd Groundwater, made additional comments. Motion by Board Member Freeman, seconded by APPROVED Board Member Lundquist, to accept Aquifer Exemption letter as presented. iv. Basin Coordination Committee Updates Steve Teglia, General Manager, Kern Delta Water District, provided staff update. Dave Beard, ID4 Manager, made additional comments. Chairman Palla, made additional comments. Phyllis Stanin, Vice President of Todd Groundwater, made additional comments. Bakersfield, California, June 3, 2021 — Page 4 5. NEW BUSINESS continued V. KRGSA 2021 Annual Report Presentation Phyllis Stanin, Vice President of Todd Groundwater, made comments and provided a PowerPoint presentation. Steve Teglia, General Manager, Kern Delta Water District, made additional comments. Art Chianello, Water Resources Manager, made additional comments. 6. COMMITTEE COMMENTS None 7. ADJOURNMENT Chairman Palla adjourned the meeting at 11:46 a.m. Chair of the Kern River Groundwater Sustainability Agency ATTEST: SECRETARY of the Kern River Groundwater Sustainability Agency Kern River GSA Report of Receipts and Disbursements for the 2020-21 Fiscal Year Report information as of July 30,2021 Beginning Balance of KRGSA Trust as of July 1,2020 $ 596,746.52 Receipts Date Amount Received Received from: Received 7/28/2020 Greenfield GSA Member Fee 11,824.74 10/13/2020 Kern Groundwater Authority Grant Share 4,927.72 10/15/2020 Olcese Water District Grant Admin 1,064.92 11/5/2020 Buena Vista Water Storage Distict Grant Admin 1,064.92 11/9/2020 Henry Miller Water Storage Grant Admin 1,064.92 12/14/2020 Kern Groundwater Authority Grant Admin 21,292.31 3/8/2021 Kern Groundwater Authority Grant Admin 82,284.95 3/25/2021 Kern Groundwater Authority Grant Admin 7,802.15 Total Receipts in this Fiscal Year $ 131,326.63 Oustandina Receipts/Invoices Disbursements Authorized Date COB Check Amount for payment Paid Payee Number Paid by KRGSA on: 8/4/2020 Horizon Water&Environmental 711239 2,304.23 9/3/2020* 8/27/2020 Todd Groundwater 712123 10,601.70 9/3/2020* 9/10/2020 Olcese Water District 71266 372.87 11/5/2020* 9/10/2020 Henry Miller Water Storage 71620 1,908.65 11/5/2020* 9/10/2020 Kern Groundwater Authority 712637 172,604.64 11/5/2020* 9/10/2020 Buena Vista Water Storage Distict 712571 3,502.30 11/5/2020* 10/1/2020 Horizon Water&Environmental 713437 2,636.71 11/5/2020* 10/22/2020 Westside Water Authority 714473 10,295.46 11/5/2020* 11/19/2020 Todd Groundwater 715886 9,000.90 1/7/2021* 12/3/2020 Todd Groundwater 716412 9,525.25 1/7/2021* 1/7/2021 Todd Groundwater 717913 2,898.75 2/4/2021* 1/14/2021 Horizon Water&Environmental 718079 1,493.45 2/4/2021* 1/28/2021 Todd Groundwater 719094 7,062.90 2/4/2021* 2/11/2021 Kern Groundwater Authority 719604 1,902.42 4/1/2021* 3/11/2021 Kern Groundwater Authority 720769 15,255.69 4/1/2021* 3/11/2021 Todd Groundwater 720844 10,176.45 4/1/2021* 4/1/2021 Horizon Water&Environmental 721910 1,385.00 6/3/2021* 4/8/2021 Kern Groundwater Authority 721919 78,860.13 6/3/2021* 4/15/2021 Todd Groundwater 722247 5,578.80 6/3/2021* 4/29/2021 Todd Groundwater 722875 9,049.35 6/3/2021* 5/27/2021 Todd Groundwater 724419 3,986.25 6/3/2021* 7/1/2021 Horizon Water&Environmental 725706 1,394.40 7/1/2021 Todd Groundwater 725786 8,465.20 Total Disbursements in Fiscal Year $ 370,261.50 Balance in KRGSA Trust as of report date $ 357,811.65 (city trust account: Fund 618) *-date disbursement reported to KRGSA Board 5:\Accounting\KRGSA\report of receipts and disbursements lune 2021-Trust Activity-FY 20-21 ¢ 0 ° C E pU (6 Ol Ol Ol Ol D1 D1 O O Ol O O O O O Ol Ol O D1 O Ol Ol Ol Ol Ol Ol Ol N O Ol D1 Ol Ol Ol O Ol \ m a a a a a a a a a a a a a a a a a a a v a a v v v a a a a a a a a a a oM h 00 a N n 00 O 10a O a` ¢ a � v o p p o 'm 0 E a N Q N O O O O O O O O O O O O O O O O O O O O O a V 00 00 00 00 l0 l0 LD N a-1 00 00 00 O O MNv MNW OmN OMN OmN Om Om Om OM OM OM Om OM OM Om Om OM Om Om OM OVm Oa aa V 0M0 00 00 00 1, n n V 1v-i nvi nvi M M M M 00 00 00 lD LD n n n O ID lD lLD lD lD LD lD lD LD lD lD lD lD lD lD LD lD lDmO O O O M M M M M M M M o NNNNNNNNNNNNNNNMci -1lDlDlDlDDlDlDlDlDD10101LnMVD Em m mmNmNm Nmmmmm m m O Or 00 00 O 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 O lD lD LD LD /F 00 Q � Cy, m U OlD ID N to M 00 C7 ¢ o � LQ m o m ID Ol O 'm Dl N v1 D1 O lD N a E a m v1 N v1 m N N O Q N an V} O O O O O O O O O N N N N 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 O b0 Y O O O O O O O O 00 00 N N .-1 a-1 a-1 e-1 .-i e-1 .-I .--I - a-1 a-1 .--I c-I r-1 - a-I a-1 e-1 a-1 e-1 a-1 a-1 a-1 N O p � U a! 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CLAIMANTS NAME AND ADDRESS: Todd Groundwater ,5� (AUTHJW1ZED TURE ITY AGENCY) 2490 Mariner Square Loop;Suite 215 ��' Date: Alameda,CA 94501 y/ 6/25/2021 Initials of Preparer: GO CITY DEPARTMENT: FINANCE PLEASE PROVIDE SHORT EXPLANATION OF PAYMENT: (Including Contract Number if Applicable) To pay invoices for professional services rendered 5/1 -5/31/21 in connection with a groundwater sustainability plan. Fund Dept. Base EI/Objt Project# Invoice Number Amount Comments on check stub 618 0000 208 05-00 62311621 8,465.20 VOUCHER TOTAL $8,465.20 SECTION 72,PENAL CODE FINANCE DEPT.USE ONLY Section 72,Presenting False Claims. Every person who with intent to defraud, presents for allowance or for payment to any state board or officer,or any county,town,city district,ward or village board or officer,authorized to allow or pay the same if genuine,any false or fraudulent claim,bill,account,voucher, Examined&Approved for Payment Amount ' or writing,is guilty of a felony. i TODD = Invoice GROUNDWATER DATE INVOICE NO. 2490 Mariner Square Loop, Suite 215 6/8/2021 62311 621 Alameda,CA 94501 510/747-6920 Federal ID#94-2490748 BILL TO: Kern River Groundwater Sustainability Attn:Art Chianello 1600 Truxtun Avenue Bakersfield, CA 93301 Project No: 62311-KRGSA GSP Implementation DESCRIPTION HOURS RATE AMOUNT Professional services in connection with GSP Implementation Phyllis Stanin 23 250.00 5,750.00 Mike Maley 1 235.00 235.00 Maureen Reilly 2.5 230.00 575.00 Amber Ritchie 8 150.00 1,200.00 Professional Services Subtotal 7,760.00 Communications Fee @ 2%of Professional Services 7,760 0.02 155.20 Drafting,GIS & Support Services: Mike Wottrich 4 130.00 520.00 Administrative/Secretarial: Cynthia Obuchi 0.25 120.00 30.00 May 1 -May 31 $8,465.20 This invoice is now due and payable. Balances unpaid over 30 days accrue 1.5%interest per month. If payment for previous charges has been sent,please accept our thanks and disregard our reminder of previous unpaid charges. 4 O O O N Np O N O O O N O O N N �1L' V IO A Nn O 109 < S A d A OO N O N oO U3 F N -a W = w w w w N N w N w w w N N N w H w H N O o o Z C, y LL 0 O N M N w N w N N N N H N N H N N H L rl S O O O O D U H H H w N N N H N N N w H N N N 0 0 o g o 0 0 o 0 0 0 o a a o 0 0 0 0 0 0 0 0 o S o 0 0 o o o 9S E �.N M 101 M M N OO N N N O M 001 + 001 NO 1V N 'a Q N O g o O S S o M N y N — � @ N N M H w w H N M N w N N H H N H N B E Y N yV1 vAei < N H N N N H N N W W h N n r N N O.LL U O O N N 0 N O O S O D N N O N N S O O O O Cl A O A N C O O N N lV N A f� M N Gd N N N M N IN N N v a ih t0 N H H pp 1M0 N N H H 111ffMO�� N N H H 1(H� N N N FO N a0 G N b i[l a Oi YI O �N1 V N d " N N W YI 1 N N 00 �1 OOyO W 0 0 6 C N � W m N N O04 u 2 ri r 1d 0 p C W S N CVN 10 o a f}l�y� N T Nyyy a N o o 0 0 0 0 0 1n vei o 0 0 y C O a IY N i o Q. Cc loo `o n 'R S ' R g� = o a Q� Q' QE1 C C � A—�f 4n C Q 3 PC W A N O C 00 N 0 O O S O A N N r n N S N a - � n. yy O C S10. 0 s 13 m E Y o — Ri mew oN S �O Eti j� NN E f9rnYm?m�Q 00 9 9 G z` o E E v m m' " v m' m' A u 2 °a m C .- Cl m E N °) m r. ^ °1 0. O N G o m e e E 8 n s ,c a s 'a ' m = 10 rn w m E w m = ,��n 0 3 0. y a` Y E w Y x C) ' v P F h Y _ -W 412 -0112QQ m Y 50 I r ` a Z r a o u E E C d m n O Y a N N N 2 oO W N N N N N N d NN O ONO O O N N O 'W N N N u N N11 u 1 N N O N N N O O N O pp Nb N N N O O O O O O O O ry m ry A n A O N O O 100 A M 1� N 1Y O O O O O O O O O M O l� O �'• N N Oi � � OJ M N ri C O O O Oi N N W N Nv N fV pp 11pp A r A M pp 01 N O �' pO Cl I� OD N N � N Cb9 ti !N9 � V _ Yi 1� M OOi r C H H H N H N N N N M N N H N N N N N N M N N G Y N N M H C O LL ❑�p N N N H N H N N N N N N N N F Ao Ao 0 o u H N H H H H H H H N M H N N N H N N N N M N O O O O O O O O O O O O O O O o g o o O o 0 o c o 0 0 • o 0 0 0 o d o 0 0 0 0 o v o 0 Q � N U N H N N N N N N N N N N N H N H N N N N N w N N O O OO O O O O O O O O 0 0 0 0 0 H 1y(�� HH00 N N N N N N N N N N N A N N 1� o tC�} o O � b V ONO N � 0 amp O o 0 o b N Nqq x Y FJ o tL N U H H N H N H H H N H w N N N N N N N N N N N N O O N N 0I 0 O N O G Il; O N N O O O O O O O O O O 0 h 1tl A ' ' 1l1 O A ' O cI N N N IYO O C Ifi N _ n 1M0 W f0 Pb'l O 0 N N m _ VN N N O Oft 109 N m � i - �0 N yw N N H N N p N N N N M N N r N r N N O O r O O N O A N N N O N O O O O A N r $ W = nI 1� N < a Oi N nA,• N (V fz p N N o0 a00 - N �1 N C W e o 0 0 0 9 W Y w a o 0 0 0 000 NO c� rYn Gp N H y TG:N 2 G C e N N `p1 N VJ C N W N O N G N yN O O O O N O Yl q A N A N N N O h O A O N N N N O N O O O O A O iV r w a V 3 o O m o vii d Y � w i rn g m m gm m a '° °° 9 m m a .r cFca e m m e w m ° o x w IL K N A C m a� Tag E H r Y r 1Y O r b K Y a a A � N FN Q N N N N N N N N N N f N N f f ffVVV CITY OF BAKERSFIELD CLAIM VOUCHER Vendor No. 25660 1 certify that t' aim is c rect and valid,and is a proper �1 I 1 charge a n the City ency and account indicated. CLAIMANT'S NAME AND ADDRESS: P 1 . Horizon Water and Environment ]d•% � b (A HO Z IGN#fLAE OF CITY AGENCY) PO Box 2727 a✓ 7r Z57 V Date: Oakland,CA 94602 6/25/2021 Initials of Preparer: GO CITY DEPARTMENT: FINANCE PLEASE PROVIDE SHORT EXPLANATION OF PAYMENT: (Including Contract Number if Applicable) To pay invoices for professional services rendered 03/1/21 -05/31/21 in connection with a groundwater sustainability plan. Fund Dept. Base EI 1 Ob't Project# Invoice Number Amount Comments on check stub 618 0000 208 05-00 618 0000 208 09-00 5124 1,394.4D VOUCHER TOTAL $1,394.40 SECTION 72,PENAL CODE FINANCE DEPT.USE ONLY section 72,Presenting False Claims. Every person who with Intent to defraud, presents for allowance or for payment to any state board or officer,or any county,town,city district,ward or village board or officer,authorized to allow or pay the same if genuine,any false or fraudulent claim,bill,account,voucher, Examined&Approved for Payment Amount or writing,is guilty of a felony. j Ot Horizon INVOICE WATER and ENVIRONMENT P.O. BOX 2727 Oakland, CA 94602 Date Invoice# Project 510-986-1851 ken@horizonh2o.com 6/18/2021 5303 19.043 Prop 68 Grant Application www.horizonh2o.com Bill To Kern River Groundwater i- Sustainability Agency _ Bakersfield City Clerk's Office „ Terms 1600 Truxtun Avenue Bakersfield,CA 93301 Net 45 Personnel/Item Description Hrs/Qty Rate Amount Kern River Groundwater Sustainability Agency Prop 68 Grant Application For services rendered March 1-May 31,2021 Kenneth Schwarz Principal 1.16 215.00 249.40 Thomasin Grim Director 5.5 200.00 1,100.00 Sandra Wieder Admin 0.5 90.00 45.00 Labor Subtotal 1,394.40 For Services provided through May / $1,394.40 31,2021 Invoice Total Approval Signature Horizon Water and Environment,LLC is a California Limited Liability Company and a Certified Small Business(#52574) 0 � O d � m 0 ch O O t0 N O O f- t7 ri C) r i ai Z rnrlLDuo Z to l/1 It 0 Q "v Ln 0 W D d O O It J W N O O N .,•i LLJ Orn O Mo Kt C r-I 0 J O Ln NLrilLico H N c1 M il Oi!�i/►i/}EH O O C ~ W E LU Q M M cTi O 3 Z _ > Vf V1 �h fA CD d �� CD 0 i+" O H O 1p C N O N lN0 J o C p _j In Ln H N d N > 2 N J O L6 "� 1� CO N rl M N 3 < CO) m i/?i/1-in c �a C w@v N ;° Z 'r' o000 ° > 002 to am M m m 100n eNo' M of .-+ is m C1 O C O` Q -q N .y Z H N N 0 C ~ V�iA't/1•to � M m > o � a C � 41 m O Q7 r C � O � r+ U V Q Q. CLm a a � � E d C Sao " °J o .0a N in � •cv maff o a o CL m D in V' 0 Horizon Water and Environment, LLC 266 Grand Ave. Ste 210 Oakland,CA 94610 Date: 03/0112021 to 05131/2021 Client: KRGSA-Kern River Groundwater Sustainability Agency Project: 19.043-Prop 68 Grant Application Project Manager: Debra Lilly Project Scope: Group By: Task Report Type: Detail Task Personnel Date Rate Hours Fees 3.Grant Administration Wieder, Sandy 3/19/2021 $90.00 0.50 $45.00 3.Grant Administration Schwarz, Kenneth 4/1/2021 $215.00 0.33 $70.95 3.Grant Administration Grim,Thomasin 4/29/2021 $200.00 1.75 $350.00 3.Grant Administration Schwarz, Kenneth 5/2/2021 $215.00 0.33 $70.95 3.Grant Administration Grim,Thomasin 5/3/2021 $200.00 1.25 $250.00 3.Grant Administration Schwarz, Kenneth 5/3/2021 $215.00 0:50 $107.50 3. Grant Administration Grim,Thomasin 5/6/2021 $200.00 0.75 $150.00 3. Grant Administration Grim,Thomasin 5/6/2021 $200.00 0.50 $100.00 3. Grant Administration Grim,Thomasin 5/8/2021 $200.00 1.25 $250.00 Subtotal for 3.Grant Administration 7.16 $1,394.40 Total 7.16 $1,394.40 TODD = GROUNDWATER June 17, 2021 DRAFT PROPOSAL To: Kern County Subbasin Groundwater Sustainability Agencies (GSAs) Patty Poire, Kern County Subbasin GSP Plan Manager From: Mike Maley, PG, CHG, Principal Hydrogeologist/Groundwater Modeler Phyllis Stanin, PG, CHG, Vice President/ Principal Geologist Re: DRAFT Proposal—Revision 2- Kern County Subbasin Native Yield Study and C2VSimFG- Kern Model Recalibration The Kern County Subbasin (Subbasin or Basin) Groundwater Sustainability Agencies (GSAs) are cooperating on the implementation of their recently completed Groundwater Sustainability Plans (GSPs). One of the management actions listed in the Kern Groundwater Authority (KGA) Umbrella GSP was the development and implementation of a Native Yield Study to refine the understanding of the available natural, or native, groundwater recharge within the Subbasin. The results will provide technical support for future policy decisions regarding allocation groundwater pumping. A second management action is to address data gaps and recalibrate the C2VSimFG-Kern groundwater model for the Kern County Subbasin to improve the understanding of groundwater response to the implementation of projects and management actions, relationship to minimum thresholds and measurable objectives, determination of the native yield of the Subbasin, and subsurface flow within and out of the Subbasin. Since these two management actions are interrelated, the GSAs has recommended that that the work for these management actions should be conducted concurrently. Todd Groundwater has been asked to develop both an approach to meet the objectives of both of these management actions and a proposal to conduct the work. The scope of work for the Native Yield Study and the C2VSimFG-Kern model recalibration are presented as separate scopes of work. NATIVE YIELD STUDY Our approach assumes that this proposal is a technical study to quantify of the natural groundwater recharge in Kern County Subbasin through a systematic analysis of the available data. We understand that the definition of the native yield will be developed by the Kern County Subbasin GSAs and local stakeholders. Incorporated in this study are multiple meetings to provide opportunity to review the technical work during the course of the study so that a consensus of the components of the natural groundwater recharge is reached by the end of the study. The goal of the study outlined in this proposal is to provide technical support for future deliberations to determine the allocation of groundwater resources. 