HomeMy WebLinkAbout04/06/23 KRGSA BOARD MTG AGENDA PACKETBoard Members:
Rodney Palla, Chair
Gene Lundquist
Bob Smith
KERN RIVER GSA
REGULAR MEETING
Thursday, April 6, 2023
10:00 a.m.
City of Bakersfield Water Resources Department
1000 Buena Vista Road, Bakersfield CA 93311
Large Conference Room
AGENDA
1. CALL TO ORDER
2. ROLL CALL
3. PUBLIC STATEMENTS
4. APPROVAL OF MINUTES of the March 2, 2023, Regular Meeting and March 14, 2023,
Special Meeting
5. NEW BUSINESS
A. Correspondence Received (City Clerk, Maldonado)
B. Finance Updates (Maldonado)
i. Receive and File Financial Report
ii. Invoices Received - Horizon Water and Environment, LLC & Todd
Groundwater
C. Management Group Updates (Beard, Maldonado, Teglia)
i. Basin Coordination Committee Updates
ii. 2022 GSP Annual Report
6. COMMITTEE COMMENTS
7. ADJOURNMENT
KERN RIVER GSA
MINUTES
REGULAR MEETING OF March 2, 2023
Large Conference Room, Water Resources, 1000 Buena Vista Drive
ACTION TAKEN
1. CALL TO ORDER REGULAR MEETING - 10:00 a.m.
2. ROLL CALL
Present: Chairman Palla,
Board Members Lundquist and Smith
3. PUBLIC STATEMENTS
None.
4. APPROVAL OF MINUTES - of the February 2, 2023,
Regular Meeting.
Motion by Board Member Smith, seconded by Board APPROVED
Member Lundquist, for approval of minutes.
5. NEW BUSINESS
A. Correspondence Received (City Clerk,
Maldonado)
None.
B. Finance Report
i. Receive and File Financial Report
Daniel Maldonado, Assistant Water
Resources Director, made staff
comments.
Motion by Board Member Smith, seconded by APPROVED
Board Member Lundquist, to receive and file the
financial report.
ii. Approval of 2022 Invoices to Landowner
Participants and other Entities Covered by
KRGSA's GSP
Dave Beard, ID4 Manager, made staff
comments.
Steve Teglia, General Manager, Kern
Water Delta District, made additional
comments.
Bakersfield, California, March 2, 2023 - Page 2
5
6
7.
NEW BUSINESS continued
ITEM 5.b.ii. continued
Motion by Board Member Lundquist, seconded
by Board Member Smith, to receive and file the
financial report.
C. Management Group Updates (Beard,
Maldonado, Teglia)
Basin Coordination Committee Updates
a. Basin Study Update
Steve Teglia, General Manager, Kern
Delta Water District, made staff
comments.
b. 2022 GSP Annual Report
Steve Teglia, General Manager, Kern
Delta Water District, made staff
comments.
Phyllis Stanin, Vice President of Todd
Groundwater, made additional
comments.
CLOSED SESSION
A. Conference with Legal Counsel - Potential
Litigation; Closed Session to Government Code
Section 54956.9 (d) (2), (e)(2): Basin
Coordination Agreement
Motion by Chairman Palla to adjourn to Closed Session
at 10:12 a.m.
Closed Session was adjourned by Chairman Palla at
11:06 a.m.
CLOSED SESSION ACTION
A. Conference with Legal Counsel - Potential
Litigation; Closed Session to Government Code
Section 54956.9 (d) (2), (e) (2): Basin
Coordination Agreement
8. COMMITTEE COMMENTS
None.
ACTION TAKEN
APPROVED
Staff and the Chair were
given direction
Bakersfield, California, March 2, 2023 — Page 3
9. ADJOURNMENT
Chairman Palla adjourned the meeting at 11:06 a.m.
Chair of the Kern River
Groundwater Sustainability Agency
ATTEST:
SECRETARY of the Kern River
Groundwater Sustainability Agency
Bakersfield, California, March 2, 2023 — Page 4
***THIS PAGE INTENTIONALLY LEFT BLANK***
2
KERN RIVER GSA
MINUTES
SPECIAL MEETING OF March 14, 2023
Large Conference Room, Water Resources, 1000 Buena Vista Drive
CALL TO ORDER REGULAR MEETING - 10:00 a.m.
ROLL CALL
Present: Chairman Palla,
Board Members Lundquist and Smith
3. PUBLIC STATEMENTS
None.
4. NEW BUSINESS
A. Management Group Updates (Beard,
Maldonado, Teglia)
i. March 2, 2023 - DWR GSP Determination
Letter- Discussion
Steve Teglia, General Manager, Kern
Delta Water District, made staff
comments.
Phyllis Stanin, Vice President of Todd
Groundwater, provided a PowerPoint
presentation.
5. CLOSED SESSION
A. Conference with Legal Counsel - Potential
Litigation; Closed Session pursuant to
Government Code Section 54956.9 (d) (2), (e) (1)
Motion by Chairman Palla to adjourn to Closed Session
at 11:41 a.m.
Closed Session was adjourned by Chairman Palla at
11:58 a.m.
6. CLOSED SESSION ACTION
A. Conference with Legal Counsel - Potential
Litigation; Closed Session pursuant to
Government Code Section 54956.9 (d) (2), (e) (1)
ACTION TAKEN
NO REPORTABLE
ACTION
Bakersfield, California, March 14, 2023 — Page 2
7. COMMITTEE COMMENTS
None.
9. ADJOURNMENT
Chairman Palla adjourned the meeting at 11:59 a.m.
Chair of the Kern River
Groundwater Sustainability Agency
ATTEST:
SECRETARY of the Kern River
Groundwater Sustainability Agency
������_" ��
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N v | k o x\ | w T A L
March 27,2U23
KRGSA,Bakersfield City Clerk's Office
16OOTruxtunAvenue
Bakersfield, CA9]3O1
Attn: Daniel Maldonado
Email: drmaldonado@bakersfieldcity.us
V/\ Horizon
WATER and ENVM0NMFN7
1 KaiserP|az4 Suite 340, Oakland, CA94612
Subject: Horizon Water and Environment, LLC Rebranding
Dear Daniel Maldonado:
Please be advised that Horizon Water and Environment, LLC ("Horizon") (EIN of Parent: 46-
4195044), a wholly owned subsidiary of Montrose Environmental Solutions, Inc., a Delaware
corporation ("Montrose") (EIN: 87-2894310), is streamlining our operations under Montrose. As
part of this streamlining, we are nebranding our business as Montrose Environmental to align and
deliver services asone organization.
