| POTRERO ELEMENTARY SCHOOL Groundwater | CA3700963 | 9 | 4 | |
| RUNNING SPRINGS WATER DISTRICT Groundwater | CA3610062 | 11 | 3 | |
| CITY OF FRESNO Groundwater | CA1010007 | 10 | 3 | |
| CITY OF ATWATER Groundwater | CA2410001 | 10 | 3 | |
| RIVERSIDE HIGHLAND WATER COMPANY Groundwater | CA3610057 | 10 | 3 | |
| CITY OF PLEASANTON Groundwater | CA0110008 | 9 | 3 | |
| LIBERTY UTILITIES - BELLFLOWER-NORWALK Groundwater | CA1910211 | 9 | 3 | |
| CITY OF SACRAMENTO MAIN Groundwater | CA3410020 | 9 | 3 | |
| CITY OF ANAHEIM Surface Water | CA3010001 | 8 | 3 | |
| CITY OF ORANGE Groundwater | CA3010027 | 8 | 3 | |
| NORCO, CITY OF Groundwater | CA3310025 | 8 | 3 | |
| BIG BEAR CITY CSD Groundwater | CA3610008 | 8 | 3 | |
| CRESTLINE VILLAGE CWD - DIVISION 10 Groundwater | CA3610015 | 8 | 3 | |
| HESPERIA WD Groundwater | CA3610024 | 8 | 3 | |
| HELENDALE COMMUNITY SERVICE DISTRICT Groundwater | CA3610112 | 8 | 3 | |
| CAL-WATER SERVICE CO.-CHICO Groundwater | CA0410002 | 7 | 3 | |
| RUBIO CANON LAND & WATER ASSOCIATION Groundwater | CA1910140 | 7 | 3 | |
| YOSEMITE SPRING PARK UTIL CO Groundwater | CA2010005 | 7 | 3 | ⚠ High Risk |
| Cal Am - Suburban Rosemont Groundwater | CA3410010 | 7 | 3 | |
| CITY OF MERCED Groundwater | CA2410009 | 4 | 3 | |
| CITY OF CLOVIS Groundwater | CA1010003 | 10 | 2 | |
| SOUTH TAHOE PUD - MAIN Groundwater | CA0910002 | 9 | 2 | |
| SANTA CLARITA VALLEY W.A.-SANTA CLARITA Groundwater | CA1910017 | 9 | 2 | |
| PICO RIVERA - CITY, WATER DEPT. Groundwater | CA1910042 | 9 | 2 | |
| GLENDALE-CITY, WATER DEPT. Surface Water | CA1910043 | 9 | 2 | |
| PICO WD Groundwater | CA1910125 | 9 | 2 | |
| SANTA CLARITA VALLEY W.A.-VALENCIA DIVIS Groundwater | CA1910240 | 9 | 2 | |
| UKIAH, CITY OF Groundwater | CA2310003 | 9 | 2 | |
| CAL AM WATER COMPANY - MONTEREY Groundwater | CA2710004 | 9 | 2 | |
| CITY OF FULLERTON Groundwater | CA3010010 | 9 | 2 | |
| RANCHO CALIFORNIA WATER DISTRICT Groundwater | CA3310038 | 9 | 2 | |
| SWEETWATER AUTHORITY Groundwater | CA3710025 | 9 | 2 | |
| LOS OSOS COMMUNITY SERVICES DISTRICT Groundwater | CA4010016 | 9 | 2 | |
| PORTERVILLE, CITY OF Groundwater | CA5410010 | 9 | 2 | |
| PINEDALE COUNTY WATER DISTRICT Groundwater | CA1010026 | 8 | 2 | |
| CWS - BAKERSFIELD Groundwater | CA1510003 | 8 | 2 | |
| DOWNEY - CITY, WATER DEPT. Groundwater | CA1910034 | 8 | 2 | |
| MONTEBELLO LAND & WATER CO. Groundwater | CA1910091 | 8 | 2 | |
| CITY OF BELL GARDENS Surface Water | CA1910108 | 8 | 2 | |
| LA HABRA HEIGHTS CWD Surface Water | CA1910218 | 8 | 2 | |
| GOLDEN STATE WC - PLACENTIA/YORBA LINDA Groundwater | CA3010035 | 8 | 2 | |
| LAKE ARROWHEAD CSD Surface Water | CA3610005 | 8 | 2 | |
| EAST VALLEY WATER DISTRICT Groundwater | CA3610064 | 8 | 2 | |
| CITY OF GILROY Groundwater | CA4310004 | 8 | 2 | |
| CITY OF REDDING Groundwater | CA4510005 | 8 | 2 | |
| MODESTO, CITY OF Groundwater | CA5010010 | 8 | 2 | |
| CERES, CITY OF Groundwater | CA5010028 | 8 | 2 | |
| CALIFORNIA WATER SERVICE - LIVERMORE MX | CA0110003 | 7 | 2 | |
| GOLDEN HILLS CSD Groundwater | CA1510045 | 7 | 2 | |
| GSWC - CLAREMONT Groundwater | CA1910024 | 7 | 2 | |
| SUBURBAN WATER SYSTEMS-LA MIRADA Groundwater | CA1910059 | 7 | 2 | |