2490 Mariner Square Loop, Suite 215 1 Alameda, CA 94501 1 510 747 6920 1 toddgroundwater.com DRAFT — Revision 2 Background The native yield support the Kern County GSAs on future groundwater allocation issues within the basin. In general, the sustainable yield of a basin is the amount of groundwater that can be withdrawn annually without causing undesirable results. The native yield is essentially a subset of the sustainable yield where only the natural groundwater recharge is considered. For the 2020 GSPs, the native yield was calculated using both the C2VSimFG-Kern model and a basinwide spreadsheet water balance approach. However, questions persisted about the underlying data used for these calculations. The KGA GSP acknowledges these data gaps in the parameters used to define the native yield. The KGA GSP notes that as those data gaps are addressed and management actions are implemented, the estimate of native yield is subject to change. Because of this, the GSAs of the Kern County Subbasin have agreed to the continued analysis and refinement of the native yield, on both a technical and policy basis. Objectives During the process of working through the water budget allocations for the entire Kern County Subbasin with the GSAs,the native yield was one of the most critical supply sources to be coordinated. Because of this,we recognize that the development of the native yield is an important yet sensitive topic.Therefore, the overall objective of the Native Yield Study is to provide the necessary technical data to the local water managers, policy makers and stakeholders that they need to make decisions regarding the allocation of basinwide groundwater resources. To achieve this overall objective, we consider the following points as key to conducting a successful Native Yield Study. The primary focus of the Study is to develop a technically credible analysis. Our approach to this Study starts with a comprehensive compilation and review of available data. We will develop the key data sets of all natural groundwater recharge sources from the available basinwide data. These basinwide data will be validated by comparison to detailed local data for multiple areas in different parts of the Subbasin, as available. The purpose of this process is to obtain agreement on the basic data sets that compose the natural groundwater recharge and to determine the basinwide volumes and distribution for each component. The basinwide natural recharge will provide the technical basis to support decisionmakers as they address the policy, legal and water rights issues in determining the allocation of the Kern County Subbasin native yield.. In addition, we recognize the need for transparency and effective communication of the data, methodologies, and results of the Study throughout the process. Therefore, our approach includes technical support to the GSAs through coordination with numerous agencies and stakeholders in the Subbasin across a variety of venues. The stakeholder process needs to consider a wide range of stakeholders that include, but are not limited to, private well owners, disadvantaged communities, wastewater agencies, among others. Accordingly, multiple meetings and workshops with the Subbasin GSP managers and policy decision-makers are incorporated into the scope and budget. The scope and budget envision broad support of the stakeholder outreach process by the GSAs. Ultimately,the Study will need to align the technical analyses with policy decisions to protect water rights while supporting beneficial uses. To support this need, our approach is to vet the methodologies and results with local water managers, policy makers and stakeholders during the Study. Our approach includes interim documentation of each of the major technical tasks with sufficient time allowed in the schedule for review and comment periods by interested parties. Each task includes time to address these PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 2 TODD GROUNDWATER DRAFT — Revision 2 comments as the Study progresses. In this manner,we can address issues and concerns during the process with the goal to achieve general agreement on the approach as the Study progresses. The Kern County Subbasin Coordination Agreement refers to the local groundwater-surface water model (C2VSimFG-Kern) as the agreed upon method for generating coordinated water budgets for the Kern County Subbasin. To support future water budget analyses, the Study data and methodologies will be aligned with planned revisions to the C2VSimFG-Kern model. In this manner, the Native Yield Study data will be embedded into the model so that future water budget analyses are consistent with the Study results. Therefore, the Native Yield Study provides a dual function by also making key revisions to the C2VSimFG-Kern model;thereby providing a cost benefit by addressing part of the planned model revisions as part of the Native Yield Study. These and other concepts are embedded in our approach for the Native Yield Study. Additional details of our proposed approach — along with a scope of services, schedule, and budget — are provided in this proposal. Approach for the Native Yield Study Our approach for the Native Yield Study is to develop a systematic, basinwide technical analysis of the natural groundwater recharge in the Kern County Subbasin based on a comprehensive compilation and analysis of the relevant data to provide local water managers, policy makers and stakeholders with the data and information needed for allocating basinwide groundwater resources. Conceptually, natural groundwater recharge that provides native yield is derived primarily from precipitation, streamflow and watershed runoff. Therefore, this study will focus on assessing the climate and hydrological data for determining the native yield. We will compile available climatic and hydrologic data from local agencies and regional studies by state and federal agencies. Based on these data,we will develop rainfall distribution maps to assess the volume of precipitation in different areas of the Subbasin. Consideration of other native yield components such as bedrock inflow and return flows will also be addressed during the Study. The infiltration of precipitation, runoff and return flows into the subsurface is primarily controlled by the land use and soil properties. We will map local soil properties from local soil surveys to assess the runoff/infiltration partitioning of the precipitation. We will review existing local land use and crop type maps and update them,as necessary. We will assess the magnitude and transport of surface runoff during high rainfall events. Consideration of recharge and evaporative losses of natural runoff at ephemeral lakes and ponded areas will be included. Large streams, such as the Kern River and Poso Creek, have existing water rights; however, the flow in these streams is also part of the natural groundwater recharge. Although much of the flow and diversion data have been tabulated, this has mainly been done from a contractual viewpoint. The actual diversion and distribution of this water is quite complicated. Water from these streams is used for agricultural irrigation, municipal water supply,groundwater banking, lake level management and many other uses. In addition, these uses are often associated with exchanges, transfers, and written agreements involving multiple water sources. Our task is to compile and organize this data for the purpose of computing the natural groundwater recharge. The analysis will include secondary recharge of this water from return flows, wastewater disposal, conveyance seepage, runoff, and other mechanisms. The natural recharge will be determined using a water balance approach similar to that used for the GSPs and the C2VSimFG-Kern model. The climate and hydrologic data will be evaluated over the historical PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 3 TODD GROUNDWATER DRAFT — Revision 2 period as that provides average hydrologic conditions as the basis for assessing the sustainable yield for the GSPs. A soil moisture budget approach will be used to assess the deep percolation of natural recharge below the root zone. The projected-future baseline scenario in the GSPs repeated the historical natural hydrology, so this approach is appropriate for supporting the Native Yield Assessment. The distribution of the natural groundwater recharge is also affected by the geology of the unsaturated zone and principal aquifers. The unsaturated zone may contain clay layers that form local perching horizons. Several of these features have been identified in the GSPs. We will compile a map of these areas to factor perching horizons into the analysis. Four principal aquifers have been defined, so the natural recharge to each of these will be evaluated. Several aquifer exemption areas for oilfield activities have also been defined,so we will assess the effect of these areas on natural recharge.Several areas along the Subbasin margin are more complex. We have included Aquilogic, who brings experience in working for water districts and oil companies in western Kern County Subbasin, as a subconsultant to provide their experience in considerations of natural recharge in these areas. We will also work with local GSAs to address similar issues along the eastern and southern Subbasin margins. These and other revisions emphasize the need for coordination across multiple agencies during this Study. The Study will include incorporating the Native Yield Study data into the C2VSimFG-Kern model. The revised model to be used as a validation step in assessing natural recharge for the Subbasin for the Study. We will rerun the historical and projected future scenarios using the revised model. We can then compare the change in the natural recharge and native yield estimates of the revised model relative to the model results provided in the 2020 GSPs. During this Study, each step will be vetted with local water managers, policy makers and stakeholders to provide an opportunity for these groups to review and comment on the technical study data, methodology and results. The goal of our approach is to help the local water managers, policy makers, and stakeholders reach a consensus on the volume of natural groundwater recharge available for allocation. To achieve this, communication and transparency of development and results of the Native Yield Study is a focus of this scope. Therefore, a significant amount of time and budget is allotted to meetings to inform these parties of the ongoing progress and receive feedback on policy and Subbasin coordination issues related to the Native Yield Study. For each of the primary technical tasks, a technical memo and data package will be developed to provide local water managers, policy makers and stakeholders with preliminary results for review and comment. Final technical memoranda will address comments and be included as attachments to the final technical report to provide detailed documentation of data, methodology and results. The Final Technical Report will include a discussion of the Native Yield Study results in more general terms for an intended audience that includes local policymakers,stakeholders,and other interested parties. The technical documentation will be included in the technical memoranda attachments. By structuring the final report to address both a general audience and a technical audience, our goal is to provide clear, defensible documentation for the wide range of parties interested in the Native Yield study. PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 4 TODD GROUNDWATER DRAFT — Revision 2 PROPOSED SCOPE OF SERVICES The following scope of work provides additional details and a stepwise process for accomplishing the Native Yield Study. Task 1: Natural Hydrology Data Compilation and Mapping Task 1 involves gathering data necessary to determining natural recharge, incorporating the data into a GIS format, and performing an initial assessment of the data. This will center around the basic climatic and hydrologic data for the Subbasin. The assessment of precipitation is the primary step,which provides the foundation of natural groundwater recharge. Second, data