All current and active Horizon project contracts and task orders will continue under e}dsti[cli
agreements until they are completed. These current and active projects will use an alias business
name of Montrose Environmental Solutions, and as such, work product and invoices will be
branded asMontrose unless specifically requested otherwise. After April 1,2O23,all new contracts,
proposals, and task orders will be submitted and contracted as Montrose. Our goal is to make this
asmooth transition.
In advance of this April 1st transition, please find enclosed a current form VV-9 for Montrose
Environmental Solutions, Inc. (MES). After April 1, 2023, purchase orders for any new projects
should be issued to MES, and all invoices will be sent from Montrose. OUR insurance and banking
information remains unchanged. The COI you have previously been provided covers all Montrose
subsidiaries and affiliate companies, including both MES and Horizon. We have also attached
information regarding setting up Montrose as vendor in your system.
Over the years, Horizon has provided our clients with technical expertise, dedicated client service
and exceptional project management. Montrose is committed to providing this same quality
service. Our cone business is unchanged. You can expect to do business with the same dependable
team as always.
You can also continue to correspond with your Horizon representatives via telephone and email as
you have in the past. After April 1, our communications corning to you will use our
@nnontrose-env.conn email addresses; however, any ennai|s sent to the previous
@horizonh2o.corn email addresses will still work.
Sincerely yours,
Kenneth Schwarz, �Ph
Rindp@|, Office: (510) 986-1851, Cell: (510)421-7664
Kern River GSA
Report of Receipts and Disbursements
for the 2022-23 Fiscal Year
Report information as of April 3, 2023
Beginning Balance of KRGSA Trust as of July 1, 2022
Receipts
Date
Received Received from:
9/29/2022
Kern Groundwater
Authority
10/21/2022
Kern Groundwater
Authority
10/21/2022
Kern Groundwater
Authority
12/2/4930
Department of Water
Resources
12/20/2022
Kern Groundwater
Authority
3/15/2023
Grimmawy Farms
Total Receipts in this Fiscal Year
Disbursements
$ 415,534.82
Amount
R—pi—rl
Prop 1 SMGA Grant
1,732.13
GEI Refund
607.20
Livermore Lab Share (Error)
9,276.33
Grant Reimb
122,114.19
18,918.32
Grant Admin
4.80
J 17L, wn/ to/
Authorized
Date
COB Check
Amount
for payment
Paid
Payee
Number
Paid
by KRGSA on:
7/7/2022
Horizon Water & Environmental
741879
1,813.75
8/4/2022*
7/14/2022
Bakersfield Californian
742145
437.76
8/4/2022*
7/21/2022
Todd Groundwater
742524
26,491.10
8/4/2022*
8/4/2022
Todd Groundwater
743168
14,758.75
10/6/2022*
8/11/2022
Henry Miller Water
743369
1,045.91
10/6/2022*
8/11/2022
Buena Vista Water Storage
743316
1,919.21
10/6/2022*
8/11/2022
Kern Groundwater Authority
743383
8,181.81
10/6/2022*
8/11/2022
Olcese Water
243411
204.32
10/6/2022*
8/11/2022
Kern Groundwater Authority
743383
101,889.47
10/6/2022*
9/15/2022
Todd Groundwater
746289
7,919.60
10/6/2022*
9/15/2022
Todd Groundwater
746289
20,769.15
10/6/2022*
9/15/2022
Todd Groundwater
746289
23,179.90
10/6/2022*
10/6/2022
Todd Groundwater
747360
12,015.00
11/3/2022*
10/6/2022
Horizon Water & Environmental
747286
1,545.00
11/3/2022*
10/27/2022
Kern Groundwater Authority
748258
18,552.66
11/3/2022*
11/3/2022
Todd Groundwater
748691
3,855.00
2/2/2023*
11/23/2022
Kern Groundwater Authority
749535
122,114.19
2/2/2023*
12/1/2022
Todd Groundwater
749900
4,359.85
2/2/2023*
12/1/2022
Kern Groundwater Authority
749826
12,914.88
2/2/2023*
12/1/2022
Horizon Water & Environmental
749819
859.40
2/2/2023*
1/12/2023
Todd Groundwater
751510
10,929.93
2/2/2023*
1/12/2023
Horizon Water & Environmental
751618
1,947.24
2/2/2023*
2/9/2023
Todd Groundwater
753071
4,287.18
3/2/2023*
2/9/2023
Horizon Water & Environmental
753009
806.25
3/2/2023*
3/23/2023
Todd Groundwater
755075
2,465.20
4/6/2023*
Total Disbursements in Fiscal Year
$
405,262.51
Balance in KRGSA
Trust as of report date
$
162,925.28
(city trust account: Fund 618)
* - date disbursement reported to KRGSA Board
S:\Accounting\KRGSA\report of receipts and disbursements April 2023 -Trust Activity- FY 22-23
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Horizon Water and Environment LLC
w, rHR ,nd INVIRONMr.:w7 PO Box 2727
Oakland, CA 94602
BILL TO:
Kern River Groundwater Sustainability Agency
Bakersfield City Clerk'S Office
1600 Truxtun Avenue
Bakersfield, CA 93301
United States of America
PO #:
PAYMENT TERMS: Net 30
PROJ-016084 Prop 68 Grant Application (19.043)
I Grant Administration
INVOICE '.
CUSTOMERDATE: 03/27/23
. 1513
Debra Lilly
Sandra Wieder 0.5 $ 90.00 $ 45.00
Administrative Assistant
Kenneth Schwarz 0.5 $ 215.00 $ 107.50
Principal
Debra Lilly 2.25 $ 185.00 $ 416.25
Senior Associate II
Labor
TASK TOTAL
NET AMOUNT
REMIT TO: VIA ELECTRONIC FUNDS TRANSFER
Bank: Bank of America
ABA # (Wire): 026 009 593
ABA # (ACH): 121 000 358
Account #: 325000474939
SWIFT Code: BOFAUS3N
Account Name: Montrose Environmental Group, Inc.
Remittance Advice: accountsreceivable@montrose-env.com
3.25
LOCKBOX MAILING ADDRESS
Montrose Environmental Inc.
PO 741137
Los Angeles, CA 90074-1137
United States of America
$ 568.75
$ 568.75
$ 568.75
PAGE 1 OF 2
Horizon Water and Environment LLC
w, rHR ,nd INVIRONMr:w7 PO Box 2727
Oakland, CA 94602
INVOICE '.