| ORCHARD DALE WATER DISTRICT Groundwater | CA1910101 | 7 | 2 | |
| POMONA - CITY, WATER DEPT. Groundwater | CA1910126 | 7 | 2 | |
| SOUTH MONTEBELLO IRRIGATION DIST. Groundwater | CA1910153 | 7 | 2 | |
| VALENCIA HEIGHTS WATER CO. Surface Water | CA1910163 | 7 | 2 | |
| CITY OF GARDEN GROVE Groundwater | CA3010062 | 7 | 2 | |
| SCWA - LAGUNA/VINEYARD Groundwater | CA3410029 | 7 | 2 | |
| LODI, CITY OF Groundwater | CA3910004 | 7 | 2 | |
| ARROYO GRANDE, WATER DEPARTMENT Groundwater | CA4010001 | 7 | 2 | |
| WATSONVILLE, CITY OF Groundwater | CA4410011 | 7 | 2 | |
| VALLEY OF THE MOON WATER DISTRICT Groundwater | CA4910013 | 7 | 2 | |
| CITY OF GRIDLEY Groundwater | CA0410004 | 6 | 2 | |
| MONROVIA-CITY, WATER DEPT. Groundwater | CA1910090 | 6 | 2 | |
| SOUTH GATE-CITY, WATER DEPT. Groundwater | CA1910152 | 6 | 2 | |
| Suburban Water Systems - Whittier Groundwater | CA1910174 | 6 | 2 | |
| NORWALK - CITY, WATER DEPT. Surface Water | CA1910191 | 6 | 2 | |
| SANTA FE SPRINGS - CITY, WATER DEPT. Groundwater | CA1910245 | 6 | 2 | |
| GOLDEN STATE WC - WEST ORANGE COUNTY Surface Water | CA3010022 | 6 | 2 | |
| CITY OF SANTA ANA Groundwater | CA3010038 | 6 | 2 | |
| NUEVO WATER COMPANY Surface Water | CA3310026 | 6 | 2 | |
| FARM MUTUAL W.C. (THE) Surface Water | CA3310046 | 6 | 2 | |
| CALAM - PARKWAY Groundwater | CA3410017 | 6 | 2 | |
| FLORIN COUNTY WATER DISTRICT Groundwater | CA3410033 | 6 | 2 | |
| COLTON, CITY OF Groundwater | CA3610014 | 6 | 2 | |
| ONTARIO MUNICIPAL UTILITIES COMPANY Groundwater | CA3610034 | 6 | 2 | |
| SAN JOAQUIN COUNTY-MOKELUMNE ACRES Groundwater | CA3910017 | 6 | 2 | |
| ATASCADERO MUTUAL WATER CO Groundwater | CA4010002 | 6 | 2 | |
| GUADALUPE VALLEY MID Surface Water | CA4110005 | 6 | 2 | |
| CWS - VISALIA Groundwater | CA5410016 | 6 | 2 | |
| PLEASANT VALLEY MUTUAL WATER CO MX | CA5610008 | 6 | 2 | |
| LYNWOOD-CITY, WATER DEPT. Groundwater | CA1910079 | 5 | 2 | |
| CALAM - ARDEN Groundwater | CA3410045 | 5 | 2 | |
| BIG BEAR LAKE DWP - BIG BEAR SYSTEM Groundwater | CA3610044 | 5 | 2 | |
| ATASCADERO STATE HOSPITAL Groundwater | CA4010832 | 5 | 2 | |
| CITY OF VACAVILLE Groundwater | CA4810008 | 5 | 2 | |
| CITY OF SANGER Groundwater | CA1010029 | 4 | 2 | |
| PETER PITCHESS HONOR RANCHO DETN. CTR Groundwater | CA1900046 | 4 | 2 | |
| BELLFLOWER MUNICIPAL WATER SYSTEM Surface Water | CA1910018 | 4 | 2 | |
| COMPTON-CITY, WATER DEPT. Groundwater | CA1910026 | 4 | 2 | |
| HUNTINGTON PARK-CITY, WATER DEPT. Surface Water | CA1910049 | 4 | 2 | |
| MAYWOOD MUTUAL WATER CO. #3 Groundwater | CA1910086 | 4 | 2 | |
| TRACT 180 MUTUAL WATER CO. Groundwater | CA1910159 | 4 | 2 | |
| TRACT 349 MUTUAL WATER CO. Groundwater | CA1910160 | 4 | 2 | |
| LIBERTY UTILITIES - LYNWOOD Groundwater | CA1910161 | 4 | 2 | |
| CALISTOGA, CITY OF Surface Water | CA2810002 | 4 | 2 | |
| WESTERN MWD - MURRIETA DIVISION Surface Water | CA3310036 | 4 | 2 | |
| REDLANDS CITY MUD-WATER DIV Groundwater | CA3610037 | 4 | 2 | |
| MANTECA, CITY OF Groundwater | CA3910005 | 4 | 2 | |
| RIPON, CITY OF Groundwater | CA3910007 | 4 | 2 | |
| LINDSAY, CITY OF Groundwater | CA5410006 | 4 | 2 | |
| LATON COMMUNITY SERVICES DISTRICT Groundwater | CA1010020 | 3 | 2 | |
