WESTLANDS W.D.Central Valley Project viaDelta Mendota Canal and

San Luis Reservoir

CALAVERAS CO. W.D.Calveras River and New Hogan Reservoir

Stanislaus River and Lake TullochMokelumne River

SANTA CLARA VALLEY W.D.State Water Project via South Bay Aqueduct

Central Valley Project via Delta Mendota CanalHetch Hetchy Reservoir via Bay Division Pipe

GroundwaterAlamaden, Anderson, Calero, Chesboro

Coyote, Guadalupe, Lexington,Stevens Creek, Uvas and Vasona Reservoirs

SONOMA COUNTY W.A.Lake Pillsbury, Lake Mendocino

Lake Sonoma and the Russian River

TUOLUMNE U.D.Lyons Reservoir

AMADOR W.A.Mokelumne River

Lake Tabeaud

NEVADA I.D.Lake Spaulding

Middle and South Yuba RiverBear River

North Fork American River

FRESNO I.D.Kings River

Central Valley Project viathe Friant-Kern Canal

EAST BAY M.U.D.Mokelumne River via Padree Reservoir,

Mokelumne Aqueduct and Lafayette AqueductBriones, Chabot, Lafayette, San Pablo and

Upper San Leandro Reservoirs

TURLOCK I.D.Tuolumne River andDon Pedro Rersevoir

MERCED I.D.Merced River

Lake McSwainLake McClure

SAN FRANCISCO P.U.C. Hetch Hetchy Reservoir

Calveras, San Antonio, Crystal SpringsSan Andreas, Pilarcitos Reservoirs

EL DORADO I.D.American and Consumes Rivers

Folsom, Bass and Jenkinson LakeWeber Reservoir

ZONE 7 ALAMEDA CO.State Water Project via Bethany Res.

and South Bay AqueductGroundwater

Del Valle Reservoir

YOLO COUNTY F.C.W.C.D.Clear Lake, Cache CreekIndian Valley Reservoir

MODESTO I.D.Tuolumne River and Don Pedro Reservoir

Groundwater

MARIN M.W.D.Lagunitas, Pheonix, Alpine, Bon Tempe, Kent, Nicasio and Soulajule Reservoirs

Russian River

STOCKTON-EAST W.D.Calevares River

New Melones andNew Hogan Reservoirs via

the Farmington Canal

MONTEREY PENINSULA W.M.D.Carmel River

San Clemente and Los Padres ReservoirGroundwater

YUBA CO. W.AYuba River

Jackson Meadows and New Bullards Bar Reservoirs

PLACER CO. W.A.Lake Spaulding

CITY OF NAPA W.S.AMiliken Reservoir and Lake Hennessey

State Water Project via North Bay Aqueduct

GEORGETOWN DIVIDE P.U.D.Stumpy Meadows Reservoir

SACRAMENTO CO W.A.Groundwater

American and Sacramento Rivers

CITY OF SACRAMENTO W.S.ASacramento and American Rivers

Groundwater

ALAMEDA CO. W.D.State Water Project

Hetch Hetchy ReservoirAlameda Creek Watershed

GRASSLANDS W.D.Central Valley Project viathe Delta-Mendota Canal

NORTH MARIN W.D.Lake Pillsbury, Lake Mendecino andLake Sonoma via the Russian River

Stafford Lake

TRUCKEE-DONNER P.U.DGroundwater

CITY OF ROSEVILLE W.D.Lake Folsom

SACRAMENTO SUBURBAN WD

GroundwaterLake Folsom

RIO LINDA WDGroundwater

CONTRA COSTA W.D.Central Valley Project via Contra Costa Canal

Martinez, Contra Loma, Mallardand Los Vaqueros Reservoirs

UKIAH P.U.Lake Pillsbury, Lake Mendocino

and the Russian River

TRACY P.U.Central Valley Project via

Delta-Mendota CanalGroundwater

MANTECA P.W.Groundwater

SAN FELIPE RESERVOIRCENTRAL VALLEY PROJECTSan Benito County W.D.

SAN BENITO CO. W.D.Central Valley Project via

San Felipe ReservoirGroundwater

CALIFORNIA WATER SERVICE CO.Groundwater

CITY OF VACAVILLE P.W.Lake Berryessa via Putah South Canal

State Water Project via North Bay AqueductGroundwater

CITY OF VALLEJO P.W.Lake Berryessa via Putah South Canal

State Water Project via North Bay AqueductSOLANO COUNTY W.A.