CUSTOMERDATE: 03/27/23
. 1513
3. Grant Administration -Labor
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Debra Lilly
02/24/23
Q16 invoice prep
1.25
$ 185.00
$ 231.25
Senior Associate II
Debra Lilly
02/27/23
Q4 submittal review
0.75
$ 185.00
$ 138.75
Senior Associate II
Debra Lilly
02/28/23
invoice revisions
0.25
$ 185.00
$ 46.25
Senior Associate II
Kenneth Schwarz
01/23/23
invoice review
0.25
$ 215.00
$ 53.75
Principal
Kenneth Schwarz
01/26/23
invoice
0.25
$ 215.00
$ 53.75
Principal
Sandra Wieder
01/23/23
invoice and budget table
0.5
$ 90.00
$ 45.00
Administrative Assistant
Labor Subtotal
3.25
$ 568.75
NET AMOUNT
$ 568.75
TAX
$ 0.00
PAGE 2 OF 2
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Invoice
DATE INVOICE NO.
2490 Mariner Square Loop, Suite 215 3/8/2023 62311-1 323
Alaineda, CA 94501
510/747-6920 Federal ID# 94-2490748
BILL TO:
Kern River Groundwater Sustainability
Attn: Daniel Maldonado
1600 TruXtUn Avenue
Bakersfield, CA 93301
Project No: 62311 -1 -GSP linplementation
DESCRIPTION
HOURS
RATE
AMOUNT
Professional services in connection with GSP implementation
Phyllis Stanin
21.25
265.00
5,631.25
Nicole Grimm
10.75
180.00
1,935.00
Professional Services Subtotal
7,566.25
Communications Fee (cif 2% of Professional Services
7,566.25
0.02
151.33
Drafting, GIS & Support Services:
Mike Wottrich
1
140.00
140.00
Administrative/Secretarial:
Cynthia 0bUChi
0.25
130.00
32.50
Feb I - Feb 28 $7,890.08
This invoice is 110W (ftle and payable, Balances unpaid over 30 days accrue I.Plo interest per month. If payment for previous charges has been sent, please accept
our thanks and disregard our reminder of previous unpaid charges.
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Henry Miller Water District
Groundwater Sustalrabifity Plan
C-rty S,bb—
. . .... ....... .........
(� K E R N
G R 0 U N D W A T E R A U T Id 0 R I I Y
Final
Amended Groundwater
S."n.1,11ily Plan (GSP)
,a,, RiNe, G oundwate,
S."inability Agency
(KRGSA) Plan A..
No=
IIII.....IIII..... IIII'IIII'
IR 0 U II T 11 S U S T A N A dIIIIIII T Y A G 14 CIIIIIIICS
Kern County bdrool i n
Basin No. 5-02,2,.14
Groundwater Sustainabillity Plans (GSPs)
Fourth nn I Report
(October 2021 through September 2022)
FINAL
M rd-i 31, 2023
2490 Mariner Square Loop, Suite 215
Alameda, CA 94501
510.747.6920
www.toddgroundwater.com
Talble of Contents
ExecutiveSummary..................................................................................................................................1
1
Introduction....................................................................................................................................1
1.1
Purpose of the GSP Annual Report.......................................................................................2
1.1.1 Coordinated Submittal.....................................................................................................2
1.1.2 Coordinated Historical Data.............................................................................................3
1.2
Basin Coordination Committee............................................................................................3
1.3
Approach...............................................................................................................................4
1.3.1 Data Compilation.............................................................................................................4
1.3.2 C2VSimFG-Kern Model Update........................................................................................4
1.3.3 DWR Data Templates.......................................................................................................7
1.4
Report Organization..............................................................................................................7
1.5
Limitations............................................................................................................................7
2
Groundwater Elevations.................................................................................................................8
2.1
Hydrologic Water Year Type.................................................................................................8
2.2
Coordinated Basin -Wide Monitoring....................................................................................9
2.3
Hydrographs from WY 1995 through WY 2022..................................................................10
2.3.1 Hydrograph Development.............................................................................................11
2.3.2 Water Level Trends and Fluctuations............................................................................13
2.3.3 Compliance with Sustainable Management Criteria.....................................................14
2.4
Groundwater Elevation Contours for Subbasin Principal Aquifers....................................14
2.4.1 Primary Principal Aquifer...............................................................................................15
2.4.2 Local Principal Aquifers..................................................................................................16
3
Groundwater Extractions.............................................................................................................19
3.1
Groundwater Extraction Data Methods.............................................................................19
3.2
Summary Extractions By Subbasin For WY 2022................................................................20
3.3
Groundwater Extractions Map...........................................................................................22
3.4
Part A and B DWR Data Templates.....................................................................................23
4
Surface Water Supply...................................................................................................................24
4.1
Surface Water Data Methods.............................................................................................24
WY 2022 Annual Report
Kern County Subbasin i TODD GROUNDWATER
4.2
Surface Water by Source Type............................................................................................24
4.3
Part C DWR Data Template.................................................................................................26
5 Total
Water use............................................................................................................................27
5.1
Total Water Supply By Source............................................................................................27
5.2
Total Water Use By Water Use Sector................................................................................28
5.3
Changes in Water Supply and Use During GSP Implementation........................................29
5.4
Part D DWR Data Template................................................................................................31
6 Change in Groundwater in Storage..............................................................................................32
6.1
Methodology......................................................................................................................32
6.2
Graphs of Change in Groundwater in Storage....................................................................32
6.2.1
Change in Groundwater in Storage Graph.....................................................................33
6.2.2
Groundwater Use Graph................................................................................................33
6.3
Change in Groundwater in Storage During GSA Management Period...............................34
6.4
Map of Change in Groundwater in Storage for the Subbasin............................................35
6.4.1
WY 2022 Change in Groundwater in Storage Map........................................................35
6.4.2
Accuracy of Change in Groundwater in Storage Maps..................................................36
7 Progress on GSP Implementation.................................................................................................37
7.1
Progress on Subbasin-Wide Coordination for GSP Implementation..................................37
7.1.1
Coordination on Amended GSPs....................................................................................37
7.1.2
Coordination on Annual Report Data............................................................................38
7.1.3
Application of the Kern County Subbasin DMS for Annual Report Preparation ...........38
7.1.4
Coordination on GSP Monitoring Data..........................................................................38
7.1.5
Additions to Subbasin-Wide Monitoring Protocols.......................................................39
7.1.6
Successful Grant Application, SGM GSP Implementation Grant Program, Round 1.....40
7.2
Progress on Implementation of the Six Individual GSPs in the Subbasin ...........................43
7.2.1
GSA Project and Management Action Summaries........................................................43
7.2.2
Outreach and Coordination Activities...........................................................................45
7.3
Buena Vista Water Storage District GSA.............................................................................46
7.4
Henry Miller Water District GSA.........................................................................................49
7.5
Kern Groundwater Authority (KGA) GSA............................................................................52
7.5.1
Cawelo Water District GSA.............................................................................................52
7.5.2
Eastside Water Management Area................................................................................56
7.5.3
Kern County Water Agency - Pioneer GSA.....................................................................60
WY 2022 Annual Report
Kern County Subbasin ii TODD GROUNDWATER
7.5.4
Kern Water Bank Authority............................................................................................62
7.5.5
Kern -Tulare Water District GSA......................................................................................65
7.5.6
North Kern Water Storage District and Shafter-Wasco Irrigation District.....................69
7.5.7
Rosedale -Rio Bravo GSA.................................................................................................73
7.5.8
Semitropic Water Storage District GSA..........................................................................79
7.5.9
Shafter-Wasco Irrigation District 7th Standard Annexation..........................................86
7.5.10
Southern San Joaquin Municipal Utility District GSA.....................................................88
7.5.11
West Kern Water District GSA........................................................................................91
7.5.12
Westside District Water Authority GSA.........................................................................96
7.6 Kern River GSA..................................................................................................................100
7.7 Olcese
Water District GSA.................................................................................................111
7.8 South of Kern River...........................................................................................................114
7.8.1
Arvin GSA......................................................................................................................114
7.8.2
Tejon-Castac Water District GSA..................................................................................119
7.8.3
Wheeler Ridge-Maricopa GSA......................................................................................121
8 References..................................................................................................................................124
�IIIS' of „rblS
Table 1.