| RANCHO LOS AMIGOS HOSPITAL Groundwater | CA1900679 | 3 | 2 | |
| AZUSA LIGHT AND WATER Groundwater | CA1910007 | 3 | 2 | |
| GSWC-SOUTH ARCADIA Groundwater | CA1910212 | 3 | 2 | |
| NORTHROP GRUMMAN CORP. Groundwater | CA1910097 | 8 | 1 | |
| PASO ROBLES WATER DEPARTMENT Groundwater | CA4010007 | 8 | 1 | |
| GSWC - BELL, BELL GARDENS Surface Water | CA1910011 | 7 | 1 | |
| CRESCENTA VALLEY CWD Groundwater | CA1910028 | 7 | 1 | |
| COMMERCE-CITY, WATER DEPT. Surface Water | CA1910050 | 7 | 1 | |
| SANTA MONICA-CITY, WATER DIVISION Groundwater | CA1910146 | 7 | 1 | |
| RIALTO, CITY OF Groundwater | CA3610038 | 7 | 1 | |
| CALIFORNIA STATE UNIVERSITY FRESNO Groundwater | CA1010339 | 6 | 1 | |
| CALIFORNIA WATER SERVICE CO. - ELA Groundwater | CA1910036 | 6 | 1 | |
| OLYMPIA MOBILODGE Groundwater | CA3410022 | 5 | 1 | ⚠ High Risk |
| MONTE VISTA CWD Groundwater | CA3610029 | 5 | 1 | |
| GOLDEN STATE WATER CO - BARSTOW Groundwater | CA3610043 | 5 | 1 | |
| SAN DIEGUITO WD Surface Water | CA3710021 | 5 | 1 | |
| GREAT OAKS WC INC Groundwater | CA4310022 | 5 | 1 | |
| BAKERSFIELD, CITY OF MX | CA1510031 | 4 | 1 | |
| TRUCKEE-DONNER PUD, MAIN Groundwater | CA2910003 | 4 | 1 | |
| CITY OF TUSTIN Groundwater | CA3010046 | 4 | 1 | |
| YUCAIPA VALLEY WATER DISTRICT Groundwater | CA3610055 | 4 | 1 | |
| LAKESIDE WD Groundwater | CA3710013 | 4 | 1 | |
| ROHNERT PARK, CITY OF Groundwater | CA4910014 | 4 | 1 | |
| CITY OF RED BLUFF Groundwater | CA5210004 | 4 | 1 | |
| LOMITA-CITY, WATER DEPT. Groundwater | CA1910073 | 3 | 1 | |
| PLANADA CSD Groundwater | CA2410007 | 3 | 1 | |
| CITY OF BUENA PARK Groundwater | CA3010003 | 3 | 1 | |
| CITY OF HUNTINGTON BEACH Surface Water | CA3010053 | 3 | 1 | |
| CITY OF WESTMINSTER Surface Water | CA3010064 | 3 | 1 | |
| ADELANTO, CITY OF Groundwater | CA3610001 | 3 | 1 | |
| CITY OF LATHROP Groundwater | CA3910015 | 3 | 1 | |
| SAN JOSE WATER Groundwater | CA4310011 | 3 | 1 | |
| SONOMA, CITY OF Groundwater | CA4910012 | 3 | 1 | |
| CAMROSA WATER DISTRICT Groundwater | CA5610063 | 3 | 1 | |
| THERMALITO WATER & SEWER DIST Groundwater | CA0410008 | 2 | 1 | |
| SIERRA TAHOE MAIN LODGE Groundwater | CA0900659 | 2 | 1 | |
| BEAR VALLEY CSD Groundwater | CA1510038 | 2 | 1 | |
| CWS - NORTH GARDEN Surface Water | CA1510055 | 2 | 1 | |
| CITY OF ARCADIA Groundwater | CA1910003 | 2 | 1 | |
| GSWC - ARTESIA Groundwater | CA1910004 | 2 | 1 | |
| BELLFLOWER - SOMERSET MWC Groundwater | CA1910013 | 2 | 1 | |
| CERRITOS - CITY, WATER DEPT. Surface Water | CA1910019 | 2 | 1 | |
| EL MONTE-CITY, WATER DEPT. Groundwater | CA1910038 | 2 | 1 | |
| INGLEWOOD- CITY, WATER DEPT. Groundwater | CA1910051 | 2 | 1 | |
| MAYWOOD MUTUAL WATER CO. #1 Groundwater | CA1910084 | 2 | 1 | |
| MAYWOOD MUTUAL WATER CO. #2 Groundwater | CA1910085 | 2 | 1 | |
| GSWC-SAN DIMAS Groundwater | CA1910142 | 2 | 1 | |
| LAKEWOOD - CITY, WATER DEPT. Groundwater | CA1910239 | 2 | 1 | |
| DELHI CWD Groundwater | CA2410006 | 2 | 1 | ⚠ High Risk |
| CITY OF LINCOLN Groundwater | CA3110004 | 2 | 1 | |
| SCWA - ARDEN PARK VISTA Groundwater | CA3410002 | 2 | 1 | |
| CALIFORNIA STATE FAIR Groundwater | CA3410026 | 2 | 1 | |
| SUNNYSLOPE COUNTY WATER DIST Groundwater | CA3510003 | 2 | 1 | |
