Groundwater Banking Toward Sustainable Groundwater in Agriculture Conference An Overview of Operations and Challenges Due to Surface Water Restrictions Where Is Kern County? Toward Sustainable Groundwater in Agriculture Conference California’s Hydrology Very Wet Very Wet Rain does not fall where fall where people live Very Dry Very Dry Very Dry Very Dry Toward Sustainable Groundwater in Agriculture Conference How is Water Moved in California? Lake Oroville Lake Shasta Sacramento-San Joaquin Delta Folsom Lake Madera Canal Friant-Kern Canal Isabella Reservoir San Luis Reservoir Delta Mendota Canal Kern County California Aqueduct Toward Sustainable Groundwater in Agriculture Conference Kern County Agriculture About one third of About one-third of Kern’s area is on the valley floor, which is intensively cultivated. There There are are over 800 000 irrigated acres over 800 000 irrigated acres on the valley floor one on the valley floor one- There There are are over 800,000 irrigated acres over 800,000 irrigated acres on the valley floor, one on the valley floor, one- third of which were permanent crops, in process of expanding third of which were permanent crops, in process of expanding permanent and decreasing annual. permanent and decreasing annual. Kern consistently ranks 3rd or 4th in the state in value of production. Toward Sustainable Groundwater in Agriculture Conference Irrigated Acreage 800000 900000 600000 700000 cres 300000 400000 500000 Ac 100000 200000 300000 0 100000 1920 1930 1940 1950 1960 1970 1980 1990 2000 2007 Toward Sustainable Groundwater in Agriculture Conference
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Groundwater Banking Where Is Kern County?ag-groundwater.org/files/56572.pdf · Groundwater Banking ... Delano-Earlimart Rag Gulch WD Kern County Water Districts ID Kern-Tulare WD
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Groundwater BankingToward Sustainable Groundwater in Agriculture Conference
An Overview of Operations and Challenges Due to Surface Water
Restrictions
Where Is Kern County?
Toward Sustainable Groundwater in Agriculture Conference
California’s Hydrology
Very WetVery Wet Rain does not
fall wherefall where people live
Very DryVery DryVery DryVery Dry
Toward Sustainable Groundwater in Agriculture Conference
How is Water Moved in California?
Lake OrovilleLake Shasta
Sacramento-San Joaquin Delta
Folsom Lake
Madera Canal
Friant-Kern Canal
Isabella Reservoir
San Luis Reservoir
Delta Mendota CanalKern County
California Aqueduct
Toward Sustainable Groundwater in Agriculture Conference
Kern County Agriculture
About one third of About one-third of Kern’s area is on the valley floor, which is intensively cultivated.
ThereThere areare over 800 000 irrigated acresover 800 000 irrigated acres on the valley floor oneon the valley floor one-- There There are are over 800,000 irrigated acres over 800,000 irrigated acres on the valley floor, oneon the valley floor, one--third of which were permanent crops, in process of expanding third of which were permanent crops, in process of expanding permanent and decreasing annual.permanent and decreasing annual.
Kern consistently ranks 3rd or 4th in the state in value of production.