List of Kern County Subbasin Agencies Contributing Data...................................................6
Table 2.
Location of Hydrographs in Appendix A by GSA and Agency.............................................12
Table 3.
Local Principal Aquifers in the Kern County Subbasin........................................................17
Table 4.
Groundwater Extractions in the Kern County Subbasin for WY 2022................................20
Table 5.
Surface Water Supplies in the Kern County Subbasin for WY 2022...................................24
Table 6.
Total Water Supply by Source in the Kern County Subbasin for WY 2022.........................27
Table 7.
Total Water Use by Sector in the Kern County Subbasin for WY 2022..............................28
Table 8.
Water Supply Comparison of GSA Management and Comparable Recent Period ............29
Table 9.
Water Use Comparison of GSA Management and Comparable Recent Period .................30
Table 10.
Change in Groundwater in Storage Comparison of GSA Management and Comparable
RecentPeriod......................................................................................................................34
Table 11.
GSP Implementation Summary for WY 2022......................................................................44
WY 2022 Annual Report
Kern County Subbasin iii TODD GROUNDWATER
List of F:Igures and Required Map
Figure 1 Kern County Subbasin
Figure 2 Kern County Subbasin Groundwater Sustainability Agencies (GSAs)
Figure 3 Kern County Subbasin Groundwater Sustainability Plan (GSP) Areas (Amended July 2022)
Figure 4 KGA GSP Management Area Plans (MAPS) and Other GSP Areas
Figure 5 Basin -Wide Groundwater Level Monitoring Network (Hydrograph wells)
Figure 6 Water Year Types, Kern River and San Joaquin Valley Indices, WY 1995-2022
Figure 7 Groundwater Elevation Contour Map, Primary Principal Aquifer, Fall 2021
Figure 8 Groundwater Elevation Contour Map, Primary Principal Aquifer, Spring 2022
Figure 9 Location of Local Principal Aquifers
Figure 10 Groundwater Elevation Contour Map, Olcese Sand Principal Aquifer, Fall 2021
Figure 11 Groundwater Elevation Contour Map, Olcese Sand Principal Aquifer, Spring 2022
Figure 12 Groundwater Elevations, Santa Margarita Principal Aquifer, Fall 2021 and Spring 2022
Figure 13 Groundwater Extractions, Kern County Subbasin WY 2022
Figure 14 Surface Water Features, Kern County Subbasin
Figure 15 ITRC METRIC ET Demand (acre-feet) for Kern County Subbasin
Figure 16 Change in Groundwater in Storage, Kern County Subbasin WY 1995 — WY 2022
Figure 17 Groundwater Extractions WY 1995 — WY 2022
Figure 18 Change in Groundwater in Storage, Kern County Subbasin, WY 2022
Ap.pend ices
APPENDIX A: Hydrographs of Groundwater Elevations, GSP Monitoring Network Wells, Kern
County Subbasin, WY 2022 Annual Report
WY 2022 Annual Report
Kern County Subbasin iv TODD GROUNDWATER
Ust of Acronyms
AEWSD
Arvin -Edison Water Storage District
AF
acre feet
AFY
acre feet per year
BCC
Basin Coordination Committee of the Kern County Subbasin
bgs
below ground surface
BMP
Best Management Practices
BVWSD
Buena Vista Water Storage District
CASGEM
California Statewide Groundwater Elevation Monitoring
C2VSim
California Central Valley Groundwater -Surface Water Simulation
C2VSimFG-Kern
California Central Valley Groundwater -Surface Water Simulation Model, Fine -
Grid, Kern County Update for the Kern County and White Wolf Subbasin
CCR
California Code of Regulations
CEQA
California Environmental Quality Act
Cawelo WD
Cawelo Water District
CGSA
Cawelo Groundwater Sustainability Agency
cfs
cubic feet per second
CIMIS
California Irrigation Management Information System
CVC
Cross Valley Canal
CVP
Central Valley Project
CWD
County Water District
DMS
Data Management System
DWR
Department of Water Resources
ENCSD
East Niles Community Services District
ET
Evapotranspiration
EWMA
Eastside Water Management Area
ft
feet
Greenfield CWD
Greenfield County Water District
GSA
Groundwater Sustainability Agency
GSE
Ground Surface Elevation
GSP
Groundwater Sustainability Plan
HMWD
Henry Miller Water District
ID4
Improvement District 4, Kern County Water Agency
IDC
Independent Demand Calculator
WY 2022 Annual Report
Kern County Subbasin v TODD GROUNDWATER
InSAR
Interferometric Synthetic Aperture Radar
ITRC
Irrigation Training and Research Center
IWFM
Integrated Water Flow Model
KCWA
Kern County Water Agency
KDWD
Kern Delta Water District
KFMC
Kern Fan Monitoring Committee
KGA
Kern Groundwater Authority
KRGSA
Kern River Groundwater Sustainability Agency
KTWD
Kern -Tulare Water District
KWB
Kern Water Bank
MA
Management Area
MAP
Management Area Plan
METRIC
Mapping EvapoTranspiration at high Resolution with Internalized Calibration
MNP
Monitoring Network Plan
MO
Measurable Objective
MT
Minimum Threshold
msl
mean sea level
NKWSD
North Kern Water Storage District
MNM
Monitoring Network Module, DWR online SGMA portal
PRISM
Parameter -elevation Relationships on Independent Slopes Model
RRBWSD
Rosedale -Rio Bravo Water Storage District
SGMA
Sustainable Groundwater Management Act
SSJMUD
South San Joaquin Municipal Utilities District
Subbasin
Kern County Subbasin (when capitalized)
SWID
Shafter-Wasco Irrigation District
SWP
State Water Project
SWSD
Semitropic Water Storage District
TCWD
Tejon-Castac Water District
USEPA
United States Environmental Protection Agency
WMA
Water Management Area
WDWA
Westside District Water Authority
WKWD
West Kern Water District
WRMWSD
Wheeler Ridge-Maricopa Water Storage District
WY
Water Year, October 1 through September 30
WY 2022 Annual Report
Kern County Subbasin vi TODD GROUNDWATER
EXECurIVE SUMMARY
The Kern County Subbasin (Basin No. 5-022.14) is the largest subbasin in the State, has been designated
as critically overdrafted, and is governed by a myriad of water districts, water storage districts, irrigation
districts, and municipalities. These agencies manage a complex water supply system, a large portfolio of
local and imported water sources, access to flood waters throughout the State, local managed aquifer
recharge projects, and numerous large groundwater banking projects, collectively providing both local
and State-wide water supply and water quality benefits.
