Large Systems in California

126 large systems in California, ranked by infrastructure stress score.

Community water systems serving more than 100,000 people. Large systems typically have more organizational capacity and diversified revenue streams, but face correspondingly larger capital replacement needs and regulatory complexity.

SystemPop. ServedMISIBand

LOS ANGELES-CITY, DEPT. OF WATER & POWER3.9M41.397Fragile

EAST BAY MUD1.4M34.589Watch

SAN DIEGO, CITY OF1.4M26.456Watch

SAN JOSE WATER COMPANY1.0M38.047Watch

SFPUC CITY DISTRIBUTION DIVISION848K42.049Fragile

EASTERN MUNICIPAL WD667K28.103Watch

CITY OF FRESNO546K34.712Watch

CITY OF SACRAMENTO MAIN528K34.712Watch

LONG BEACH-CITY, WATER DEPT.467K40.633Fragile

IRVINE RANCH WATER DISTRICT445K46.510Fragile

CITY OF ANAHEIM349K41.899Fragile

ALAMEDA COUNTY WATER DISTRICT344K30.924Watch

CITY OF SANTA ANA311K36.713Watch

SACRAMENTO CITY-DIV WTR & SWR310K14.712Stable

CHINO BASIN MWD300K22.163Watch

RIVERSIDE, CITY OF298K26.186Watch

SANTA CLARITA WATER DIVISION F294K32.934Watch

GSWC - SOUTHWEST278K32.934Watch

HELIX WATER DISTRICT278K30.202Watch

COACHELLA VWD: COVE COMMUNITY270K31.932Watch

CWS - BAKERSFIELD268K30.202Watch

SAN GABRIEL VALLEY WATER CO.-EL MONTE248K41.860Fragile

OTAY WATER DISTRICT238K26.456Watch

SAN GABRIEL VALLEY WC - FONTANA238K24.182Watch

MODESTO, CITY OF219K30.202Watch

SAN BERNARDINO CITY215K30.180Watch

CUCAMONGA VALLEY WATER DISTRICT211K24.182Watch

CITY OF HUNTINGTON BEACH201K29.097Watch

OXNARD WATER DEPT200K33.865Watch

CONTRA COSTA WATER DISTRICT198K32.839Watch

SACRAMENTO SUBURBAN WATER DISTRICT194K34.712Watch

CITY OF STOCKTON191K35.341Watch

SWEETWATER AUTHORITY191K30.202Watch

GLENDALE-CITY, WATER DEPT.189K38.511Watch

MARIN MUNICIPAL WATER DISTRICT187K16.295Stable

ONTARIO MUNICIPAL UTILITIES COMPANY185K35.094Watch

SCWA - LAGUNA/VINEYARD185K39.128Watch

CALIFORNIA WATER SERVICE - STOCKTON176K24.208Watch

SANTA ROSA, CITY OF175K30.289Watch

CITY OF GARDEN GROVE174K32.843Watch

OCEANSIDE, CITY OF171K34.712Watch

MOULTON NIGUEL WATER DISTRICT170K36.589Watch

ELSINORE VALLEY MWD169K36.359Watch

SUBURBAN WATER SYSTEMS-SAN JOSE F169K38.138Watch

CORONA, CITY OF169K52.677Fragile

SANTA MARGARITA WATER DISTRICT168K32.843Watch

PASADENA-CITY, WATER DEPT.164K41.107Fragile

CITY OF HAYWARD163K22.930Watch

BAKERSFIELD, CITY OF160K33.948Watch

CITY OF SUNNYVALE158K32.025Watch

CITY OF ROSEVILLE156K28.186Watch

CALIFORNIA WATER SERVICE CO. - ELA F152K29.188Watch

POMONA - CITY, WATER DEPT.152K35.931Watch

CWS - VISALIA148K31.865Watch

RANCHO CALIFORNIA WATER DISTRICT146K31.932Watch

CALIFORNIA WATER SERVICE CO. - DOMINGUEZ144K32.934Watch

CITY OF FULLERTON139K36.713Watch

ESCONDIDO, CITY OF137K26.456Watch