Lake Berryessa via Putah South CanalState Water Project via North Bay Aqueduct

Groundwater

REDWOOD CITY P.W.S.Hetch Hetchy Reservoir

CLEAR LAKEYolo Co. F.C.W.C.D.

LAKE OROVILLESTATE WATER PROJECT

LAKE FOLSOMCity of Roseville W.D.El Dorado I.D.Sacramento Suburban W.D.

SAN LUIS RESERVOIRCENTRAL VALLEY PROJECTSanta Clara Valley W.D.Westlands W.D.

DON PEDRO RESERVOIRModesto I.D.Turlock I.D.

LAKE SONOMAMarin M.W.D.North Marin W.D.Sonoma Co. W.A.

LAKE MCCLUREMerced I.D.

MADERA CANALCENTRAL VALLEY PROJECT

NEW HOGAN LAKECalaveras Co. W.D.Stockton-East W.D.

INDIAN VALLEY RES.Yolo Co. F.C.W.C.D.

NEW BULLARDS BAR RES.Yuba Co. W.A.

LAKE PILLSBURYMarin M.W.D.North Marin W.D.Sonoma Co. W.A.Ukiah P.U.

LAKE MENDOCINOMarin M.W.D.North Marin W.D.Sonoma Co. W.A.Ukiah P.U.

HETCH HETCHY RESERVOIRAlameda Co. W.D.San Francisco P.U.C.Santa Clara Valley W.D.Redwood City P.W.S.

CALAVERAS RES.San Francisco P.U.C.

NEW MELONES LAKEStockton-East W.D.

ANDERSON LAKESanta Clara Valley W.D.

LOS VAQUEROS RES.Contra Costa W.D.

LAKE DEL VALLEZone 7 Alameda Co.

PADREE RESERVOIREast Bay MUD

NICASIO RES.Marin M.W.D.

TULLOCH RESERVOIRCalaveras Co. W.D.

LAKE SPAULDINGPlacer Co. W.A.Nevada I.D.

LAKE HENNESSEYCity of Napa W.S.A.

JACKSON MEADOW RES.Yuba Co. W.A.

SAN PABLO RES.East Bay MUD

SAN ANTONIO RES.San Francisco P.U.C.

JENKINSON LAKEEl Dorado I.D.

BRIONES RES.East Bay MUD

KENT LAKEMarin M.W.D.

UPPER SAN LEANDRO RES.East Bay MUD

SAN ANDREAS LAKESan Francisco P.U.C.

CRYSTAL SPRINGS RES.San Francisco P.U.C.

LAKE CHABOTEast Bay MUD

CALERO RESERVOIRSanta Clara Valley W.D.

ALPINE LAKEMarin M.W.D.

LEXINGTON RESERVOIRSanta Clara Valley W.D.

UVAS RESERVOIRSanta Clara Valley W.D.

LAKE MCSWAINMerced I.D.

STUMPY MEADOWS RES.Georgetown Divide P.U.D.

CHESBORO RESERVOIRSanta Clara Valley W.D.

MALLARD RES.Contra Costa W.D.

STAFFORD LAKENorth Marin W.D.

BETHENY RESERVOIRSTATE WATER PROJECTZone 7 Alameda Co.

BASS LAKEEl Dorado I.D.

LYONS RESERVOIRTuolumne U.D.

PILARCITOS LAKESan Francisco P.U.C.

LOS PADRES RESERVOIRMonterey Peninsula W.M.D.

STEVENS CREEK RES.Santa Clara Valley W.D.

TIGER CREEK RESERVOIRAmador W.A.

VASONA RESERVOIRSanta Clara Valley W.D. GUADALUPE RESERVOIR

Santa Clara Valley W.D.

ALMADEN RESERVOIRSanta Clara Valley W.D.

CONTRA LOMA RES.Contra Costa W.D.

SAN CLEMENTE RESERVOIRMonterey Peninsula W.M.D.

TUOLUMNE RIVERAlameda Co. W.D.San Francisco P.U.C.Santa Clara Valley W.D.

SACRAMENTO RIVERCity of Sacramento W.S.A.Sacramento Co. W.A.