To comply with the Sustainable Groundwater Management Act (SGMA), local agencies are currently
organized into seventeen (17) Groundwater Sustainability Agencies (GSAs). These GSAs coordinated to
produce six amended Groundwater Sustainability Plans (GSPs) covering the entire Subbasin that were
submitted to the Department of Water Resources (DWR) in July 2022. The amended GSPs were
submitted in response to a DWR Letter of Determination in January 2022 that identified deficiencies in
the original GSPs submitted in January 2020.
Since the submittal of the 2020 GSPs, all of the Subbasin GSAs have coordinated to produce a single
comprehensive Annual Report that covers the entire Kern County Subbasin. This Fourth Annual Report
demonstrates the collective GSP implementation by all 17 GSAs. Figure 1 shows the Kern County
Subbasin and adjacent subbasins. Figures 2 and 3 show the current 17 Subbasin GSAs and the areas
covered by the six GSPs submitted in July 2022, respectively.
This Fourth Annual Report covers Water Year (WY) 2022, from October 1, 2021 through September 30,
2022, as the reporting period. The purpose of the Annual Report is to provide the required data and
analyses to demonstrate that the Kern County Subbasin GSPs are being implemented in a manner that
will achieve the sustainability goals that have been developed for the Subbasin and individual GSPs.
Approach
In support of this WY 2022 Annual Report, over 40 agencies have contributed data and information
(listed in Table 1). Data have been combined and analyzed for use in hydrographs, water level contour
maps, and an update of the local C2VSimFG-Kern model. In particular, the C2VSimFG-Kern model
provides a technically credible tool to analyze groundwater extractions and changes in groundwater in
storage on a basin -wide basis. Various model results are presented from WY 1995 through WY 2022,
incorporating the historical period for the GSP water budgets (WY 1995 through WY 2015) and the
updated analyses through WY 2022; water year types for that 28-year period are presented on Figure 6.
Data templates provided by DWR are employed for consistent reporting of information and data. A
narrative progress report on GSP implementation has also been provided by the GSAs and member
agencies; those reports are compiled in Section 7. In addition to the implementation of the individual
GSPs, GSAs and member agencies are also coordinating on a collective effort to accomplish GSP
implementation activities on a Subbasin-wide basis, including those documented in the Kern County
Subbasin Coordination Agreement. These efforts, led by the Basin Coordination Committee (BCC), are
also summarized in Section 7.
WY 2022 Annual Report
Kern County Subbasin ES-1 TODD GROUNDWATER
The data compilation process for this Fourth Annual Report was coordinated with newly developed
data -entry templates for water supply and use data developed using the Kern County Subbasin Data
Management System (DMS). The project has been funded by a DWR grant under Round 3 of the
Sustainable Groundwater Management (SGM) Grant Program (Proposition 68). Subbasin GSAs
coordinated and funded the successful grant application.
The Kern County Subbasin GSAs are collectively committed to successful GSP implementation and
attainment of Subbasin Sustainability Goals. Substantial compliance with the Annual Report
requirements is demonstrated throughout this report, and additional data are currently being collected
to address data gaps.
Groundwater Elevations
Groundwater elevations were compiled from wells in the GSP representative monitoring network for
the preparation of hydrographs across the Subbasin (Figure 5). Available data, including sustainable
management criteria, are presented on 198 well hydrographs, compiled in Appendix A. The hydrographs
are developed within the Subbasin DIMS so that the most complete and current groundwater elevations,
ground surface elevation, minimum threshold (MT) and measurable objective (MO) are shown on the
hydrographs. A public version of the DMS, including the hydrographs from the GSP representative
monitoring network, is accessible to Subbasin GSAs and the public through the KGA website.
Data from the SGMA monitoring network were combined with supplemental water level data from the
Kern Fan Monitoring Committee and other local monitoring efforts by Kern County Water Agency
(KCWA) to prepare groundwater elevation contour maps. Specifically, KCWA developed water level
contour maps for Fall 2021 and Spring 2022 for the Primary Principal Aquifer in the Subbasin (Figures 7
and 8).
Three additional Principal Aquifers have been identified in four localized areas within the Subbasin as
shown on Figure 9. Groundwater elevation contour maps for Fall 2021 and Spring 2021 are provided for
the Olcese Sand Principal Aquifer on Figures 10 and 11, respectively. Groundwater elevations were
posted during Fall 2021 and Spring 2022 for the Santa Margarita Principal Aquifer (Figure 12). Data were
not available for the Upper Aquifer in the north -central portion of the Subbasin during this reporting
period. However, the three local Principal Aquifers are represented in the C2VSimFG-Kern local model
and grouped together with the Primary Principal Aquifer in the groundwater extraction data and the
change in groundwater in storage analyses. The Subbasin GSPs define any water bearing zone within the
areal extent and depth interval of an oilfield aquifer exemption as being located outside of the Kern
County Subbasin and are, therefore, not included within any of the Principal Aquifers.