| LOMA LINDA UNIVERSITY Groundwater | CA3600152 | 2 | 1 | |
| WEAVERVILLE C.S.D. Surface Water | CA5310001 | 2 | 1 | |
| GROVELAND COMMUNITY SERV DIST Surface Water | CA5510009 | 2 | 1 | |
| CITY OF WHEATLAND Groundwater | CA5810004 | 2 | 1 | |
| CAL-AM WATER COMPANY - DUARTE Groundwater | CA1910186 | 1 | 1 | |
| CHOWCHILLA CITY WATER DEPT Groundwater | CA2010001 | 1 | 1 | |
| CAL AM - MEADOWBROOK Groundwater | CA2410008 | 1 | 1 | |
| FOLSOM STATE PRISON Surface Water | CA3410032 | 1 | 1 | |
| CALIFORNIA WATER SERVICE - STOCKTON Groundwater | CA3910001 | 1 | 1 | |
| CITY OF STOCKTON Groundwater | CA3910012 | 1 | 1 | |
| PRESIDIO OF SAN FRANCISCO Surface Water | CA3810700 | 7 | 0 | |
| SUBURBAN WATER SYSTEMS-SAN JOSE Surface Water | CA1910205 | 5 | 0 | |
| CORONA, CITY OF Groundwater | CA3310037 | 5 | 0 | |
| SACRAMENTO SUBURBAN WATER DISTRICT Groundwater | CA3410001 | 5 | 0 | |
| GLEN HELEN WATER SYSTEM Groundwater | CA3600108 | 5 | 0 | |
| SAN BERNARDINO CITY Groundwater | CA3610039 | 5 | 0 | |
| GOLDEN STATE WATER COMPANY - LOS OSOS Groundwater | CA4010017 | 5 | 0 | |
| GSWC - NORWALK Groundwater | CA1910098 | 4 | 0 | |
| SOUTH MESA WC Groundwater | CA3310017 | 4 | 0 | |
| PERRIS, CITY OF Surface Water | CA3310029 | 4 | 0 | |
| RIVERSIDE, CITY OF GU | CA3310031 | 4 | 0 | |
| WESTERN MWD MX | CA3310049 | 4 | 0 | |
| HI DESERT WD Groundwater | CA3610073 | 4 | 0 | |
| CITY OF MORGAN HILL Groundwater | CA4310006 | 4 | 0 | |
| KONOCTI COUNTY WATER DISTRICT Surface Water | CA1710006 | 3 | 0 | |
| PALMDALE WATER DIST. Groundwater | CA1910102 | 3 | 0 | |
| BURBANK-CITY, WATER DEPT. Surface Water | CA1910179 | 3 | 0 | |
| YORBA LINDA WATER DISTRICT Groundwater | CA3010037 | 3 | 0 | |
| GOLDEN STATE WC - COWAN HEIGHTS Groundwater | CA3010047 | 3 | 0 | |
| SERRANO WATER DISTRICT Groundwater | CA3010082 | 3 | 0 | |
| IRVINE RANCH WATER DISTRICT Surface Water | CA3010092 | 3 | 0 | |
| RUBIDOUX COMMUNITY SD Groundwater | CA3310044 | 3 | 0 | |
| RIO LINDA/ELVERTA COMMUNITY WATER DIST Groundwater | CA3410018 | 3 | 0 | |
| UPLAND, CITY OF Groundwater | CA3610050 | 3 | 0 | |
| SHEEP CREEK WATER COMPANY Groundwater | CA3610109 | 3 | 0 | ◐ Low Level |
| SANTA FE I.D. Surface Water | CA3710023 | 3 | 0 | |
| CAMP PENDLETON (SOUTH) Groundwater | CA3710702 | 3 | 0 | |
| TEMPLETON CSD Groundwater | CA4010019 | 3 | 0 | |
| GOLETA WATER DISTRICT Groundwater | CA4210004 | 3 | 0 | |
| SCOTTS VALLEY WATER DISTRICT Groundwater | CA4410013 | 3 | 0 | |
| CITY OF BENICIA Surface Water | CA4810001 | 3 | 0 | |
| HEALDSBURG, CITY OF GU | CA4910005 | 3 | 0 | |
| TUD-WARDS FERRY RANCHES Groundwater | CA5500363 | 3 | 0 | |
| VENTURA WATER DEPARTMENT Surface Water | CA5610017 | 3 | 0 | |
| CAL-WATER SERVICE CO.-OROVILLE Groundwater | CA0410005 | 2 | 0 | |
| VAUGHN WC INC Groundwater | CA1510029 | 2 | 0 | |
| SO. CAL. EDISON CO.-SANTA CATALINA Groundwater | CA1910006 | 2 | 0 | |
| CALIFORNIA WATER SERVICE CO. - DOMINGUEZ Surface Water | CA1910033 | 2 | 0 | |
| SAN GABRIEL VALLEY WATER CO.-EL MONTE Groundwater | CA1910039 | 2 | 0 | |
| MONTEREY PARK-CITY, WATER DEPT. Groundwater | CA1910092 | 2 | 0 | |
| SANTA CLARITA VALLEY W.A.-NEWHALL DIV. MX | CA1910096 | 2 | 0 | |