sets will be compiled on the physical properties of the basin and surrounding watersheds that control the runoff-infiltration portioning of the rainfall. Finally,this task includes a comprehensive bibliography of relevant previous studies that can serve as a source of data and/or assessment of hydrologic processes in Kern County Subbasin. Several subtasks for Task 1 are outlined below: • Subtask 1.1-Historical Precipitation Data: Todd Groundwater will compile regional precipitation data from the PRISM Climate Group at Oregon State University. The PRISM data includes both daily and monthly rainfall data for Kern County. The PRISM data will be verified by comparison with available local measured precipitation data. The precipitation data will be mapped using GIS to evaluate regional precipitation patterns. Monthly and annual precipitation totals will be calculated. Periods of high-intensity rainfall will be evaluated on a daily scale to assist in evaluating runoff during high rainfall events. • Subtask 1.2- Basin and Surrounding Watershed Hydrology Data: The physical properties of the basin and surrounding watersheds will be compiled and mapped using GIS. These include land use, vegetation types, geology, soil properties, ET, slope, and other relevant hydrology information. Todd Groundwater already has much of this data in the C2VSimFG-Kern model. We will review and update data, as necessary. We will compile relevant previous studies from state and federal agencies on the regional hydrology of Kern County Subbasin. We will also request available hydrologic studies from local agencies. A bibliography of relevant studies will be developed. • Subtask 1.3-Identify Natural Recharge Components: In addition to precipitation and watershed hydrology,other natural recharge components such as bedrock inflows, return flows,stormwater, waste water and stream flow may also be considered. For this subtask, a preliminary assessment of these other potential components will be developed and vetted with local water managers, policy makers and stakeholders under Task 5. From these discussions, local policy makers will decide how these components should be addressed in the Study. • Subtask 1.4 - Task 1 Technical Memorandum (TM) / Data Package: The data sources, methodology and analysis will be documented in a technical memorandum (TM), along with a data package of climate and hydrological data in GIS format. A draft TM will be issued for review and comment by local stakeholders. The final TM will be addressed in Task 4 for the final report. The results of this compilation will be summarized using tables and GIS maps that put the data into a consistent format to illustrate a range of conditions and identify potential data gaps. An assessment of these data will be performed to determine the overall strengths and weaknesses of the different data sets.The schedule includes time for presentation and review of this information by local water managers, policy makers and stakeholders under Task 6. PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 5 TODD GROUNDWATER DRAFT — Revision 2 Task 2: Natural Hydrological Evaluation For Task 2,the approach is to conduct these evaluations for limited areas with higher quality data to work out the details of applying the methodology and distributing parameters over areas of differing hydrologic characteristics. A key part of the hydrological evaluation is to determine the runoff-infiltration portioning of the rainfall for different areas of the Kern County Subbasin and surrounding watersheds. This will focus first on the surface conditions during rainfall, including a drainage assessment to evaluate transport of surface runoff. A soil moisture budget approach will be used,similar to that used for the C2VSimFG-Kern model,to assess the volume of the natural recharge taken up by evapotranspiration and the remaining volume available for deep percolation below the root zone. The root zone properties from the model will be reviewed and updated as necessary to better reflect local conditions. Task 2 includes compilation of data for large stream to develop the process for calculating seepage recharge, conveyance seepage and return flows from diverted streamflow. In addition, initial work on the influence of geology will be developed with emphasis on the complex geology along the Subbasin margins, oil field aquifer exemptions and distribution of key confining layers such as the E-clay. The approach is to conduct these evaluations for limited areas with higher quality data to work out the details of applying the methodology and distributing parameters over areas of differing hydrologic characteristics. We have added time to each subtask for coordination with local agencies and stakeholders to vet our methodology to improve our ability to estimate the natural hydrology recharge based on local data and water management practices. We have included budget for subconsultants, such as Aquilogic, to provide their experience to help address specific issues such as watershed hydrology and hydrogeological conceptual model issues along the Subbasin margins. In addition, we have added time for collaboration with DWR, USGS California Water Science Center and local universities on our technical approach to each subtask. Once the methodology and parameters are defined, then the evaluation will be scaled-up to a basinwide evaluation. By focusing on these local areas first, we can improve the efficiency in completing the hydrological evaluations. Several subtasks are outlined below that address the following subtasks: • Subtask 2.1-Watershed Hydrological Assessment: The hydrology of the surrounding watersheds is distinctly different from those in the Subbasin. The goal of this subtask is to characterize the watershed areas to determine the volume of runoff, baseflow and bedrock inflow emanating from these areas into the Subbasin. The hydrology assessment will also examine the route of surface water runoff as it flows through the Subbasin, including the ultimate destination of high flows. We will also consider the potential for bedrock inflows from these watersheds based on available information. • Subtask 2.2-Basin Hydrological Assessment: The hydrology of the basin will primarily follow the soil moisture budget approach used in the C2VSimFG-Kern model to insure consistency of methods. Because of this, we have many of the required parameters in the model already. However, the mapping of the climate, hydrologic, physical, and other properties throughout the Subbasin will be reviewed and updated, as necessary. It is anticipated that the assessment will employ the IDC tool, which is a standalone module of the C2VSimFG-Kern model. The IDC tool tracks return flows through the soil zone from precipitation and applied water separately to allow for a determination of natural recharge return flows. PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 6 TODD GROUNDWATER DRAFT — Revision 2 • Subtask 2.3 - Large Stream and Canal Seepage Hydrological Assessment: Streamflow and diversion data for large streams will be compiled and organized for the purpose of computing the natural groundwater recharge from local hydrographic reports, water district data and other sources. The purpose is to develop a process to track the distribution of natural streamflow within the Subbasin separately from water imported from outside of the basin. A process will be developed to track the use of diverted natural stream water for agricultural irrigation, municipal water supply, groundwater banking, lake level management and many other uses. In addition, this process will also address how to include secondary recharge from the natural stream water from return flows, wastewater disposal, conveyance seepage, runoff and other mechanisms separately from imported water. • Subtask 2.4 - Assessment of Other Natural Recharge Components: The other hydrologic components that are selected by local policymakers from Subtask 1.3 will be addressed under this task. The methodology for return flows and unallocated stream recharge may overlap with Subtasks 2.1 and 2.2. Bedrock inflow and potentially other identified native yield components will be addressed in this subtask following the approach developed in Subtask 1.3. • Subtask 2.5 - Assessment of Basin Geology on Natural Recharge: Identify the key geological features that may affect natural groundwater recharge. These include the geology of the unsaturated zone and principal aquifers. Compile maps of the four principal aquifers, local clay layers that form local perching horizons, aquifer exemption areas for oilfield activities. • Subtask 2.6-Task 2 Technical Memorandum(TM)/Data Package:The methodology and analysis will be documented in a technical memorandum (TM), along with a data package, which will summarize the Subbasin and watershed hydrological assessments. A draft TM will be issued for review and comment by local stakeholders. Comments will be addressed in the final TM and incorporated into the final report as described in Task 5. The results of this compilation will be summarized using tables and GIS maps that put the hydrological and water budget components into a consistent format to illustrate the potential range of conditions and identify potential data gaps. An assessment of these data will be performed to determine the overall strengths and weaknesses of the different data sources.The schedule includes time for presentation and review of this information by local water managers, policy makers and stakeholders under Task 6. Task 3: Natural Groundwater Recharge Evaluation Task 3 consists of an assessment of the volume and distribution of natural groundwater recharge within the Kern County Subbasin as the basis for determining a native yield. This task first involves updating the Task 2 analysis based on newly available data or comments by local stakeholders. Then the basinwide natural groundwater recharge will be calculated based on the Task 1 and 2 data and methodologies. For the native yield assessment, the distribution of the natural groundwater recharge will be evaluated with respect to the four principal aquifers. Potential losses of natural recharge to perched groundwater systems or exempt aquifers will also be considered. Based on this assessment, a native yield will be developed. Several subtasks for Task 2 are outlined below: • Subtask 3.1-Update Data and Hydrological Assessment: It is anticipated that after review of the information presented in the Task 1 and 2 TMs, there will be additions or modifications to the data, mapping or methodologies used. We will address these comments and update the Task 1 and 2 evaluations as appropriate. The goal of the study is to reach a consensus, so this subtask provides to revise Task 1 and 2 results in preparation for Task 3 based comments on the Task 1 and 2 TMs and presentations. PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 7 TODD GROUNDWATER DRAFT — Revision 2 • Subtask 3.2-Groundwater Basin Natural Recharge: We will apply the data and methodology to develop a basinwide distribution of natural groundwater recharge for the Kern County Subbasin. This will integrate the recharge from precipitation, runoff and other identified natural recharge components both within the basin and from the surrounding watersheds. The groundwater recharge will be calculated monthly and compiled annually to determine the volume and distribution of recharge. We will also look at losses of natural water in the root zone and evaporation from lakes and ponded areas. • Subtask 3.3 - Develop Basinwide Stream and Canal Seepage Natural Recharge: Based on diversion data for large streams, develop a basinwide dataset for the purpose of computing the natural groundwater recharge from local hydrographic reports, water district data and other sources. The purpose is to track natural streamflow from water inflows from outside of the basin. Tabulate water uses of diverted surface water for agricultural irrigation, municipal water supply, groundwater banking, lake level management and many other uses. The analysis will include secondary recharge of this water from return flows, wastewater disposal, conveyance seepage, runoff and other mechanisms. • Subtask 3.4-Natural Groundwater Recharge Evaluation: Using the results from Subtask 3.2,we will further assess the location of the natural groundwater recharge with respect to the underlying aquifers. We will assess the recharge that goes to each of the four principal aquifers. Recharge to perched groundwater systems or oil-field aquifer exemptions will be assessed whether any of that recharge ultimately goes to a principal aquifer. Based on this assessment, a preliminary estimate or range of estimates of the potential Kern County Subbasin native yield will be developed. The recalibrated model results will be assessed with respect to the natural recharge for the Subbasin as a validation step to identify potential issues. • Subtask 3.5-Task 3 Technical Memorandum(TM)/Data Package:The methodology and analysis will be documented in a technical memo, along with a data package of summarizing the natural groundwater recharge evaluation. A draft TM will be issued for review and comment by local stakeholders. The final TM will be addressed in Task 5 for the final report. Task 3 is the primary technical analysis for assessing the native yield. Therefore, the schedule includes pauses in the study to allow for review by local water managers, policy makers and stakeholders. There will be multiple presentations of this information under Task 6. The results of this compilation will be summarized using tables and GIS maps that put the distribution of the natural groundwater recharge and native yield assessment into a consistent