WY 2022 Annual Report
Kern County Subbasin ES-2 TODD GROUNDWATER
Groundwater Extractions
Groundwater extraction data for the Kern County Subbasin were compiled using two methods:
• Directly measured groundwater extraction data collected by local water agencies.
• Estimated groundwater extractions based on land use methods using the IWFM Demand
Calculator (IDC) tool developed by DWR (Dogrul, Kadir and Brush, 2017), which is dynamically
linked to the C2VSimFG-Kern groundwater model.
IDC employs user -specified evapotranspiration (ET) data that are based on monthly satellite data
processed by the Irrigation Training & Research Center (ITRC) at California Polytechnic State University,
San Luis Obispo (Howes, 2023). Surface water supplies are incorporated based on measured data and
regional precipitation (PRISM); using these collective data sets, IDC calculates the groundwater
extraction necessary to meet the crop demand. Urban demands in C2VSimFG-Kern are based on agency -
supplied extraction data and/or population and per -capita water demand.
Table ES-1 summarizes the Kern County Subbasin groundwater extractions by water use type and
measurement method for WY 2022. Additional details on water use types and groundwater extractions
are provided in Section 3. Figure 13 shows the areal distribution of total groundwater extraction
volumes over the Subbasin during WY 2022. Figure 17 graphically presents historical groundwater
extractions from WY 1995 through WY 2022.
Table ES-1. Groundwater Extractions in the Kern County Subbasin for Water Year 2022
WY 2022 Annual Report
Kern County Subbasin ES-3 TODD GROUNDWATER
Surface Water Supply
For the Kern County Subbasin, surface water supplies are measured directly by local water agencies at
the point of diversion from a river, stream or canal using measurement devices and monitoring
protocols. Surface water data were collected by measurement devices with a high level of accuracy
consistent with relevant standards. Measured surface water data were provided by local agricultural
districts, urban water purveyors and city water departments for this Annual Report (see Table 1). These
surface water supplies are tabulated in Table ES-2 below. Additional details on surface water supplies
are provided in Section 4. A map showing surface water supply infrastructure and features in the
Subbasin is provided on Figure 14.
Table ES-2. Surface Water Supplies in the Kern County Subbasin for Water Year 2022
Total Water Use
Based on data and tables in preceding sections, the total water use in the Subbasin is provided by Water
Source Type and Water Use Sector on Tables ES-3 and ES-4. Additional details on the tabulation of Total
Water Supply and Use are provided in Section S.
Table ES-3. Total Water Use by Source Type, Kern County Subbasin, Water Year 2022
WY 2022 Annual Report
Kern County Subbasin ES-4 TODD GROUNDWATER
Section 5 provides a preliminary assessment of changes in water demand in the Subbasin during the GSP
implementation period. The METRIC evapotranspiration (ET) data provided by ITRC (Howes, 2023)
shows a notable decline in ET demand during WY 2020 through WY 2022 of 200,000 to 300,000 acre-
feet compared to a similar hydrologic period from WY 2014 through 2016 (Figure 15). The ongoing
Basin Study is currently evaluating potential changes in land use that could account for this decline. In
addition, the Subbasin GSAs are currently coordinating several basin -wide management actions to
better track and evaluate performance of GSP implementation over time.
The data presented on Tables ES-1, ES-2, ES-3 and ES-4 are compiled into the data templates provided
by DWR and submitted along with this Annual Report for consistent reporting of information and data.
Table ES-4. Total Water Use by Water Use Sector, Kern County Subbasin, Water Year 2022
Change in Groundwater in Storage
As required by the GSP regulations, the following figures included in the WY 2022 Annual Report
illustrate the changes in groundwater in storage over the Subbasin:
• Graph depicting water year type, groundwater use, the annual and cumulative change in
groundwater in storage based on historical data to the greatest extent available, including from
January 1, 2015 to the current reporting year.
• Change in groundwater in storage maps for Subbasin Principal Aquifers.
The Subbasin GSAs continue to support the annual updating of the C2VSimFG-Kern local model to assist
with the change in groundwater in storage analyses. The model results represent the total change in
groundwater in storage for the entire Kern County Subbasin that includes all Subbasin Principal Aquifers.
Figure 16 shows the simulated change in groundwater in storage graph for the Kern County Subbasin
over the 28-year period from WY 1995 to WY 2022. The graph includes the annual and cumulative
change along with the water year type based on the San Joaquin Valley Index (CDEC, 2023). For WY
WY 2022 Annual Report
Kern County Subbasin ES-5 TODD GROUNDWATER
2022, a critically dry water year type, the groundwater in storage for the Kern County Subbasin declined
by 1,740,468 acre-feet (AF).
Figure 18 presents the annual basin -wide change in groundwater in storage map for WY 2022, using the
C2VSimFG-Kern model results. The change in groundwater in storage represents the sum of the total
inflow components plus the total outflow components. A positive value represents an increase in the
volume of groundwater stored in the aquifer that was typified by a rise in groundwater levels whereas a
negative represents a decrease in groundwater in storage typified by a decline in groundwater levels.
WY 2022 was rated as a critically dry water year under the San Joaquin Valley Index (CDEC, 2023), and
the Kern River Index was 29 percent of average Kern River flows (COB, 2022). As such, widespread low-
level declines are observed over most of the Subbasin with some localized areas of minor increases. The
change in groundwater in storage is concentrated in the vicinity of the large groundwater banking
operations primarily in the center of the Subbasin, representing large volumes of recovery pumping to
provide a critical water supply during the extraordinary drought conditions. This pumping recovers
water that has already been banked in the groundwater Subbasin in previous years. Groundwater
elevations in the banking areas historically fluctuate over a range of 200 feet in response to recharge
and recovery operations. These operations lead to highly variable year-to-year change in groundwater
in storage. Therefore, the concentrated change in storage in the banking areas is a highly -managed
activity that plays a key part in maintaining the groundwater sustainability for the Subbasin.
Change in Groundwater in Storage During GSA Management Period
For this Annual Report, the average annual change in groundwater in storage over the three-year GSA
Management period (WYs 2020-2022) is compared to the average from a similar hydrologic period of
WYs 2014-2016 prior to GSA management. This preliminary analysis is presented in Section 6.3 and
summarized below in Table ES-5. This comparison indicates that the decline in groundwater in storage
for drought conditions during the GSA Management period is about 600,000 AFY less than the average
decline estimated for the comparable hydrologic period during WYs 2014-2016.