CITY OF SANTA CRUZ W.D.San Lorenzo River

Loch Lomond Reservoir

SOULAJULE RES.Marin M.W.D.

MILIKEN RESERVOIRCity of Napa W.S.A.

LAKE TABEAUDAmador W.A.

MARTINEZ RES.Contra Costa W.D.BON TEMPE LAKE

Marin M.W.D.

LAFAYETTE RES.East Bay MUD

WEBER RES.El Dorado I.D.

LAKE LAGUNITASMarin M.W.D.

NORTH BAY AQUEDUCTSTATE WATER PROJECTSolano Co. W.A.City of Napa W.S.ACity of Vacaville P.W.City of Vallejo P.W.

MOKELUMNE AQUEDUCTEast Bay MUD

CONTRA COSTA CANALCENTRAL VALLEY PROJECTContra Costa W.D.

SOUTH BAY AQUEDUCTSTATE WATER PROJECTZone 7 Alameda Co.Santa Clara Valley W.D.

ALAMEDA CREEKAlameda Co. W.D.

HETCH HETCHY AQUEDUCTAlameda Co. W.D.San Francisco P.U.C.Santa Clara Valley W.D.Redwood City P.W.S.

CALAVERAS RIVERCalaveras Co. W.D.Stockton-East W.D.

HETCH HETCHY AQUEDUCTAlameda Co. W.D.San Francisco P.U.C.Santa Clara Valley W.D.Redwood City P.W.S.

MERCED RIVERMerced I.D.

TUOLUMNE RIVERModesto I.D.Turlock I.D.

MOKELUMNE AQUEDUCTEast Bay MUD

MOKELUMNE RIVERAmador W.A.Calaveras Co. W.D.East Bay MUD

STANISLAUS RIVERCalaveras Co. W.D.

AMERICAN RIVERCity of Sacramento W.S.A.El Dorado I.D.Sacramento Co. W.A.

CONSUMES RIVEREl Dorado I.D.

CACHE CREEKYolo Co. F.C.W.C.D.

RUSSIAN RIVERMarin M.W.D.North Marin W.D.Sonoma Co. W.A.Ukiah P.U.

DELTA - MENDOTA CANALCENTRAL VALLEY PROJECTGrasslands W.D.Santa Clara Valley W.D.Tracy P.U.Westlands W.D.

CARMEL RIVERMonterey Peninsula W.M.D.

PINE FLAT RESERVOIRFresno I.D.

KINGS RIVERFresno I.D.

FRIANT-KERN CANALCENTRAL VALLEY PROJECTFresno I.D.

MIDDLE FORK YUBA RIVERNevada I.D.

BEAR RIVERNevada I.D.

NORTH FORK AMERICAN RIV.Nevada I.D.

YUBA RIVERYuba Co. W.A.

FEATHER RIVERSTATE WATER PROJECT

FEATHER RIVER NORTH FORKSTATE WATER PROJECT

FEATHER RIVER MIDDLE FORKSTATE WATER PROJECT

CALIFORNIA AQUEDUCTSTATE WATER PROJECT

TEHAMA-COLUSA CANALCENTRAL VALLEY PROJECT

SOQUEL CREEK W.D.Groundwater

LOCH LOMOND RESERVOIRCity of Santa Cruz W.D.

SAN LORENZO RIVERCity of Santa Cruz W.D.

LAKE BERRYESSASolano Co. W.A.City of VacavilleCity of Vallejo

CITY OF LODI W.U.Groundwater

SOUTH PUTAH CANALSolano County W.A.City of Vacaville P.WCity of Vallejo P.W.