Toward Sustainable Groundwater in Agriculture Conference
Irrigated Acreage
800000
900000
600000
700000
cres
300000
400000
500000Ac
100000
200000
300000
0
100000
1920 1930 1940 1950 1960 1970 1980 1990 2000 2007
Toward Sustainable Groundwater in Agriculture Conference
Top Ten Commodities – Kern County 2008
1. Milk, Market & Manufacturing
2 Grapes all
$ 602
$ 562
Millions
2. Grapes, all
3. Citrus, all
4. Almonds (including by-products)
5 C t (f h & i )
$ 562
$ 487
$ 387
5. Carrots (fresh & processing)
6. Hay, Alfalfa
7. Cattle & Calves
$ 378
$ 283
$ 221
8. Pistachios
9. Potatoes, all
10. Silage & Forage
$ 192
$ 93
$ 9210. Silage & Forage $ 92
Toward Sustainable Groundwater in Agriculture Conference
A l A (1970 2007)
Kern County Water Sources
Percent AF/Year
Kern River 20% 760,000
State Water Project 1 23% 840 000
Annual Average (1970-2007)
State Water Project 23% 840,000
Federal (CVP) 11% 400,000
Local Streams and other sources 9% 320,000,
Groundwater
Landowner/Districts (Basin) 37% 1,400,000
In-County Banking
Conservation/Fallowing
TOTAL 100% 3,720,000 2
1Maximum annual State Water Project allocation of Table A water is about 1,000,000 acre-feet (AF)
2Applied water
Toward Sustainable Groundwater in Agriculture Conference
Delano-Earlimart Rag Gulch WD
Kern County Water Districts
ID
Kern-Tulare WD
Devils Den WDIsabella
Reservoir
46
Semitropic WSD
Southern San
Joaquin MUD
North Kern
Lost Hills WD
Berrenda Mesa WD
46
Olcese
5Rosedale-Rio Bravo
WSD
Shafter-Wasco
ID
WSD Cawelo WD
I5
33
178
Belridge WSD
B k fi ld
Sources of Supply
WD58
KERN RIVER DISTRICTS740 000 af
KCWA Improvement District No. 4
Kern Delta WDHenry
Arvin-Edison WSD11933
58
BakersfieldCross Valley Canal
CVP FRIANT-KERN DISTRICTS387,000 af
CVP CVC DISTRICTS
5
166
740,000 afTehachapi-Cummings
CWDWheeler Ridge-Maricopa WSD
West Kern WD
Henry Miller WD
184
I5
99
I5
KCWA SWP MEMBER UNITS1961 – 1,000,000 af2005 – 700,000 af2009 530 000 af
4 0 4 8
Tejon-Castac WD
53,000 af
Lebec CWD
2009 – 530,000 af
Toward Sustainable Groundwater in Agriculture Conference
Water Supplies and Demands, SJV Portion of Kern
4000000
4500000
5000000
3000000
3500000
4000000-f
eet
Additions toGroundwater
1500000
2000000
2500000
Acr
e- Storage
WithdrawalsfromGroundwaterStorage
500000
1000000
1500000
0
1970
1972
1974
1976
1978
1980
1982
1984
1986
1988
1990
1992
1994
1996
1998
2000
2002
2004
2006
Local CVP SWP Net Water Requirements
Toward Sustainable Groundwater in Agriculture Conference
Four Keys to Success with Groundwater Banking
Multiple Water Supplies
Facility Infrastructure
Local Management and Support
Soils, Geology, Good Water
Quality pp
Toward Sustainable Groundwater in Agriculture Conference
Kern County Groundwater Banking Programs
Delano-Earlimart ID Rag Gulch WD
Kern-Tulare WD
Southern San
Joaquin MUDSemitropic
Lost Hills WD
Berrenda Mesa WD
Devils Den WD Isabella Reservoir
California Aqueduct
Semitropic Semitropic WSD
City of Bakersfield 2,800 AcresBerrenda Mesa BankingPioneer BankingKern Water Bank5
55
5 43
4633
46North Kern WSD Cawelo
WDShafter-
Wasco ID
Semitropic WSD
Belridge WSD
WSDWSD
Cawelo WD
North Kern WSD
Kern Water BankSemitropic/MWD/et al BankingArvin-Edison/MWD BankingID4/KTRG Banking
5
5
5
5
5
43
58
58
Rosedale-Rio Bravo WSD KCWA
Improvement District No.
4 Arvin
Bakersfield
Arvin- Kern Delta/MWD BankingElk Hills
Rosedale-Rio Bravo WSD KCWA
Improvement District No. 4
ID4/KTRG BankingBuena Vista BankingRosedale-Rio Bravo Banking