Table ES-5. Change in Groundwater in Storage Comparison of the GSA Management Period to a
Comparable Recent Period
A comparison of water supply and water use (Section 5.3) during these two periods indicates that
average annual groundwater pumping was 370,000 AFY less than during WYs 2014-2016 (Table 8). Also,
the average annual volume of managed aquifer recharge increased by 96,000 acre-feet. The
WY 2022 Annual Report
Kern County Subbasin ES-6 TODD GROUNDWATER
combination of the decreased pumping and increased managed aquifer recharge accounts for about
80% of the difference in the change in groundwater in storage between these two periods.
Both changes to groundwater pumping and managed aquifer recharge are directly related to SGMA
implementation. As noted in Section 5.3, there are multiple potential factors contributing to the
observed changes in water use. However, this preliminary assessment suggests that these water use
changes have resulted in a reduced volumetric change in groundwater in storage during the GSA
Management period as compared to the similar hydrologic period of WYs 2014-2016. The Subbasin
GSAs are currently coordinating on several basin -wide management actions to improve the ability to
address data gaps and better calculate water budgets. These projects, summarized in Section 7.2, will
allow the Subbasin GSAs to better track and evaluate performance of the GSP implementation.
Progress on GSP Implementation
The GSAs and member agencies associated with the six GSPs have provided progress reports on their
respective GSP implementation activities for WY 2021. These progress reports provided in Sections 7.3
through 7.8 are organized by the six GSPs, in alphabetical order for the lead GSA. KGA member agencies
that have prepared Management Area Plans are listed in alphabetical order within Section 7.5. To
facilitate DWR review, a consistent reporting format was established, based on the components listed in
the GSP regulations (§356.2(b)(5)(Q, as follows:
1) Compliance with Sustainable Management Criteria
a. GSP Monitoring Activities
b. Changes in GSP Monitoring Network
c. Progress in Achieving Interim Milestones
d. Compliance with Additional Sustainable Management Criteria (including minimum
thresholds (MTs) and measurable objectives (MOs))
2) Implementation of Projects and Management Actions
3) Coordination with Stakeholders
4) Summary of Other GSP-related Special Studies or Activities
In brief, all the Subbasin GSAs are in the process of implementing their GSPs, or addressing their data
gaps, and are committed to coordination for sustainable groundwater management. Many GSP
monitoring networks have been fully implemented; others are planning new monitoring sites. Some
networks represent areas where local groundwater conditions do not have a long monitoring history
and/or where little groundwater pumping occurs due to undeveloped land use (e.g., rangeland), and
naturally poor groundwater quality. These areas have proposed new monitoring locations and/or
"Watch Areas" to assess for changes, if any, in current land and groundwater use.
To demonstrate the significant progress that GSAs/member agencies have been making on specific
projects and management actions, those activities are briefly summarized in Table ES-6; the locations of
the narrative that describe these actions in more detail are also provided in Table ES-6 for reference.
Additional information is provided in Section 7.2 that also includes a summary on the various outreach
WY 2022 Annual Report
Kern County Subbasin ES-7 TODD GROUNDWATER
and coordination activities conducted by the GSAs/member agencies in WY 2022 individual GSAs'
management area summaries are provided in Section 7.3 to 7.8.
In addition to the implementation of the individual GSPs, GSAs and member agencies are also
coordinating on a collective effort to accomplish GSP implementation activities on a Subbasin-wide
basis, including those documented in the Kern County Subbasin Coordination Agreement. These efforts,
led by the Basin Coordination Committee (BCC), are summarized in Section 7.1. These Subbasin wide
efforts are summarized below:
• Coordination on Amended GSPs - Following the DWR Incomplete Determination letter on
January 28, 2022, the Kern County Subbasin GSA and member agency managers met weekly to
coordinate corrective actions and prepare Amended GSPs. A Kern Subbasin Amended
Coordination Agreement and Amended GSPs were submitted to DWR in July 2022.
• Coordination on Annual Report Data - Agencies shared in costs to purchase Subbasin-wide
METRIC ET data, available on a monthly basis over the reporting period. Accordingly, this
submittal of the Annual Report represents completion of an important GSP implementation
measure that demonstrates ongoing coordination on a Subbasin-wide basis.
• Application of the Kern County Subbasin DMS for Annual Report Preparation - The Subbasin
GSAs are utilizing the web -based DMS to support GSP monitoring and analyses (Coordination
Agreement, Appendix 5). In WY 2022, work began on expanding the DMS to include water
budget data for the annual report and model updates via the DMS. This expanded capability
was implemented in time to support this Annual Report.
• Coordination on GSP Monitoring Data - The Subbasin GSAs continue to coordinate for
collecting and reporting of GSP monitoring data. Compilation and reporting of the semi-annual
monitoring data are now conducted using the DMS.
• Additions to Subbasin-Wide Monitoring Protocols - To further support the GSA managers in
tracking the Subbasin-wide performance of the GSP monitoring data with respect to their GSP
sustainable management criteria, the DMS added a feature to email notifications to alert
agency and GSA managers when a MT exceedance occurs. Managers can also use the DMS to
track MT exceedances either through online mapping or downloading reports.
• Successful Grant Application, SGM GSP Implementation Grant Program, Round 1- The Kern
County Subbasin received a $7.6 million Round 1 sustainable groundwater management (SGM)
grant for critically overdrafted basins under the Sustainable Groundwater Management (SGM)
Grant Program SGMA Implementation grant authorized by the California Budget Act of 2021
and Proposition 68. The grant supports projects that encourage sustainable management of
groundwater resources as required by SGMA. The contract between DWR and the
representative for the Kern County Subbasin GSAs was signed on August 8, 2022 and includes
the following components.
o Grant Component: Basin Study -The Kern County Subbasin Study consists of a
systematic, subbasin-wide analysis to address technical data gaps in the
hydrogeological conceptual model (HCM), water budgets and model calibration. The
WY 2022 Annual Report
Kern County Subbasin ES-8 TODD GROUNDWATER
existing C2VSimFG-Kern model will be upgraded to a Kern County Subbasin focused
model. The Basin Study will provide the framework for more refined water budget
analyses to support ongoing GSP planning and implementation. The results of the Basin
Study will support local water managers, policy makers and stakeholders with multiple
technical, policy, water rights and legal issues.
o Grant Component: Evapotranspiration Analysis & Study — Field By Field - In WY 2022,
the Subbasin GSAs worked with Land IQ to expand their ET monitoring service to all
irrigated agricultural areas within the Subbasin. Irrigated agriculture represents the
largest water use within the Subbasin; this method will improve calculation of ET on a
field and crop basis. LandlQ will provide monthly ET data starting in WY 2023.
o Grant Component: Land Subsidence Investigations and Monitoring - The Subbasin
GSAs supported implementation of a regional land subsidence investigation to improve
the land subsidence monitoring program (Coordination Agreement, Appendix 3). This
regional effort was developed to supplement the local land subsidence monitoring
focused on potential impacts to critical infrastructure of regional importance. The
Subbasin GSAs are working in consultation with the United States Geological Survey
(USGS) and the Friant Water Authority to plan, design and install an new extensometer
device along the Friant-Kern Canal to assess the causes and magnitude of subsidence
along this critical regional infrastructure.
o Grant Component: Monitoring Wells - Funding to support improvements to existing
monitoring network throughout the Kern subbasin by repairing existing monitoring,
video water wells for screening, convert existing municipal and/or ag wells to
monitoring wells. This will include the ability to video a minimum of 20 water wells for
screening, convert existing municipal and/or ag wells to monitoring wells, and repair
existing monitoring wells.