Ione

Galt

Selma

Huron

Dixon

Delhi

Davis

Colma

Chico

Ceres

Calwa

Winton

Sonora

Sonoma

Sanger

Salida

Quincy

Orland

Newman

Madera

Laguna

Kerman

Gilroy

Fresno

Fowler

Florin

Durham

Dinuba

Colusa

Clovis

Auburn

Arnold

WintersWindsor

Willows

Willits

Soledad

Seaside

Salinas

Rocklin

Parlier

Palermo

Mendota

Manteca

Magalia

Lincoln

Lemoore

Jackson

Hayward

Gustine

Gridley

Corning

Concord

Atwater

Antioch

Alameda

Woodland

Stockton

Saratoga

Petaluma

Paradise

Oroville

Oakhurst

Monterey

Milpitas

Corcoran

Coalinga

Capitola

Yuba City

Waterford

San Ramon

San Mateo

San Bruno

Riverbank

Prunedale

Pittsburg

Patterson

Palo Alto

Richmond

Livermore

King City

HollisterFirebaugh

Fairfield

Elk Grove

Dos Palos

Cupertino

Clearlake

Calistoga

St. Helena

Santa Rosa

Olivehurst

Livingston

Healdsburg

Greenfield

Fort Bragg

Cloverdale

Watsonville

Santa Clara

Nevada City

Mill Valley

Castroville

Rohnert Park

Grass Valley

Cameron Park

Arden-Arcade

Scotts Valley

Half Moon Bay

Castro Valley

Rancho Cordova

Citrus Heights

North Highlands

Carmel-by-the-Sea

Phoenix Lake-Cedar Ridge

Pinole

Novato

Merced

Turlock

Oakdale

Modesto

Fremont

San Jose

Martinez

Los Banos

Tara HillsSan Rafael

Placerville

Morgan Hill

Walnut Creek

Sacramento R

Merced R

Old R

Tuolumne R

Russian R

N Yuba R

Feather R, M Fk

Bear R

American R, N Fk

American R, S Fk

Merced R, S Fk

Cosumnes R, N Fk

Feathe

r R, S

Fk

Feath

er R

Mokel

umne

R

Cache Creek

Stanis

laus R

, N Fk

Tuolumne R, N Fk

Cosumnes R, M Fk

Kings R

San Lorenzo R

Tuolumne R, M Fk

Cosumnes R

San Joaquin RCalaveras R

Tuolumne R, S Fk

Mokelumne R, S Fk

Cosumnes R, S Fk

Feathe

r R, N

Fk

Russian

R, E Fk

Alameda Creek

Yuba R

Kings R, M Fk

San J

oaqu

in R,

M Fk

Mokelumne R, N Fk

Carmel R

Stanislaus R, M Fk

Americ

an R, M

Fk

Merced R, N Fk

Kings R, N Fk

Stanislaus R, Clark Fk

WHERE DOES OUR WATER COME FROM?

No Water from Local Source

1 - 25% of Water from Local Source

26 - 75% Water from Local Source

76 - 100% of Water from Local Source

WATER DISTRICTSCategorized by Origin of Water Source

File: \\projects\exta\waterdistricts_48x52.pdf Date: March, 2007 By: Eszter Tompos PG&E GIS Unit

Information on the map is based on web research and telephone interviews with select water district representatives. The resulting data represents only a cursory search of available resources; it should not be construed as comprehensive and it may not accurately reflect actual conditions.

WATER SOURCEWater Distict Served

WATER DISTRICTSources of Water

³

NORTHERN CALFORNIAWATER DISTRICTS &WATER SUPPLY SOURCES

Scale 1: 375,000

0 5 10 15 20 Miles

The State Water Project is operated by the California Department ofWater Resources and it serves about 70% of California's population. It is a system of lakes, rivers, reservoirs and aqueducts that span from the Feather River tributary to 600 miles south via the California Aqueduct.

California Aqueduct

Sacramento River

Feather River

Feather R. Middle Fork

Old R San Joaquin River

North Bay Aqueduct

Feather R. North Fork

South Bay Aqueduct

Lake Oroville

San Luis Reservoir

Lake DavisFrenchman Lake

Lake Del Valle

Betheny Reservoir

State Water Project

The Central Valley Project has been founded by the U.S. Bureau of Reclamation in 1935 to manage the water of the Sacramento and San Joaquin River Basin. It is a system of lakes, rivers, canals and reservoirs that spans from Lake Shasta in the north to the Kern River near Bakersfield. It serves both the San Francisco Bay Area as well as the farmlands of the San Joaquin Valley.

Shasta Lake

Folsom Lake

San Luis Reservoir

Millerton Lake

New Melones Lake

Sacramento River

Friant-Kern Canal

Delta-Mendota Canal

American River

Tehama-Colusa Canal

Old River

San Joaquin R.

Stanislaus R

Contra Costa Canal

Madera Canal

Kern River

Central ValleyProject