| CAL/AM WATER COMPANY - SAN MARINO Surface Water | CA1910139 | 2 | 0 | |
| ROWLAND WATER DISTRICT Surface Water | CA1910194 | 2 | 0 | |
| GSWC-SOUTH SAN GABRIEL Surface Water | CA1910223 | 2 | 0 | |
| BASS LAKE WATER COMPANY Groundwater | CA2010003 | 2 | 0 | |
| CITY OF ALTURAS Groundwater | CA2510001 | 2 | 0 | ◐ Low Level |
| SOUTH COAST WATER DISTRICT Groundwater | CA3010042 | 2 | 0 | |
| CITY OF FOUNTAIN VALLEY Surface Water | CA3010069 | 2 | 0 | |
| EL TORO WATER DISTRICT Surface Water | CA3010079 | 2 | 0 | |
| BANNING, CITY OF Groundwater | CA3310006 | 2 | 0 | |
| ELSINORE VALLEY MWD MX | CA3310012 | 2 | 0 | |
| CARMICHAEL WATER DISTRICT Groundwater | CA3410004 | 2 | 0 | |
| ELK GROVE WATER SERVICE Groundwater | CA3410008 | 2 | 0 | |
| CALAM - LINCOLN OAKS Groundwater | CA3410013 | 2 | 0 | |
| GOLDEN STATE WATER CO - WRIGHTWOOD Groundwater | CA3610047 | 2 | 0 | |
| RINCON DEL DIABLO MWD (ID-1) Surface Water | CA3710018 | 2 | 0 | |
| PADRE DAM MWD Surface Water | CA3710037 | 2 | 0 | |
| GOLDEN STATE WATER COMPANY - NIPOMO Groundwater | CA4010018 | 2 | 0 | |
| SOLVANG WATER DIVISION MX | CA4210013 | 2 | 0 | |
| SAN LORENZO VALLEY WATER DIST Groundwater | CA4410014 | 2 | 0 | |
| CITY OF LIVE OAK, CA Groundwater | CA5110001 | 2 | 0 | |
| CITY OF WINTERS Groundwater | CA5710005 | 2 | 0 | |
| EAST BAY MUD Surface Water | CA0110005 | 1 | 0 | |
| KIRKWOOD MEADOWS PUBLIC UTILITY DISTRICT Groundwater | CA0210002 | 1 | 0 | |
| UNION PUBLIC UTILITY DISTRICT Surface Water | CA0510001 | 1 | 0 | |
| BLUE LAKE SPRINGS MUT WTR Surface Water | CA0510009 | 1 | 0 | |
| CITY OF COLUSA Groundwater | CA0610002 | 1 | 0 | |
| CITY OF WILLIAMS Groundwater | CA0610004 | 1 | 0 | |
| BRENTWOOD Groundwater | CA0710004 | 1 | 0 | |
| DIABLO WATER DISTRICT MX | CA0710007 | 1 | 0 | |
| CITY OF PITTSBURG MX | CA0710008 | 1 | 0 | |
| TOWN OF DISCOVERY BAY Groundwater | CA0710009 | 1 | 0 | |
| EL DORADO ID - MAIN Surface Water | CA0910001 | 1 | 0 | |
| FIREBAUGH CITY Groundwater | CA1010005 | 1 | 0 | |
| CITY OF FOWLER Groundwater | CA1010006 | 1 | 0 | |
| SAN JOAQUIN, CITY OF Groundwater | CA1010034 | 1 | 0 | |
| CITY OF ORLAND Groundwater | CA1110001 | 1 | 0 | |
| CAL-WATER SERVICE CO.-WILLOWS Groundwater | CA1110003 | 1 | 0 | |
| HUMBOLDT C.S.D. Groundwater | CA1210009 | 1 | 0 | |
| IMPERIAL VALLEY COLLEGE Surface Water | CA1300549 | 1 | 0 | |
| BRAWLEY, CITY OF Surface Water | CA1310001 | 1 | 0 | |
| CALEXICO, CITY OF Surface Water | CA1310002 | 1 | 0 | |
| GSWC-CALIPATRIA Surface Water | CA1310003 | 1 | 0 | |
| EL CENTRO, CITY OF Surface Water | CA1310004 | 1 | 0 | |
| HOLTVILLE, CITY OF Surface Water | CA1310005 | 1 | 0 | |
| IMPERIAL, CITY OF Surface Water | CA1310006 | 1 | 0 | |
| HEBER PUBLIC UTILITY DISTRICT Surface Water | CA1310007 | 1 | 0 | |
| CALIPATRIA STATE PRISON Surface Water | CA1310800 | 1 | 0 | |
| CENTINELA STATE PRISON Surface Water | CA1310801 | 1 | 0 | |
| DELANO, CITY OF Groundwater | CA1510005 | 1 | 0 | |
| EAST NILES CSD Surface Water | CA1510006 | 1 | 0 | |
| LAMONT PUBLIC UTILITY DIST Groundwater | CA1510012 | 1 | 0 | |
| MOJAVE PUD Surface Water | CA1510014 | 1 | 0 | |
| OILDALE MWC Surface Water | CA1510015 | 1 | 0 | |