format to illustrate the potential range of conditions and identify potential data gaps. An assessment of these data will be performed to determine the overall strengths and weaknesses of the different data sets. Task 4:Technical Report A technical report will be developed that documents the work performed for this scope of work. The technical report will provide the technical basis for the data compilation, hydrologic evaluations, and natural recharge assessments for the Kern County Subbasin and the surrounding watersheds. The Native Yield Study Technical Report will provide a concise discussion of the Native Yield Study results in a more general manner for an intended audience that includes local policymakers, stakeholders, and other interested parties. The more detailed technical documentation will be provided by the Tasks 1, 2 and 3 TMs that will be included in the Technical Report as attachments. Several subtasks for Task 4 are outlined below: PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 8 TODD GROUNDWATER DRAFT — Revision 2 • Subtask 4.1 - Finalize TMs as Report Attachments: The Task 1, 2 and 3 technical memos will be finalized by addressing comments. The finalized TMs will be included as attachments to the final technical report to provide detailed documentation of data, methodology and results for the Native Yield Study. • Subtask 4.2 - Draft Report: The draft Technical Report will focus on a discussion of the Native Yield Study results in a more user-friendly format for local decisionmakers. A summary of the data and analysis used for the study will be provided in the report with reference to the attached TMs. • Subtask 4.3 - Final Report: The draft technical report will be finalized by making revisions that address comments. For costing purposes, we assume that the draft technical report will require two draft versions. An Administrative Draft Technical Report will be prepared. Comments will be incorporated into a Draft Technical Report for stakeholder review and comments. The Final Technical Report will address final comments. Electronic submittal is assumed for each version. Task 5: Project Coordination and Meetings This task covers project coordination and meetings with the client and local stakeholders throughout the project. A high level of interaction with local water managers, policy makers and stakeholders are included in this task to allow for transparency in performing the analysis, to receive feedback on the methods, and to engage in discussion of the issues involved with developing a native yield. As demonstrated by the level of effort in this task, communication during the development of the Native Yield Study is a high priority. Several subtasks for Task 5 are outlined below: • Subtask 5.1-GSA Coordination and Water Manager Meetings:The Kern County Subbasin water managers have regular meetings to discuss water issues. We anticipate providing a series of update presentations on the progress of the Native Yield Study. Because the water managers experience, these meetings will also serve the role of a technical advisory committee to provide feedback to help improve the evaluations as they are underway. • Subtask 5.2-Policy Team Updates: Regular presentations to provide regular updates to the Kern County Subbasin Policy Team are included. We provide time and budget for technical support for multiple presentations to local policymakers to answer questions and obtain feedback from the policymakers regarding the Native Yield Study. • Subtask 5.3 - Stakeholder Workshops: A series of presentations to the local stakeholders are included. As key element of the project, we provide time and budget for technical support for multiple presentations to local stakeholders and policymakers as part of the stakeholder outreach process by the GSAs. It is assumed that these presentations will be provided in different locations in Kern County at different stages of the project. It is further anticipated that these events will be coordinated to minimize travel expenses. • Subtask 5.4-Project Coordination: Coordination with the client will include project planning, on- going communications, and project status updates. We assume that communication during the project will be conducted via emails, telephone and/or web meetings, if needed. In addition to attendance and travel to each of the meetings,the Task 5 budget includes preparation time for development of PowerPoint presentations and other meeting materials for each of meeting. Preparation also allows time for review of technical work and preparation for anticipated questions. PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 9 TODD GROUNDWATER DRAFT — Revision 2 Included in the subtasks is an initial set of meetings are anticipated to outline the general approach of the Native Study with local water managers, policy makers and stakeholders. The objective is to introduce the study and get initial feedback on data, methodology and objectives. Subsequent meetings will be scheduled and facilitated through the Kern County GSP Planning Coordinator. Task 6: Supplemental Technical Support Due to the importance and potential sensitivity of the Native Yield Study to the Kern County Subbasin GSAs and local stakeholders, it is anticipated that questions or concerns will arise during the course of the Study that will require us to revisit or expand upon work performed in Tasks 1 through 5. Task 6 provides a process to address and track these supplemental tasks that are currently undefined by defining a task that addresses these unresolved or emerging issues as they arise. Supplemental tasks are anticipated to include additional analysis, documentation or presentations that respond to specific questions or concerns from local water managers, policy makers and stakeholders. Subtasks for Task 6 are outlined below: • Subtask 6.1 - Supplemental Technical Analysis: As-needed supplemental technical support is intended to cover requests by local water managers, policy makers and stakeholders for supplemental technical analysis to address questions about the data and analysis to address new or unresolved questions or concerns about the technical analysis in Tasks 1, 2, and 3. • Subtask 6.2 — Supplemental Documentation and Communication: This subtask provides for additional time for increased documentation and communication in Tasks 4 and 5 to address issues that may emerge during the course of the Native Yield Study. For budgeting purposes, the level of effort is defined as ten percent of the associated task budgets. Use of the Task 6 budget will require approval by email from the Kern County Subbasin GSP Plan Manager. COST ESTIMATE The approach for the Native Yield Study is a comprehensive and detailed data analysis for the entire Kern County Subbasin. Our assumption is that we are building up the analysis from a comprehensive data compilation and analysis. This is to address questions and concerns about the native yield estimates from the 2020 GSPs. Our budget includes time for a comprehensive technical analysis under Tasks 1, 2,3 and 4. In addition, we have included a significant budget towards meetings and presentations with local water managers, policy makers and stakeholders under Task 5. Our assumption is that we will be requested to provide multiple presentations of the Native Yield Study over the course of the project. There may be opportunities for cost-savings by limiting the number of meetings,and/or shifting some of these meetings to videoconferences. In addition, the detailed analysis also serves a dual purpose, as the results of this study will also address planned revisions to the C2VSimFG-Kern model that are also listed as a management action by the KGA and other GSAs. A cost estimate summary is provided at the end of this text in Table 1 with a more detailed cost estimate in Table 2 (located following the text). As summarized on Tables 1 and 2, the subbasin water budget analysis is estimated to total $1,488,650. Costs include labor,fees,subconsultants and expenses for each project task. Todd Groundwater will track schedule and budget monthly. Invoices will clearly show team members, hours, costs, and progress on project tasks. A monthly progress report will be prepared for each invoice PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 10 TODD GROUNDWATER DRAFT — Revision 2 showing progress made during the month, next steps for the following billing cycle, and status of both schedule and budget. TABLE 1 — Kern County Subbasin Native Yield Study Budget Summary TASKS Estimated Hours ESTIMATED COST Task 1 Natural Hydrology Data Compilation and Mapping 436 $82,020 Task 2 Natural Hydrological Evaluation 1,926 $363,616 Task 3 Natural Groundwater Recharge Evaluation 2,072 $389,074 Task 4 Technical Report 834 $166,810 Task 5 Project Coordination and Meetings 1,710 $413,570 Task 6 As-Needed Supplemental Technical Support 348 $73,560 TOTAL 7,326 $1,488,650 SCHEDULE The Todd Groundwater Team can initiate the project within 30 days of the receipt of a notice-to-proceed. The total length of the project is anticipated to occur over 24 to 36 months. We anticipate the technical analysis (Tasks 1, 2, and 3) will be completed over a 16 to 24-month period from the notice-to-proceed. The schedule allows for considerable time for review and comment by local water managers, policy makers and stakeholders through multiple presentations and TMs so that feedback can be incorporated into the Study. However,the proposed schedule may provide opportunities to expedite the project. After the completion of the technical analysis (Tasks 1, 2, and 3), we plan to allow for 9 to 12 months to develop the draft and final Native Yield Study Technical Report (Task 4). This length of time allows for sufficient review by local water managers, policy makers and stakeholders of this important and sensitive report before it is finalized. We assume close coordination and cooperation with the Subbasin GSAs to meet this schedule. A key element of this Native Yield Study is the proposed series of meetings and workshops with workshop meetings with local water managers, policy makers and stakeholders (Task 5). These meetings and workshops will occur regularly over the entire duration of the project; however, the frequency of these meetings and workshops is anticipated to increase in the latter half of the projected schedule. It is during the latter half of the projected schedule that the Supplemental Tasks (Task 6) are anticipated to be more highly utilized to address issues and concerns that arise from these meetings. It is anticipated that the scheduling of these meeting and potential issues that may be raised will be a key factor in determining the timeline for the project schedule. Therefore, schedule flexibility is represented by the range of times for completion of tasks. PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 11 TODD GROUNDWATER DRAFT — Revision 2 C2V$IMFG-KERN MODEL RECALIBRATION The Kern County Subbasin Coordination Agreement refers to the local groundwater-surface water model (C2VSimFG-Kern) as the agreed upon method for generating coordinated water budgets for the Kern County Subbasin. Appendices 2 and 4 of the Kern County Subbasin Coordination Agreement include a technical report on the development and application of C2VSimFG-Kern for these purposes. To support the Kern County Subbasin Groundwater Sustainability Plans (GSPs)that were submitted in January 2020, DWR's C2VSimFG-Beta model with locally-derived historical data for the Kern County subbasin to better represent local water conditions. Historical surface water diversion, water bank recharge and water bank withdrawal information were collected from local GSAs, management areas, water agencies and purveyors. Because the model update was done concurrently with the development of the Kern County GSPs, DWR's existing hydrogeologic conceptual model and data management structure were maintained in C2VSimFG-Kern. This was done to focus the modeling effort for the 2020 GSPs on updating the water budgets and in anticipation that improvements in the hydrogeologic conceptual model and other relevant data would be advanced during the GSP process. Therefore, the next step in the water budget analysis is to begin to address the data gaps and other model improvements identified during the GSP process that were recommended for future C2VSimFG-Kern updates. BACKGROUND During the time that the Subbasin was evaluating various modeling alternatives, DWR was in the process of updating the regional C2VSim model through water year(WY) 2015. In addition, the GSP regulations stated that DWR would provide the C2VSim model "for use by Agencies in developing the water budget." DWR's 2018 release of C2VSimFG-Beta includes historical input data for WY1922 to WY2015. C2VSimFG-Beta includes historical precipitation, stream inflow, land use and crop acreage for the entire Central Valley. These data include monthly precipitation and annual land use for each model element and estimated monthly evapotranspiration for each modeled land use type and agricultural crop. Historical surface water data include monthly surface water inflow for each river entering the model boundary and monthly surface water diversions and deliveries. Todd Groundwater was contracted to modify DWR's C2VSimFG-Beta model with locally-derived historical data for the Kern County subbasin to better represent local water conditions. Historical surface water diversion, water bank recharge and water bank withdrawal information were collected from local GSAs, management areas,water agencies and purveyors. Urban land use was restricted to developed areas, and urban populations and per-capita water demands were updated. Model structure (elements, streams, stratigraphy, etc.)was not modified. Model parameters were not calibrated, although some model parameters were adjusted to improve model performance in specific geographic areas. The C2VSimFG-Kern performs well in the Kern County Subbasin, producing simulated water budget components that generally match historical values compiled by local agencies. C2VSimFG-Kern simulated groundwater levels provide a reasonable approximation of observed groundwater levels in the central part of the Kern County Subbasin. The model is well suited for estimating the impacts of management actions on the Subbasin groundwater storage and is also well suited as a planning tool in meeting compliance of SGMA. During the model update, several outstanding issues were identified that PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 12 TODD GROUNDWATER DRAFT — Revision 2 should be addressed in future updates to C2VSimFG-Kern. The following actions and model improvements are recommended: • Improve streamflow simulations of the Kern River and Poso Creek • Improve the geologic and hydrogeologic conceptual model of the Kern County portion of the Central Valley • Simulation of deep percolation and small watersheds • Root Zone Parameters • Investigate development of a stand-alone Kern County Subbasin model • Adjust the finite element grid to honor water management boundaries • Quantify boundary flows around the Kern County Subbasin Boundary • Utilize more complex water management features of IWFM. • Calibrate the improved model for the Kern County Subbasin. The following scope of work outlines the tasks and level of effort necessary to update the C2VSimFG- Kern model used for the 2020 GSPs and Annual Report based on the recommendations listed in the Model Report included as Appendices 2 and 4 of the Kern County Subbasin Coordination Agreement. The list of recommendations from the Model Report is provided as an attachment. MODEL RECALIBRATION APPROACH C2VSimFG-Kern is a regional planning model designed to support SGMA compliance through a consistent basin-wide approach for evaluating groundwater and surface water conditions for the Kern County Subbasin. C2VSimFG-Kern is not intended to supersede any local model but rather to represent local model data in assessing the basin-wide conditions. However, through this process C2VSimFG-Kern may provide modeling support for areas that do not otherwise have a local model available. Our approach focuses on sequencing of work in a stepwise, systematic manner. As part of this approach,the IWFM model would be functional after the completion of each task. We have included— as a quality assurance process—to run the model simulation during each subtask and verify the model results at the calibration targets to verify that model input parameters are performing as expected. This process will help to identify any model setup issues during each subtask so that they can be appropriately addressed. Therefore, at the end of this process, we can proceed directly to the final calibration task to avoid potential schedule delays. The model upgrade includes incorporating data from available local models as a method to maintain consistency of modeling approaches in the Subbasin. Local models will, however, contain local scale data pertinent to local conditions and the overall purpose of that model. As a regional planning model, data from local models would be "scaled-up" to provide input to C2VSimFG-Kern at the regional-scale. During the model update, two versions of the model will be maintained. One version of the model (Production Model)will stay consistent with the 2020 GSP version of the model to provide consistent water budget and change in storage results for Annual Reports. The second version of the model (Developmental Model) will include the in-progress model upgrades where water budgets and change in storage may be variable as new features and data are incorporated. It is preferable for the Kern County Subbasin GSAs to continue to present a consistent set of water budget results in the Annual Report while the model upgrades are being implemented. This will avoid having to explain ongoing water budget changes in the Annual Reports. Once the Developmental Model is fully calibrated and agreed to PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 13 TODD GROUNDWATER DRAFT — Revision 2 by the Kern County Subbasin GSAS, revised water budgets, change in storage and sustainable yields can be simulated in the future. The C2VSimFG-Kern model will be updated for White Wolf Subbasin concurrently with the Kern County Subbasin. This will require coordination with the White Wolf GSA; however, it is anticipated that the Kern County Subbasin GSAS and the White Wolf GSA will continue to maintain independent versions of the model. PROPOSED SCOPE OF SERVICES The following discussion provides additional details on our approach including some initial recommendations on addressing model update objectives and issues. As initial recommendations, we understand that we will work with the TAC on defining the final model upgrade tasks for implementation. Task 1—Northern Kern County Subbasin Boundary Modification For Task 1, the focus is on how to represent the areas outside of Kern County in future simulations with the focus on the northern Kern County Subbasin boundary and whether to include the areas beyond this boundary in the model. The key objectives Task 1 include the following: • Coordinate with adjacent Groundwater Basins to better quantify boundary flow simulations based on shared data with GSAS in adjacent basins. • Develop a stand-alone Kern County Subbasin model to provide a more-efficient platform focused on Kern County conditions and data. Our proposed scope of work to complete the Task 1 is described below. • Subtask 1.1—Develop Kern County Subbasin Focused Model -To develop the Kern County Subbasin focused version of the model, all of the elements north of the boundary condition would be removed from the model input files. • Subtask 1.2—Coordinate with Adjacent SGMA Basins-A key part of this scope of work is to coordinate with GSAS in neighboring groundwater subbasins to the north—the Tulare Lake and Tule subbasins—to obtain groundwater level data and simulation results to help in defining the northern boundary condition. Since both of the northern adjacent subbasins have groundwater models to forecast their projected-future groundwater conditions, the exchange of data will include results from the various models. It is anticipated that the GSAS in neighboring groundwater basins will request similar data sets from the Kern County Subbasin. The modeling team will work with the Kern County Subbasin GSA representatives on this coordination process. • Subtask 1.3—Implement and Validate Northern Boundary- For Task 3, an initial assessment of the measured and simulated groundwater levels will be made to define a northern boundary condition to simulate the transition of groundwater conditions in the Kern County Subbasin with the neighboring subbasins to the north. These will be further assessed by comparing them with the simulated groundwater levels from C2VSimFG-Kern for both the historical and projected future simulations. These preliminary boundary conditions will be further developed during future model updates. This new northern boundary will be implemented into the Developmental Model. The developmental model will be run with the northern boundary condition using historical and projected future scenarios.Task 3 also includes post-processing of PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAS 14 TODD GROUNDWATER DRAFT — Revision 2 the scenario results to provide the necessary tables, graphs and maps to sufficiently validate the model modifications. Task 2— Refine Model Grid The C2VSimFG-Kern finite element grid developed by DWR is not well optimized for evaluating conditions in Kern County and may be a limiting factor in implementing the planned model upgrades. The approach for modifying the C2VSimFG-Kern finite element grid is to prioritize the key hydrologic features and water management boundaries that should be considered. Topics to be included in the prioritization are anticipated to include the following: • Align grid with surface water features such as rivers, major creek, and major canals. • Align grid with water management boundaries, urban areas and major riparian or groundwater dependent ecosystem locations. • Prioritize element density to be highest in high stress locations such as wellfield and banking operations. • Define a maximum element size for irrigated agricultural areas. • Apply larger elements over undeveloped areas. • Consider grid alignment for simulation of the four principal aquifers. • Identify and address problematic areas such as oilfield exempt aquifers, etc. Modification of the finite element grid is a time-consuming process;therefore, it is assumed that the finite element grid will be finalized during Task 2 and no further modifications of the grid will be conducted in later tasks of the model upgrade. • Subtask 2.1 Generate Revised Mode Grid-Once the prioritization of the finite element grid modification with the TAC is decided, a modified grid will be developed. Finite grid generation software will be used to map the elements and nodes to the appropriate geographic locations based on the prioritization. The finite element grid will be mapped using ArcMap GIS for review and comment by the TAC. A draft grid will be presented at a Manager's Committee meeting. • Subtask 2.2 Remap Model Parameters to New Grid - model input data will be remapped to the revised finite element grid. This process will include update the data management which provides the added benefit of supporting the Task 3 and 4 as well. The model input file data will be verified to the Task 1 model. The Task 2 Developmental Model will be run to validate that the results are comparable with the with the 2020 GSP for the Annual Report results to further ensure consistency in water budget results due to finite element grid modification. Task 3— Update Surface Water Management During the C2VSimFG-Kern modeling for the 2020 GSPs, several agencies noted some inconsistencies in the application or results of the managed water supply and demand. These were noted as limitations in the 2020 C2VSimFG-Kern Model Report that would be addressed in future model updates. The key objectives of Task 3 Model Upgrades include the following: • Improve simulation of rivers to better represent streamflow of the Kern River and Poso Creek. • More fully utilize the water management simulation features of IWFM to provide increased accuracy of water supply, distribution and demands. • Remap the areal distribution land use including agricultural, urban, riparian and native. PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 15 TODD GROUNDWATER DRAFT — Revision 2 • Update root zone and agricultural parameters to better simulate deep percolation and small watershed inflows. The Modeling Team will prioritize the IWFM features for streams and the IWFM Demand Calculator (IDC)functions that should be adjusted. It is anticipated that the focus will be on those that have the most significant impact on the water budget. These will be coordinated with similar activities being performed as part of the Native Yield Study. • Subtask 3.1-Redefine Simulated Rivers- Flows in the Kern River channel, including local stream-groundwater interactions, are not well replicated and surface water diversions are not dynamically simulated. Some rejected recharge occurs in the Kern Fan area in very wet years, with significant outflow of groundwater to the Kern River especially in the Kern Fan banking area (i.e., rejected recharge). One key issue is the selection of the stream simulation options that DWR applied that did not accommodate streambed conductance varied as a function of stage but did not considered the width, or wetted perimeter, of the stream. This approach works for northern California streams, but is not sufficient for simulating the highly variable flows that occur on the Kern River and Poso Creek. This one of the key reasons to develop a Kern-only model since the streambed approach applies to the entire model. To address this, the stream simulation options will be changed to a more appropriate streamflow simulation option that is available in IWFM. • Subtask 3.2 - Update Urban Water Management Parameters: Update urban water supply and demand components of the model with emphasis on disadvantaged communities, small water systems, Industrial and domestic water data. • Subtask 3.3-Update C2VSimFG-Kern with Native Yield Study Data: The data used for the Native Yield Study will be incorporated into the C2VSimFG-Kern model for the small watershed and root zone modules. This will focus on the IWFM Demand Calculator (IDC) function in the model, and include update for the soil, root zone and agricultural parameters to better simulate deep percolation and small watershed inflows. The Task 3 Developmental Model will be run to validate that the results are comparable with the with the 2020 GSP for the Annual Report results to evaluate the resulting changes in water budget results due to the Task 3 modifications. Task 4— Update Hydrogeological Conceptual Model Task 4 includes updates to the Hydrogeologic Conceptual Model (HCM)to better represent local geologic and hydrogeologic conditions. Due to the number of modifications that were required to the HCM and aquifer parameters during the C2VSimFG-Kern development, it is recommended that a more rigorous and systematic model update be conducted that will make the HCM and aquifer parameters more consistent with the Kern County Subbasin GSPs. In addition, further calibration of C2VSimFG-Kern is recommended