WY 2022 Annual Report
Kern County Subbasin ES-9 TODD GROUNDWATER
Table ES-6. GSP Implementation Summary for WY 2022
Buena
BVWSD GSA
Continued progress on 3 new recharge facilities: 71 acres in
_ _ _ -
Reduced demand by 2,800 AFY
Vista
(Section 7.3, 2))
escrow, negotiating 30-year lease on 85 acres, meeting regulations
by purchasing land to take out
GSP
for 2,072 ac water bank.
of production.
Henry
Henry Miller WD
Optimized recharge and recovery of Pioneer Project banked water
Purchased supplemental water
Miller
GSA
including banking and recharge for overdraft correction.
to increase banked supply.
GSP
(Section 7.4, 2))
Cawelo WD GSA
New water purchase negotiations; worked with landowners on
Adopted KGA Action Plan for
(Section 7.5.1, 2))
private banking projects; review treatment for recycled produced
MT Exceedance tracking and
water; supported Phase 2 of F-K Canal.
response.
Eastside WMA
Continued TDS/Nitrate monitoring; construction of aquifer -specific
Cooperating with Basin Study
(Section 7.5.2, 2))
monitoring wells; planning for transducers; planning for surface
on sustainable yield — will
t
water capture project.
support water transfer credits.
KCWA Pioneer
Balanced pumping to mitigate any MT exceedances while
MA1— Continued
GSA
continuing sustainable operations.
demonstration of maintaining
(Section 7.5.3, 2))
a positive cumulative water
Kern Water Bank
Recovered 188,000 AF from banking program in WY 2022.
Continued operation under
(Section 7.5.4, 2))
Continued involvement with other GSAs' implementation
Long-term Operations Plan.
strategies for local storage (as referenced in Section 7).
Kern -Tulare WD
Assisted landowners with metering requirements (90%active
Passed Proposition 218
GSA
irrigation wells metered); worked on CRC Pipeline Project (design
election for extraction charges;
(Section 7.5.5, 2))
90% complete); FS for 2 new surface reservoirs
groundwater studies ongoing.
NKWSD and SWID
Proposition 218 election (in progress) to fund recharge projects
s
Coordinated on MT
(Section 7.5.6, 2))
(Bell project in construction); CEQA compliance for Landowner
Exceedance Plan; adopted
KGA
Banking Program; completed canal lining.
domestic well mitigation plan.
GSP
Rosedale -Rio
Completed construction of McCaslin recharge ponds; conducted
Continued tracking for two
Bravo GSA
pilot project for Onyx Ranch water deliveries; CEQA compliance on
demand reductions programs
(Section 7.5.7, 2))
James recharge project; 60% design regional Kern Fan water bank.
(in -district and white lands.
Semitropic WSD
Initiated construction of Leonard Ave. Project; evaluated 1,600
MA1: Provided landowner
GSA (Section
acres for recharge.
budgets; MA2: Presented Draft i
7.5.8, 2))
tiered pricing for extractions.
Shafter-Wasco ID
Reduced irrigation demand by 1,566 AF through Voluntary
Adopted domestic well
7"Std Annex
Rotational Land Fallowing Program.
mitigation plan;
(Section 7.5.9,2))
SSJMUD GSA
Completed construction of 78-ac Giumarra p recharge basin; in Final
Approved domestic well
(Section 7.5.10, 2))
i Design for 75-ac Regan recharge area; continued design/permits
mitigation & MT exceedance
for in -district recharge projects and SSJMUD/NKWSD intertie.
plans; Assess consumptive use
West Kern WD
Installed 3,401 AMR systems in Automatic Meter Reading Project;
Continued balanced pumping
GSA (Section
Participated in funding and CEQA compliance of Delta Conveyance
and recharge; coordinated
7.5.11, 2))
Facility; Coordinate water supply management for BVARA.
with Basin -wide management.
WDWA GSA
Continued monitoring to fill hydrogeologic data gaps from lack of
Progress on management
(Section 7.5.12, 2))
i significant groundwater use; continued supplemental water
actions combined with Projects
i
purchases; Feasibility Study for reuse of brackish groundwater.
(see text to left).
Kern
Kern River GSA
Obtained 4,407 AF transfer water in WAP; Recharged 14,136 AF
Recharged water to benefit
River
(Section 7.6, 2))
along KR; used 22,830 AF recycled water; funded Delta Conveyance
GW declines; supported small
GSA
for 82,946 AF supply; Completed bids for CVC Lining.
water system consolidation
Olcese
Olcese GSA
Continued assessment of transducer data from to support
Initiated study on vertical
GSA
(Section 7.7, 2))
hydrogeologic studies; developed subsidence monitoring network
hydraulic connection between
GSP
along OWD canal (included in July 2022 Amended GSP).
local aquifer systems.
Arvin GSA
.............................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Began construction of Sunset recharge facility; expanded acres for
Installed pumping meters at 50
(Section 7.8.1, 2))
On -Farm Recharge; began construction on pipeline and Eastside
sites; installed wells for arsenic
Canal intertie with KRGSA; Continued progress on in -lieu banking.
mitigation; WQ sampling.
' SOKR
TejoWD
Coordinated
converting quarry to mated with AEWS
Don con g q y reservoir;
Continued management of
GSAnSection
(
recharged 202.22 AF of carrot wash
g sh water.
land use and extraction
GSP
7.8.2, 2 ))
restrictions under RWMP.
Wheeler Ridge-
Purchased 14,087 AF of additional SWP water; recovered 52,500
Retired irrigated lands at new
Maricopa GSA
AF banked water; continued funding of Delta Conveyance Project;
solar generation facility;
(Section 7.8.3, 2))
explored treatment for saline GW to mitigate local pumping.
studied potential assessments.
WY 2022 Annual Report
Kern County Subbasin ES-10 TODD GROUNDWATER