| INDIAN WELLS VALLEY W.D. Groundwater | CA1510017 | 1 | 0 | |
| ROSAMOND CSD Surface Water | CA1510018 | 1 | 0 | |
| GREENFIELD COUNTY WD Groundwater | CA1510024 | 1 | 0 | |
| STALLION SPRINGS CSD Groundwater | CA1510025 | 1 | 0 | |
| CALIFORNIA CITY, CITY OF Groundwater | CA1510032 | 1 | 0 | |
| EDWARDS AFB - MAIN BASE MX | CA1510701 | 1 | 0 | |
| CHINA LAKE NAVAL AIR WEAPONS STATION Groundwater | CA1510703 | 1 | 0 | |
| CCI - TEHACHAPI Groundwater | CA1510800 | 1 | 0 | |
| WASCO ST. PRISON RECEPTION CTR Groundwater | CA1510801 | 1 | 0 | ◐ Low Level |
| GOLDEN STATE WATER CO.-CLEARLAKE SYSTEM Surface Water | CA1710002 | 1 | 0 | |
| HIGHLANDS MUTUAL WATER COMPANY Surface Water | CA1710003 | 1 | 0 | |
| LAKEPORT, CITY OF Surface Water | CA1710004 | 1 | 0 | |
| LUCERNE WATER CO. - CAL WATER SERVICE Surface Water | CA1710005 | 1 | 0 | |
| MT. KONOCTI MUTUAL WATER COMPANY Surface Water | CA1710014 | 1 | 0 | |
| HIDDEN VALLEY LAKE CSD Groundwater | CA1710015 | 1 | 0 | |
| CITY OF SUSANVILLE Groundwater | CA1810001 | 1 | 0 | |
| CITY OF ALHAMBRA Surface Water | CA1910001 | 1 | 0 | |
| CALIFORNIA WATER SERVICE CO.-LANCASTER Groundwater | CA1910010 | 1 | 0 | |
| LIBERTY UTILITIES - COMPTON Surface Water | CA1910021 | 1 | 0 | |
| GSWC - CULVER CITY Surface Water | CA1910030 | 1 | 0 | |
| EL SEGUNDO-CITY, WATER DEPT. Surface Water | CA1910040 | 1 | 0 | |
| HAWTHORNE-CITY WATER DEPT. Surface Water | CA1910047 | 1 | 0 | |
| CAL/AM WATER COMPANY - BALDWIN HILLS Surface Water | CA1910052 | 1 | 0 | |
| LA CANADA IRRIGATION DIST. Surface Water | CA1910054 | 1 | 0 | |
| LAS FLORES WATER CO. Surface Water | CA1910061 | 1 | 0 | |
| LONG BEACH-CITY, WATER DEPT. Surface Water | CA1910065 | 1 | 0 | |
| LOS ANGELES-CITY, DEPT. OF WATER & POWER Surface Water | CA1910067 | 1 | 0 | |
| LOS ANGELES CWWD 40,REG 4 & 34-LANCASTER MX | CA1910070 | 1 | 0 | |
| GSWC - Willowbrook Surface Water | CA1910072 | 1 | 0 | |
| GSWC - FLORENCE/GRAHAM Surface Water | CA1910077 | 1 | 0 | |
| MANHATTAN BEACH-CITY, WATER DEPT. MX | CA1910083 | 1 | 0 | |
| PALM RANCH IRRIGATION DIST. Groundwater | CA1910103 | 1 | 0 | |
| CALIFORNIA WATER SERVICE CO. - PALOS VER Surface Water | CA1910104 | 1 | 0 | |
| PARAMOUNT - CITY, WATER DEPT. Surface Water | CA1910105 | 1 | 0 | |
| MONTEBELLO-CITY, WATER DEPT. Surface Water | CA1910117 | 1 | 0 | |
| PASADENA-CITY, WATER DEPT. Surface Water | CA1910124 | 1 | 0 | |
| COVINA-CITY, WATER DEPT. Surface Water | CA1910127 | 1 | 0 | |
| QUARTZ HILL WATER DIST. Groundwater | CA1910130 | 1 | 0 | |
| CALIFORNIA WATER SERVICE CO. - HERM/REDO Surface Water | CA1910134 | 1 | 0 | |
| SIGNAL HILL - CITY, WATER DEPT. Surface Water | CA1910149 | 1 | 0 | |
| GSWC - SOUTHWEST Surface Water | CA1910155 | 1 | 0 | |
| BEVERLY HILLS-CITY, WATER DEPT. Groundwater | CA1910156 | 1 | 0 | |
| VALLEY WATER CO. MX | CA1910166 | 1 | 0 | |
| VERNON-CITY, WATER DEPT. Surface Water | CA1910167 | 1 | 0 | |
| GSWC - HOLLYDALE Groundwater | CA1910195 | 1 | 0 | |
| LOS ANGELES CWWD 40, R 24,27,33-PEARBLSM Surface Water | CA1910203 | 1 | 0 | |
| TORRANCE-CITY, WATER DEPT. Surface Water | CA1910213 | 1 | 0 | |
| LAS VIRGENES MWD Surface Water | CA1910225 | 1 | 0 | |
| WALNUT VALLEY WATER DISTRICT Surface Water | CA1910234 | 1 | 0 | |