to revise aquifer parameters in the Kern County Subbasin. HCM work will be done by GSAs and MAs with Todd Groundwater providing compilation services to link these together. Issues to be reconciled will be passed back to the appropriate GSAs and MAs. In order to improve the representation of the HCM in the C2VSimFG-Kern model, the following tasks are proposed: PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 16 TODD GROUNDWATER DRAFT — Revision 2 • Subtask 4.1-Compile and review model aquifer parameters: Aquifer property information will be compiled from the 2020 GSPs and available groundwater models. These will be reviewed and tabulated to define the spatial distribution and variation of model aquifer parameters. • Subtask 4.2- Update Principal Aquifer Layer Definitions: Modify the model layer elevations to better align with the geometry from detailed geologic and HCMs in the Kern County Subbasin GSPs, other technical studies and local groundwater models. Differentiate the four Principal Aquifers that have been identified in the Kern County Subbasin based on definitions from local management area GSPs and supporting data. • Subtask 4.3 - Incorporate key natural features that affect groundwater flow: Identify the locations and characteristics of natural features that affect groundwater recharge and movement (faults, ridges, clays). This includes representation of exempt aquifers that may affect the definition of the accepted horizontal and vertical bounds of the Kern County Subbasin as presented in the 2020 GSPs. It is assumed that the development of the key local conditions will be done by GSAs and MAs. The Modeling Team will compile the HCM data and work to link these together. If information and maps are inconsistent across the Subbasin, specific issues will be identified for reconciliation by the appropriate GSAs and MAs. Task 5—C2VSirnFG-Kern Recalibration During the calibration process,the aquifer properties and boundary conditions will be varied within an acceptable range until the closest fit of the simulated versus measured groundwater elevation data is achieved. Because there are multiple combinations of aquifer properties and boundary conditions that can be used to match a single set of groundwater elevation data, it is important to calibrate the model over a long historical period that contains varying hydrologic conditions and thereby to demonstrate that the model has the capability of simulating historical changes in groundwater elevations and surface water flows in the Basin. Localized areas can be further calibrated by evaluating short term conditions related to multi-day aquifer pumping tests. The C2VSimFG-Kern model calibration will be performed using data from the Native Yield Study. The Native Yield Study provides a dual function of revising the C2VSimFG-Kern model that will be performed in Subtask 4.3. Following the update,the historical and projected future baseline scenarios will be rerun. This tasks primarily serves as a validation step to check that the results can be reproduced using the revised model. This will be conducted concurrently with the Native Yield Study, so any issues found in the model calibration can be addressed. • Subtask 5.1 - Recalibration of C2VSimFG-Kern Model: Model calibration will consist of history- matching of simulated versus measured groundwater elevation data. Calibration will be performed by comparing simulated versus measured groundwater elevation data. Long-term historical calibration conducted over the 1994 to 2024 simulation period that includes wet, dry, and normal years with varying degrees of pumping. Calibrating the model over a long period of variable hydrologic conditions constrains the calibration to reduce uncertainty. Assessment of calibration will be performed by using a series of metrics to evaluate the calibration results including a statistical analysis of simulated to measured groundwater levels, hydrograph trends, and groundwater gradients. • Task 5.2-Generate revised historical water budgets: We will use the IWFM Z-Budget feature to develop the subbasin water budgets from the revised C2VSim.The water budgets will PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 17 TODD GROUNDWATER DRAFT — Revision 2 quantify the required elements required for SGMA including simulation results for subsurface inflows and outflows, managed aquifer recharge and irrigation pumping and return flows. • Task 5.3—Sensitivity Analysis: The model provides a platform to vary parameters used to assess the relative sensitivity of variations in the data on the model results. The model sensitivity analysis will be done to screen for the most sensitive parameters. This will also support the Native Yield Study. • Task 5.4—Update SGMA Projected-Future Scenarios: The projected future baseline scenarios will be rerun using the updated C2VSimFG-Kern model. Projected future water budgets for the Kern County Subbasin will be developed to evaluate the performance of proposed management actions with respect to achieving groundwater sustainability. Based on these results, participating agencies will be asked to provide updated lists of projected future management actions to be implemented by WY2040.The updated model results will be compared to the 2020 GSP model results as a validation step in assessing calibration. The results of Task 5 will produce an updated historical water budget and change in groundwater in storage estimates for the Kern County Subbasin in preparation of the 2025 GSP updates. These results can be applied for developing updated sustainable and native yield estimates as well. The emphasis is to better represent local groundwater conditions including representation of water levels in the four principal aquifers and higher accuracy in simulating changes in groundwater levels over time. Final updates for the projected-future scenarios are not part of this scope of work, and will be performed as part of the scope of work to support the 2025 GSP development.That is because the final projected future model updates will depend upon input from the Kern County Subbasin GSAs that will include their updated lists of projected future management actions to be implemented by WY2040 based on their 2025 GSP updates. For the 2025 GSP Updates,the projected future water budgets for the Kern County Subbasin will be developed using the recalibrated model to evaluate the performance of proposed management actions with respect to achieving groundwater sustainability. Task 6—Technical Report A technical report will be developed that documents the work performed for the model recalibration.The technical report will provide the technical basis for setting up the baseline, documenting the model results, and developing the projected water budgets. The modeling results and water budgets produced for the Technical Report will be consistent with DWR's SGMA guidelines and BMPs. It is anticipated that this report will provide sufficient compliance for all GSAs in the subbasin for the GSP requirements of current and historical water budgets.The following subtasks are included in Task 6. • Subtask 6.1 — Draft Technical Report: For costing purposes, we assume that the draft technical report will require two draft versions. An Administrative Draft Technical Report will be prepared for stakeholder review and comments. Comments will be incorporated into a Draft Technical Report. Electronic submittal is assumed for both versions. • Subtask 6.2—Final Technical Report:The Final Technical Report will address final comments and will be submitted to the GSAs for GSP supporting documentation. For costing purposes, we assume an electronic delivery for the Final Technical Report. Task 5 supports the modeling and basin-wide water budget requirements for the 2025 GSP updates by developing the projected future baseline and climate changes water budgets as required by the GSP regulations and consistent with DWR guidance. Projected future water budgets will be run for Baseline PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 18 TODD GROUNDWATER DRAFT — Revision 2 conditions and Climate Conditions over the 50-year planning and implementation horizon. These scenario models provide a basis of comparison for evaluating proposed sustainability management actions and projects over the SGMA planning and implementation horizon. Task 7: Project Coordination and Communication This task covers project coordination with the client throughout the project. Coordination will include project planning, on-going communications and project status updates. We assume that communication during the project will be conducted via emails,telephone and web meetings. • Subtask 7.1 — GSA Coordination and Water Manager Meetings: Several project updates (via conference call) and three workshops are included in the scope of work over the duration of the project to keep KRGSA and other Kern County Subbasin GSAs up-to-date on the modeling process. We believe that this effort will support the overall transparency of the modeling efforts and help to achieve acceptance of the results to keep the GSPs on schedule to meet GSP deadlines. • Subtask 7.2 — Project Coordination: This task covers project coordination with the client throughout the project. Coordination will include project planning,on-going communications and project status updates. We assume that communication during the project will be conducted via emails, telephone and/or web meetings, if needed. Todd Groundwater will track schedule and budget monthly. Invoices will clearly show team members, hours, costs, and progress on project tasks.A monthly progress report will be prepared for each invoice showing progress made during the month, next steps for the following billing cycle, and status of both schedule and budget. MODEL RECALIBRATION COST ESTIMATE AND SCHEDULE A cost estimate summary to complete the proposed C2VSimFG-Kern model recalibration is provided at the end of this text in Table 3 with a more detailed cost estimate in Table 4 (located following the text). As summarized on Tables 3 and 4, the subbasin water budget analysis is estimated to total $799,610. Costs include labor,fees, subconsultants and expenses for each project task. Todd Groundwater will track schedule and budget monthly. Invoices will clearly show team members, hours, costs, and progress on project tasks. A monthly progress report will be prepared for each invoice showing progress made during the month, next steps for the following billing cycle, and status of both schedule and budget. TABLE 3 —Kern County Subbasin Model Recalibration Budget Summary TASKS Estimated ESTIMATED Hours COST Task 1 Modify Northern Kern County Subbasin Boundary 256 $50,760 Task 2 Refine Model Grid 384 $66,680 Task 3 Update Surface Water Management 660 $125,660 Task 4 Update Hydrogeological Conceptual Model 898 $170,710 Task 5 C2VSimFG-Kern Recalibration 980 $190,820 Task 6 Technical Report 576 $113,020 Task 7 Project Coordination and Meetings 356 $81,960 TOTAL 4,110 $799,610 PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 19 TODD GROUNDWATER DRAFT — Revision 2 The proposed schedule outlines the time needed to conduct the work and to allow sufficient time for water managers and stakeholders to review and comment on model upgrades. The schedule assumes that Task 1 would begin in late 2021 and that the phased approach would follow in a consistent manner over the period. This is designed to allow sufficient time to improve C2VSimFG-Kern in time for use in development of the 2025 GSP Updates. The schedule will also be coordinated with the accompanying Native Yield Study where key model input parameters will be developed. The schedule also allows time for key management actions to address data gaps to evolve during the period so that additional data are available for the model upgrade. It is assumed that the work of the Modeling Team is primarily focused on incorporating data for the Model Upgrade. It is assumed that the Modeling Team will rely on data provided by the local GSAs and MAs so that the Model Upgrade is consistent with the data and interpretations presented in the GSPs for their areas. PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 20 TODD GROUNDWATER DRAFT — Revision 2 KEY PROJECT TEAM PERSONNEL Todd Groundwater is a consulting firm specializing in groundwater studies, including evaluation, monitoring, modeling, management, and protection of groundwater resources.Our firm was founded in 1978 by Dr. David Keith Groundwater Todd, internationally recognized expert in groundwater and author of theHydrology textbook, Groundwater Hydrology. Todd Groundwater's professional staff members have advanced degrees in civil engineering, geology, hydrogeology, geochemistry, geography, and environmental sciences. All senior geologists and engineers are professionally registered in California and all senior geologists also are certified hydrogeologists. While providing the breadth of training and experience needed for groundwater planning, management, development, and protection, we have remained a small firm to provide specialized and responsive groundwater services to our clients. Todd Groundwater provides its clients with reliable and consistent service from a cohesive team. Based in Alameda, Todd Groundwater provides consulting services throughout California, with numerous clients in the Central Valley and Kern County. Our focus is groundwater, with most of our work conducted for California public agencies: water agencies, cities, and counties. We provide the full range of groundwater services with a focus on groundwater basin management, particularly compliance with the Sustainable Groundwater Management Act (SGMA). Todd Groundwater is pleased to offer an experienced team for the