VICTORVILLE WATER DISTRICT136K32.180Watch

JURUPA COMMUNITY SD135K23.934Watch

VISTA IRRIGATION DISTRICT132K33.865Watch

EL DORADO ID - MAIN132K34.571Watch

CITY OF SANTA CLARA131K34.094Watch

CITY OF CLOVIS130K28.202Watch

PALMDALE WATER DIST.127K27.188Watch

CWSC SALINAS124K26.456Watch

CITY OF VALLEJO121K25.204Watch

CITY OF ORANGE121K29.097Watch

CITY OF FAIRFIELD120K31.133Watch

CITY OF ANTIOCH115K30.841Watch

CAL-WATER SERVICE CO.-CHICO115K34.912Watch

GOLDEN STATE WC - WEST ORANGE114K29.097Watch

VALLECITOS WD114K34.155Watch

VENTURA WATER DEPARTMENT114K33.948Watch

DOWNEY - CITY, WATER DEPT.111K32.185Watch

GREAT OAKS WC, INC.110K37.091Watch

AZUSA LIGHT AND WATER110K27.188Watch

MESA WATER DISTRICT110K29.097Watch

SANTA MARIA WATER DEPARTMENT109K22.462Watch

EAST VALLEY WATER DISTRICT109K40.643Fragile

TORRANCE-CITY, WATER DEPT.106K37.182Watch

CALIFORNIA-AMERICAN WATER CO106K26.663Watch

BURBANK-CITY, WATER DEPT.106K32.972Watch

CITY OF DALY CITY105K37.182Watch

WEST VALLEY WATER DISTRICT104K27.928Watch

CALIFORNIA WATER SERVICE - SAN MATEO102K29.184Watch

CITY OF SAN JOSE - EVG/EDV/COY101K25.351Watch

WALNUT VALLEY WATER DISTRICT101K29.188Watch

HESPERIA WD101K32.682Watch

SOUTH TAHOE PUD - MAIN100K29.331Watch

BARTLETT PARK66K18.375Stable

PRAIRIE CITY SVRA18K14.712Stable

SHASTA DISTRICT FAIR10K10.996Stable

CALTRANS, WHITEWATER REST AREA10K10.996Stable

EBRPD - DEL VALLE REGIONAL PARK10K17.353Stable

GIBSON RANCH COUNTY PARK10K14.712Stable

Green Valley Campground10K16.690Stable

BUTTE-GLENN COMMUNITY COLLEGE DIST10K22.154Watch

Graton Resort and Casino10K12.504Stable

Santa Rosa Tachi Palace9K14.712Stable

RANCHO MARIA GOLF CLUB INC9K7.040Stable

DEPARTMENT OF TRANSPORTATION9K14.712Stable

Barona9K14.712Stable

Chukchansi Gold Resort & Casino8K7.040Stable

Cabazon Water Dist. - Attn: Calvin Louie7K10.996Stable

Thunder Valley Casino7K10.996Stable

CALTRANS, CACTUS CITY REST AREA7K10.996Stable

CAL TRANS ERRECA REST AREA6K18.375Stable

IMPERIAL VALLEY COLLEGE6K16.690Stable

CABRILLO COLLEGE6K17.113Stable

Centro Medico Oasis5K10.996Stable

FAMOSO RACEWAY, SMOKERS INC.5K14.712Stable

SACRAMENTO INTERNATIONAL AIRPORT [SWS]5K14.712Stable

WILLOW SPRINGS RACEWAY5K14.712Stable

CHERRY AUCTION5K14.712Stable

GAVILAN JR. COLLEGE5K17.353Stable

CACHUMA LAKE COUNTY PARK4K7.040Stable

CALTRANS, BROOKSIDE REST AREA4K10.996Stable

WM. S. HART HIGH / PLACERITA JR HIGH SCH4K17.444Stable

MONTECITO LAKE RESORT4K18.375Stable

CSP-FORT ROSS STATE PARK4K12.504Stable

CALTRANS-LAKEHEAD SRRA4K10.996Stable

CSP-SALT POINT STATE PARK4K12.504Stable

JALAMA BEACH PARK4K7.040Stable

YOSEMITE NPS - MARIPOSA GROVE4K7.040Stable

PARAMOUNT FARMS - HWY 33 FACILITY3K14.712Stable