| SANTA CLARITA VALLEY W.A.-CASTAIC DIV. MX | CA1910247 | 1 | 0 | |
| SANTA CLARITA VALLEY W.A.-PINETREE DIV. Surface Water | CA1910250 | 1 | 0 | |
| CAL AM - OAKHURST Groundwater | CA2010007 | 1 | 0 | |
| BOLINAS COMMUNITY PUD Surface Water | CA2110005 | 1 | 0 | |
| PONDEROSA BASIN MUTUAL WTR CO Groundwater | CA2210002 | 1 | 0 | |
| CITY OF GUSTINE Groundwater | CA2410003 | 1 | 0 | |
| CITY OF LOS BANOS Groundwater | CA2410005 | 1 | 0 | |
| MAMMOTH MOUNTAIN SKI AREA - OUTPOST 14 Groundwater | CA2600624 | 1 | 0 | |
| MAMMOTH CWD Groundwater | CA2610001 | 1 | 0 | |
| ALCO WATER SERVICE Groundwater | CA2710001 | 1 | 0 | |
| CASTROVILLE COMMUNITY SERVICES DISTRICT Groundwater | CA2710005 | 1 | 0 | |
| GONZALES, CITY OF Groundwater | CA2710007 | 1 | 0 | |
| GREENFIELD, CITY OF Groundwater | CA2710008 | 1 | 0 | |
| CWSC KING CITY Groundwater | CA2710009 | 1 | 0 | |
| CWSC SALINAS Groundwater | CA2710010 | 1 | 0 | |
| SOLEDAD, CITY OF Groundwater | CA2710011 | 1 | 0 | |
| CWSC SALINAS HILLS Groundwater | CA2710012 | 1 | 0 | |
| MARINA COAST WATER DISTRICT Groundwater | CA2710017 | 1 | 0 | |
| CWSC OAK HILLS Groundwater | CA2710019 | 1 | 0 | |
| CORRECTIONAL TRAINING FACILITY - SOLEDAD Groundwater | CA2710850 | 1 | 0 | |
| ST. HELENA, CITY OF Groundwater | CA2810004 | 1 | 0 | |
| CITY OF BREA Groundwater | CA3010002 | 1 | 0 | |
| MESA WATER DISTRICT Surface Water | CA3010004 | 1 | 0 | |
| LAGUNA BEACH COUNTY WD Surface Water | CA3010017 | 1 | 0 | |
| CITY OF LA HABRA Groundwater | CA3010018 | 1 | 0 | |
| CITY OF NEWPORT BEACH Surface Water | CA3010023 | 1 | 0 | |
| CITY OF SAN JUAN CAPISTRANO Surface Water | CA3010030 | 1 | 0 | |
| CITY OF SAN CLEMENTE Surface Water | CA3010036 | 1 | 0 | |
| CITY OF SEAL BEACH Surface Water | CA3010041 | 1 | 0 | |
| MOULTON NIGUEL WATER DISTRICT Surface Water | CA3010073 | 1 | 0 | |
| TRABUCO CANYON WATER DISTRICT Surface Water | CA3010094 | 1 | 0 | |
| CITY OF LA PALMA Surface Water | CA3010100 | 1 | 0 | |
| SANTA MARGARITA WATER DISTRICT Surface Water | CA3010101 | 1 | 0 | |
| CITY OF ROSEVILLE Groundwater | CA3110008 | 1 | 0 | |
| TAHOE CITY PUD - MAIN Groundwater | CA3110010 | 1 | 0 | |
| AMERICAN VALLEY CSD Groundwater | CA3210004 | 1 | 0 | |
| COACHELLA VWD: COVE COMMUNITY Groundwater | CA3310001 | 1 | 0 | |
| BLYTHE - CITY OF Groundwater | CA3310003 | 1 | 0 | |
| EASTERN MUNICIPAL WD Surface Water | CA3310009 | 1 | 0 | |
| HEMET, CITY OF Groundwater | CA3310016 | 1 | 0 | |
| LAKE HEMET MWD Groundwater | CA3310022 | 1 | 0 | |
| RIVERSIDE CSA #122-MESA VERDE Groundwater | CA3310028 | 1 | 0 | |
| CALIFORNIA REHABILITATION CENTER - NORCO Groundwater | CA3310800 | 1 | 0 | |
| CHUCKAWALLA VALLEY STATE PRISON Groundwater | CA3310802 | 1 | 0 | |
| CITRUS HEIGHTS WATER DISTRICT Groundwater | CA3410006 | 1 | 0 | |
| CALAM - ANTELOPE Surface Water | CA3410031 | 1 | 0 | |
| THOUSAND TRAILS SAN BENITO PRESERVE Groundwater | CA3500505 | 1 | 0 | |
| SAN BENITO HIGH SCHOOL Groundwater | CA3500571 | 1 | 0 | |
| HOLLISTER, CITY OF Groundwater | CA3510001 | 1 | 0 | |
| BAR-LEN MWC Groundwater | CA3600025 | 1 | 0 | |
| RANCHERITOS MWC Groundwater | CA3600200 | 1 | 0 | |
| LIBERTY UTILITIES (AV RANCHOS) CORP. Groundwater | CA3610003 | 1 | 0 | |