Native Yield Study and C2VSimFG-Kern Recalibration. The leaders of the Project Team include the following: • Phyllis Stanin will serve as the Principal-In-Charge and will be responsible for overseeing the Todd Groundwater team performance to ensure responsive service during the course of this project. Phyllis has a long-history of supporting a wide range of projects in the Kern County Subbasin. • Mike Maley will serve as Project Manager. He has 30 years of hydrogeological and groundwater modeling experience. As the Project Manager and Lead Modeler for development of the C2VSimFG-Kern integrated surface water/groundwater model, Mike offers brings a unique knowledge and understanding of all of the Subbasin-wide surface water and groundwater data sets necessary for developing the Native Yield Study. The project leaders will be assisted by Todd Groundwater staff with specialized groundwater modeling and GIS experience, as needed. Additional administrative staff will provide with graphics and administrative support.We have identified some key subconsultants that bring valuable local and subject expertise to support this project that are listed in the following project team biographies. In addition,we have added time for collaboration with DWR, USGS California Water Science Center and local universities on our technical approach. Todd Groundwater may utilize additional subconsultants or contract employees that bring additional local and subject expertise that is considered beneficial to the successful completion of this project. Todd Groundwater will coordinate with the GSP Plan Manager prior to incorporating subconsultants into the project. Todd Groundwater proposes a selected team, who bring groundwater basin management experience, SGMA expertise, requisite technical skills, knowledge of the Kern County Groundwater Subbasin, and understanding of Kern County groundwater users. Leaders of the Project Team from Todd Groundwater and Hydrolytics LLC are described below. More detailed resumes of key personnel can be provided upon request. PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 21 TODD GROUNDWATER DRAFT — Revision 2 Phyllis Stanin, PG, CEG, CHG, Principal in Charge ® Phyllis Stanin, Vice President and Principal Geologist will serve as Principal in fCharge.She has been a professional geologist for more than 35 years with expertise in hydrogeology and groundwater basin management.She has prepared numerous .: groundwater management plans and several groundwater sustainability plans — including in the Kern County Subbasin and other subbasins in the San Joaquin Valley. She has had the opportunity to work with many of the Subbasin managers in the Kern County Subbasin and has worked with several of the DWR SGMA staff for many years. As such, she is highly qualified to provide overall guidance for this important project. She also serves as the Watermaster Engineer for the Antelope Valley Watermaster and has provided key technical guidance to establishment of rules, regulations,and procedures as the Basin implements the adjudication and Final Judgment. She has also managed water resource monitoring, tracking of groundwater production, meter specifications, well permitting, documentation of groundwater quality, database development, and annual reporting for the Watermaster. Michael Maley, PE, PG, CHG, CEG, Project Manager Mike Maley, Senior Hydrogeologist, will serve as Project Manager and Technical Leader. Mike is both a licensed professional geologist and civil engineer with more than 30 years of experience in water resources and environmental projects, with expertise in numerical modeling and handling large data sets. He is an experienced project manager who has successfully managed large, complex projects. He has also supported grant management by public agencies by providing clear project summaries and other supporting data to meet DWR requirements. Mike has extensive Kern County Subbasin experience through his work with local agencies in developing the SGMA subbasin model (C2VSimFG-Kern), preparing GSPs, developing the WY2019 Annual Report and conducting groundwater analyses for local groundwater projects. Mike has developed a strong working relationships with all of the key Project Team staff over the past 15 years that will facilitate project coordination. As Project Manager, Mike will serve as the primary point of contact with the Kern County Planning Coordinator and GSA member agencies. He will be responsible for communicating project status, overseeing the execution of the work, schedule, and budget, participating in public meetings, and coordinating team efforts. PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 22 TODD GROUNDWATER DRAFT — Revision 2 Eugene B. (Gus) Yates, PG, CHG, Senior Hydrologist Gus Yates is an accomplished hydrogeologist and water resources expert. His 30 years of experience—initially with the USGS and also as a consulting hydrogeologist—has been science-based and focused on projects that require critical thinking skills and the application of hydrologic principles and methods. Mr. Yates brings substantial experience with GWMPs and GSPs, including surface water/GDE assessments and application of numerical models. He was primary author of the original GWMP for San Benito County Water District and is a key contributor to the North San Benito Basin GSP with responsibility for identification of interconnected surface water and GDEs and for update and expansion of the basin-wide numerical model, which is being applied to evaluate groundwater budgets (including inter-basin flow and future climate change) and sustainability criteria. He has been project manager, numerical modeler, and primary author of the Arroyo Seco GSP. Mr. Yates also brings considerable knowledge of Southern California hydrology including surface water modeling and groundwater-surface water interactions assessments for three recent GSPs in Riverside County. Charles F. Brush, PhD, PE, Groundwater Modeler (Hydrolytics, LLC) Dr. Brush has 23 years of comprehensive civil engineering experience in both the public and private sectors. During his 20 years with the USGS and California Department of Water Resources (DWR), Dr. Brush developed several groundwater flow models and integrated hydrologic models using the IWFM and MODFLOW applications. Dr. Brush was the principal developer of DWR's California Central Valley Groundwater-Surface Water Simulation Model (C2VSim). Dr. Brush's private sector work has included supporting DWR in updating the C2VSim model, working with local stakeholders in Kern, Colusa and Tehama Counties to update local portions of the C2VSim model for use in GSP development, and assisting in the development and calibration of other Central Valley models. Dr. Brush has completed numerous hydrologic modeling studies including Central Valley water use under climate change, streamflow impacts of groundwater pumping and water transfers, and economic impacts of water shortages. Dr. Brush has also conducted technical reviews of numerous models, including the USGS Central Valley Hydrologic Model (CVHM) and MODFLOW FARM Package. Dr. Brush has served on advisory committees, including the Groundwater Resources Association Technical Advisory Committee (GRA TAC) and Northern Sacramento Valley Technical Advisory Committee. Dr. Brush recently led the GRA TAC's review of DWR's draft 2020 California Groundwater report (Bulletin 118). Dr. Brush's expertise in software applications includes MODFLOW, IWFM/IDC, PEST, ArcMap and python. PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 23 TODD GROUNDWATER DRAFT — Revision 2 Thomas Watson, PE, Principal Geologist (Aquilogic) Tom Watson has over 35 years of experience with an emphasis on complex groundwater investigations, environmental regulatory negotiations, and conjunctive water reuse strategies. Tom is a licensed California Professional Geologist (PG) and is licensed as a California Engineering Contractor ("A" license). Tom leads Aquilogic company initiatives in water reuse and conjunctive use, marginal groundwater development, and water issues facing municipal clients. Tom is assisting several clients in Kern County with the development of a Chapter Groundwater Sustainability Plan (GSP)for the Westside Water Districts.Tom is also assisting the largest oil and natural gas producer by acreage in the State with an assessment of produced oil field water for disposal and beneficial reuse. In Kings County, Tom is working on the design, siting, and construction of a new water supply well to support oil field operations. In eastern San Diego County, Tom is assisting a key stakeholder in assessing technical issues related to a basin-wide groundwater flow model and the development of a GSP to establish the sustainable yield and set preliminary groundwater pumping allocations. Maureen Reilly, PE: Project Engineer Maureen Reilly has 15 years of experience in groundwater, environmental, and information systems projects. She is experienced in analytical and semi-analytical groundwater modeling programs, numerical methods, water quality analysis, monitoring, data management, and reporting in the context of groundwater basin management, including compliance with the Sustainable Groundwater Management Act (SGMA). She has served as the lead data manager and analyst for the Kern River GSA. She processed the METRIC and other data for the C2VSim Update. For the Kern Fan Model, she built the database. developed model input files, completed the final model calibration and ran project scenarios. She is a Professional Engineer with over 15 years of experience with analytical and numerical groundwater models. Brent M.Johnson, PG,Associate Geologist Brent Johnson is an Associate Geologist with more than eight years of experience as a consulting geologist. He has experience working on the preparation of multiple Groundwater Sustainability Plans (GSP) in Riverside County and the Central Valley. ' He was responsible developing lithologic and geospatial information for a GIS database. The data were used to determine final alignment of cross section transects that would provide the highest resolution of subsurface conditions. Mr. Johnson then generated geologic cross section for the basin based on surficial geology, lithologic data, existing fault datasets. The cross sections served as were incorporated into the hydrogeologic conceptual model. In addition, he has extensive field experience that includes soil and groundwater sample collection, well drilling oversight, design and construction; and groundwater level monitoring. In addition, he is skilled in data management and water quality analysis. PROPOSAL - Native Yield Study and C2VSimFG-Kern Recalibration Kern County Subbasin GSAs 24 TODD GROUNDWATER DRAFT — Revision 2 Nicole Grimm, MS, Staff Hydrogeologist Nicole Grimm has worked on projects focused on drinking water, stormwater, and 41 groundwater. From these projects she has gained experience in laboratory testing, data collection and analysis, water quality monitoring and analysis, mapping in Geographic Information Systems (GIS), and isotope hydrology for water budget analysis. She worked with the Groundwater Sustainability Agency (GSA) in Butte County with their Groundwater Sustainability Plan (GSP) for the Sustainable Groundwater Management Act(SGMA). She analyzed the stable isotopes of water and noble gas recharge temperature to gain information on aquifer recharge sources for flow patterns. She compared the results to independently computed residence times from the Integrated Water Flow Model (IWFM). Mike Wottrich, GIS and Database Analyst ' ■ Mike Wottrich employs a data-driven approach to providing a variety of geographic information, database management, and infographic services. His experience includes the production and maintenance of various tabular and graphic representations for reports, presentations, and exhibits. He has advanced skills with various data-driven software like ArcGIS Desktop, SQL Server Management Studio, EVS and other specialized software to aid the production of high-quality maps and infographics. He also has extensive experience with the automation of complex and/or repetitive tasks to help with the standardization of data input and output processes using software including Visual Studio and FME. As Graphics Coordinator, Mr. Wottrich is also responsible for final QA/QC of all Todd Groundwater graphics. In addition to his technical skills, he also provides a keen sense of design. 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( § )§)! }k?i?§ ){ ) Ln IS §!_) \!; ! !� � ! ) June 8,2021 DK Nath,P.E. Senior Oil& Gas Engineer Oversight& Technology Inland District California Department of Conservation Geologic Energy Management 11000 River Run Blvd. Bakersfield, CA 93311 T: (661)334-4616 M: (661666-8569 E. Dhirendra.Nathgconservation.ca.gov RE: Olcese Aquifer Exemption—Round Mountain Oil Meld Dear Mr.Nath, Thank you for the opportunity to address the Olcese Aquifer Exemption in the Round Mountain Oil Field. The proposed aquifer exemption includes a portion of the Kern County Groundwater Subbasin as defined by the Groundwater Sustainability Agencies (GSAs) in their Groundwater Sustainability Plans with authority under the Sustainable Groundwater Management Act(SGMA).We,the signees of this letter,have concerns about this aquifer exemption as follows: • California Public Resource Code Section 3131 subdivision (a)(2) states, "The injection of fluids will not adversely affect the quality of water that is, or may reasonably be,used for any beneficial use o This aquifer is used for irrigation water and potentially potable water by Groundwater Sustainability Agencies ("GSAs"), Olcese GSA, Kern River GSA Kern Groundwater Authority GSA. None are comfortable with exempting this aquifer for wastewater injection. • We do not agree with the last sentence in Section 3 of the Olcese Aquifer Exemption Application as submitted by Longbow, LLC which states, "No water wells are located in the area and zone proposed for exemption(Figure 7)". o Exhibit A and B attached show maps of the area and contain information about wells within the proposed project(map of the proposed project area attached as Exhibit C). o Olcese GSA has irrigation wells in this zone (Upper Olcese Sand)and is located less than 2 miles from this proposed activity. • We generally think that the water in the Upper Olcese Sand is being extracted for beneficial use and has potential to continue to do so for the foreseeable future. We appreciate your consideration in this matter and respectfully request that you deny this application. Sincerely, Kern Groundwater Authority Dan Waterhouse,Chairman KERN GROUNDWATER AUTHORITY Kern River Groundwater A cy Rodney Palla, Chairman Olcese Groundwater Sustainability Agency James L.Nickel,Chairman OLCESE GROUNDWATER SUSTAINABILITY AGENCY Ili GAMA C/fI P r &dFOMMTOMS= A WrderBO=.& rt r r� .rte.-:�� •�u �_ � _� - tet• _ �. � � ,'a � � <* �, r` - - r " 4 I CI;Fltcer.�' ,elect a GIS Layv � G'+cmicnl: Any ChCW-1 .. ._�. ._ MPATASUMIAARY I. Aa Yeo= weaceew r _ oc6v d CfemCr;la QManIdPPE 4C4TIOK"i FQGN[I Lrdrni%tttenI1ndu:i1N c5Iwotar&'poy.mff . - - QTWrL - I �}MongarUuj 6t'w4.t,•.. Vtw[1L-. 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GooBaso,IGN.Kadaslor NL,Ordnonco Survey,EsrWapan,METI.EsfI China(Hong Kong),(c) OpenStreatMop coatrloutars.and Iho GIS User Community Aquifer Exemption City of Bakersfield Kern Groundwater Authority PROVOST& _ Oil Field Boundary Otcose Wafer District Aquifer p PRITCHARD a oao q er Exem tion Review -I 1 KGA GSA-Non Districted land Overview Map 5728l2o2a; :U(om roundsvalcrAvlhonry-2720@72o2oaol-2G2a Mgmtsv wowao Glsvaapcvow AgRcr ampuorky5.mxd- Fxr�r�srT �5C rr i 32 3 34 .n zz - _ t �. 3 air 9 8 10 Sourcda E;ri HERE G:1r>��gJ{{dimap,;fnecertt�iifPCqrp.QEadQ.'U§GS.FAO.NPS,NRCAN, Gnaease,IGN.:K d°stCr`�IL."C�laarsec 9ulugy lRsil Ugpaq,ME lj(Z3rCChl°°(Hong Kong),fdi OpQnS1ta91M7p ronglbutgrM1nnmltl�GtS PfS,Qf:G01n1�>,ti�jly Aquifer Exemption Oloeso GSA Kern Groundwater Authority PROOVO�ST& Oil Field Boundary F KR OSA-Pending Aquifer Exemption Review PRITCHAR© " ° oo i ®KGA GSA-Pending Overview Map krW1020;O.U.CrauirdwatarAurhaMy-272°1272°'100°7-020 momlbervl[0s41oo43iWapwwlow_AquirerFxampaoo v mxd oilWACalifornia's Statewide Airborne Electromagnetic (AEM) Surveys 3 _, Existing Data Fact Sheet rn California Deportment of Water Resources Sustainable Groundwater Management Program TSO''0 � April 2021 Project overview DWR will conduct airborne electromagnetic (AEM) surveys in California using funds available through Proposition 68. The AEM method is a geophysical method where data are collected from instruments towed beneath a helicopter. AEM data can be interpreted for continuous images of large-scale aquifer structure and provide a standardized, statewide dataset that supports the implementation of SGMA. DWR will conduct surveys in all High and Medium Priority basins and data will be collected in a coarse grid. DWR will define flight lines and orient them to ensure data are collected over important areas (e.g. areas with known data gaps, adjacent to critical infrastructure, or where GSAs are considering recharge). Why existing data are needed Existing data support and ensure reliable processing and interpretation of AEM data. The locations of existing data should be incorporated into flight line planning so that the AEM survey lines are oriented close to the location of the existing data. The following types of existing data are needed to support the AEM surveys: • Lithology logs • Geophysical data (surface and logging) Request for existing data DWR will obtain existing data that are readily available through statewide data management systems (DMSs). However, some of these data may not be high-quality and some datasets may not cover an entire basin. GSAs and counties may have high-quality data that are not available through a statewide DMS or may have tabulated data that were obtained from a statewide DMS. The integration of all existing, high- quality data into the AEM survey process ensures accurate and reliable AEM data. IDWR requests that GSAs provide DWR with their high-quality lithology and geophysical data. All AEM and supporting data collected or obtained as a part of the statewide AEM surveys will be made publicly available. Lithology logs Lithology logs are created during drilling of new groundwater or oil and gas wells. Lithology logs can be found as stand-alone documents for exploration or sampling wells or within well completion reports (WCRs), groundwater well as-built reports, or geotechnical reports. Please provide high-quality lithology logs from your sub-basin. Logs considered high quality have (1) accurate location information, (2) detailed, accurate lithology descriptions, and (3) a fine discretization of depth intervals. Digitized lithology logs Please provide lithology logs that have been tabulated and are in a digital format (e.g. file types .xIs, .csv, .las, .mdb). If data originated from a state DMS, please provide the identifying number: State Well Number, CASGEM/SGMA Portal Site Code, or WCR number. List of high-quality wells If lithology logs have not been digitized, but high-quality wells have been identified, please provide a list of identifying well numbers (such as those listed above). Identified accurate well locations If well locations have been more accurately identified than provided in the WCR, please provide a list or map with the location of the wells and an identifying well number. Geophysical data Geophysical logging and surface data have been collected throughout the state. Electrical resistivity logs, often referred to as e-logs, are sometimes collected when drilling new groundwater wells and are required to be collected when drilling new oil and gas wells. Surface electric and electromagnetic surveys (e.g. TDEM, t-TEM, walk-TEM, ERT) surveys have also been collected in various locations. Please provide all available geophysical data, regardless of whether the data have been tabulated. Location and amount of existing data There is no limit to the amount of existing data that can be used to support the AEM surveys: generally, the more high-quality data available, the better. Existing data from locations throughout the entire basin can support the AEM surveys. Instructions to submit existing data Data can be submitted to DWR through SendFiles, a simple and secure file transfer application. DWR has contracted with AECOM to monitor the SendFiles system. Sub-basin POC Please identify a point of contract (POC) for the existing data compilation effort. POCs will be provided with login information to access the SendFiles system. The POC may also be contacted if additional information is needed. Note: GSAs will be asked to identify a separate POC to support AEM survey implementation at a later time. Fill out the POC form (here). Data submittal steps 1. Login to the SendFiles system: https://sendfiles.aecom.com/ 2. Fill out all fields in the file transfer form. Enter as the Recipient email address: Ian.Gottschalk@aecom.com a. Copy, paste, and fill the following information in the Message to recipient field: • What type(s) of data are being submitted (e.g. lithology, maps, geophysical data)? • How are wells identified (e.g. Well Completion Report number, State Well number, other)? • What is the location accuracy of the submitted data (e.g. GPS, center of PLSS section, unknown)? • Do the submitted data represent all or a subset of data available in the basin? b. Note: if many individual files are being submitted, it may be useful to zip the files. 3. You will receive a confirmation email if files were successfully submitted. 4. Complete a file transfer form for each data submission (if data are submitted on several occasions). Contact Information AECOM- Data submission support Ian Gottschalk Ian.Gottschalk@aecom.com DWR Region Offices Northern Region Pat Vellines Patricia.Vellines@water.ca.gov North Central Region Chelsea Spier Chelsea.Spier@water.ca.gov South Central Region Amanda Peisch-Derby Amanda.Peisch @water.ca.gov Southern Region Tim Ross Timothy.Ross@water.ca.gov DWR Headquarters AEM Project Manager Katherine Dlubac Katherine.DI ubac@water.ca.gov oilWACalifornia's Statewide Airborne Electromagnetic (AEM) Surveys 3 a - °° Requested GSA Support =1 A ° ca California Deportment of Water Resources Sustainable Groundwater Management Program TEOF CALIF°� May 2021 Project overview DWR will conduct airborne electromagnetic (AEM) surveys in California using funds available through Proposition 68. The AEM method is a geophysical method where data are collected from instruments towed beneath a helicopter. AEM data can be interpreted for continuous images of large-scale aquifer structure and provide a standardized, statewide dataset that supports the implementation of SGMA. DWR will conduct surveys in all High and Medium Priority basins, except basins which have a high urban density and data collection is not feasible. AEM data will be collected in a coarse grid of approximately 2 miles by 8 miles. DWR will orient the grid to capture the important local geologic features and will edit the grid to ensure data are collected over important areas (e.g. areas with known data gaps, adjacent to critical infrastructure, or where GSAs are considering recharge). DWR requests GSAs' support DWR will hold a single meeting with all GSAs in a survey area prior to conducting surveys in their basins. The purpose of this meeting is to notify the GSAs of the upcoming surveys, request GSAs provide maps showing important areas within their basin, determine points of contact (POCs) to support specific tasks, and request that GSAs collect groundwater level measurements at the time of the AEM surveys. GSA's important area maps DWR has developed flight lines for an approximately 2 mile by 8 mile grid that is oriented to capture the major geologic features in the basins (e.g. faults, buried channels, etc.). If the GSA has areas of interest within the basin that they would like DWR to consider in their flight line planning, please provide the locations of those areas (PDF or shapefile) along with a brief description. DWR will specify the date that maps should be submitted during the pre-survey GSA meeting. In most cases, the maps should be submitted to DWR 5 days after the pre-survey GSA meeting. Maps should be emailed to Katherine.Dlubac@water.ca.gov. Outreach POC DWR requests that GSAs support DWR in their outreach effort by sharing DWR developed material with their stakeholders. DWR will provide Outreach POCs with access to a presentation slide deck, a FAQ document, fact sheets, an AEM video, announcements, and newspaper articles. The Outreach POCs are encouraged to share these materials with their stakeholders through the GSA's regular outreach outlets. DWR will send mailers to residents underlying flight path independent of GSA provided outreach support. DWR or the GSA can provide articles to local newspapers, if the GSA prefers DWR send the articles, newspaper recommendations are appreciated. Logistics POC DWR requests that GSAs support DWR's consultant (Ramboll) with survey logistics. DWR will provide the Logistics POC information to Ramboll who will reach out with specific questions regarding flight logistics. Questions may include the following: • Location of unmapped overhead powerlines • Information about local permits and regulations • Connection to local law enforcement (to notify of upcoming flights) • Local weather conditions (e.g. dust storms, fog, gust, mist) • Activities in the terrain. (e.g. para gliders, air shows, ATV parks, shooting ranges) • Farm-land activities (irrigation and hubs) • Animals (e.g cattle, horses, seasonal critical spices like nesting birds) • Nature reserves (contact person /rangers) • Military areas (contact person) • Difficult landowners Groundwater level measurements Mapping groundwater levels in the upper unconsolidated aquifer (e.g. the separation between the shallow unsaturated zone and the deeper saturated zone) supports the reliable interpretation of AEM data. DWR requests that GSAs collect groundwater level measurements within +/- one week of the AEM surveys from wells screened in the upper unconsolidated aquifer. GSAs should determine the measurement density needed to capture local groundwater conditions. The data can be delivered though the Send Files system (described in the Existing Data Fact Sheet) or through email to Katherine.Dlubac@water.ca.gov. Contact Information Northern Region Pat Vellines Patricia.VelIines@water.ca.gov North Central Region Chelsea Spier Chelsea.Spier@water.ca.gov South Central Region Amanda Peisch-Derby Amanda.Peisch@water.ca.gov Southern Region Tim Ross Timothy.Ross@water.ca.gov DWR Headquarters AEM Project Manager Katherine Dlubac Katherine.Dlubac@water.ca.gov A CnT,a f CD uu co C: cu Cn 4 1 � l.•l �. cu : —a cu CL CU c 2 'Xo CN -a cn :3 ° z 06 > a� E w o cn ■� G G � L Q Qa) O � ° L E w o }' N N N pp CL cr N N O C-) 0 cr � � o j a) �y �--� ca : Cn U) CL Q uFt(ES O P II I N F- � O 06 O (D L Cl) L0 O N N 0 > C: � C O O - C: o cu cu cr CU C: cu (u O L O U �' o +, L z L cu � Cl) a) ca O C O -a 0 � � L cu O N -a � p, Q ' -a � Lu a) L _0 cu Q a) o � a) 4 o L ■ }' L 0 O o LU O Cl) CU 4- >1 C cu N a) a) _ cr L 0, C 0 N a) i c o Cl) o _ N E cu Q I L� caa) E o 'V a) o a) �-j a) L V o 4-0 cn L o a) — Q LyU cn 07 p o� oa) � E cn ca Qcu � o c a) o -a L a >' 1-2O N � � Q L cu Oa) >, ca L o a) v, . 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