| JOSHUA BASIN WATER DISTRICT Groundwater | CA3610025 | 1 | 0 | |
| NEEDLES, CITY OF Groundwater | CA3610032 | 1 | 0 | ◐ Low Level |
| TWENTYNINE PALMS WATER DISTRICT Groundwater | CA3610049 | 1 | 0 | |
| VICTORVILLE WATER DISTRICT Groundwater | CA3610052 | 1 | 0 | |
| ARROWHEAD VILLAS MUTUAL SERVICE COMPANY Groundwater | CA3610093 | 1 | 0 | |
| GOLDEN STATE WATER CO - APPLE VLY SOUTH Groundwater | CA3610107 | 1 | 0 | |
| US ARMY FORT IRWIN Groundwater | CA3610705 | 1 | 0 | |
| CAL-AM WATER CORONADO Surface Water | CA3710001 | 1 | 0 | |
| VALLECITOS WD Surface Water | CA3710002 | 1 | 0 | |
| DEL MAR, CITY OF Surface Water | CA3710004 | 1 | 0 | |
| CARLSBAD MWD Surface Water | CA3710005 | 1 | 0 | |
| ESCONDIDO, CITY OF Surface Water | CA3710006 | 1 | 0 | |
| FALLBROOK PUD MX | CA3710008 | 1 | 0 | |
| HELIX WATER DISTRICT Surface Water | CA3710010 | 1 | 0 | |
| OCEANSIDE, CITY OF Surface Water | CA3710014 | 1 | 0 | |
| POWAY, CITY OF Surface Water | CA3710015 | 1 | 0 | |
| RAINBOW MUNICIPAL WD Surface Water | CA3710016 | 1 | 0 | |
| RAMONA MUNICIPAL WD Surface Water | CA3710019 | 1 | 0 | |
| SAN DIEGO, CITY OF Surface Water | CA3710020 | 1 | 0 | |
| VALLEY CENTER MWD Surface Water | CA3710026 | 1 | 0 | |
| VISTA IRRIGATION DISTRICT Surface Water | CA3710027 | 1 | 0 | |
| OLIVENHAIN MWD Surface Water | CA3710029 | 1 | 0 | |
| OTAY WATER DISTRICT Surface Water | CA3710034 | 1 | 0 | |
| BORREGO WD Groundwater | CA3710036 | 1 | 0 | |
| NAS NORTH ISLAND & NAB CORONADO MX | CA3710750 | 1 | 0 | |
| TRACY, CITY OF Groundwater | CA3910011 | 1 | 0 | |
| SAN JOAQUIN RIVER CLUB INC Groundwater | CA3910018 | 1 | 0 | |
| PISMO BEACH WATER DEPARTMENT Groundwater | CA4010008 | 1 | 0 | |
| SAN LUIS OBISPO WATER DEPARTMENT Surface Water | CA4010009 | 1 | 0 | |
| NIPOMO COMM SERVICES DIST MX | CA4010026 | 1 | 0 | |
| CALIFORNIA WATER SERVICE-S SAN FRANCISCO Groundwater | CA4110009 | 1 | 0 | |
| CITY OF DALY CITY MX | CA4110013 | 1 | 0 | |
| CITY OF SAN BRUNO Groundwater | CA4110023 | 1 | 0 | |
| CARPINTERIA VALLEY WATER DISTRICT Surface Water | CA4210001 | 1 | 0 | |
| GUADALUPE WATER DEPARTMENT MX | CA4210003 | 1 | 0 | |
| LOMPOC-CITY WATER UTILITY DIV Groundwater | CA4210006 | 1 | 0 | |
| MONTECITO WATER DIST Groundwater | CA4210007 | 1 | 0 | |
| CITY OF SANTA BARBARA WATER DEPARTMENT Surface Water | CA4210010 | 1 | 0 | |
| SANTA MARIA WATER DEPARTMENT MX | CA4210011 | 1 | 0 | |
| Golden State Water Co. - Orcutt Groundwater | CA4210016 | 1 | 0 | |
| VANDENBERG VILLAGE COMM. SERV. DIST. Groundwater | CA4210017 | 1 | 0 | |
| BUELLTON WATER DEPARTMENT Groundwater | CA4210018 | 1 | 0 | |
| MISSION HILLS CSD Groundwater | CA4210019 | 1 | 0 | |
| SANTA YNEZ RIVER WATER CONS. DIST. ID#1 Groundwater | CA4210020 | 1 | 0 | |
| LA CUMBRE MUTUAL WATER CO Groundwater | CA4210024 | 1 | 0 | |
| AMERICAN WATER O&M, LLC - VAFB Groundwater | CA4210700 | 1 | 0 | |
| HGST INC Groundwater | CA4300791 | 1 | 0 | |
| CWSC LOS ALTOS SUBURBAN Groundwater | CA4310001 | 1 | 0 | |
| CITY OF MOUNTAIN VIEW Groundwater | CA4310007 | 1 | 0 | |
| CITY OF SANTA CLARA Groundwater | CA4310012 | 1 | 0 | |
| CITY OF SAN JOSE - NSJ/ALVISO Groundwater | CA4310019 | 1 | 0 | |
| CITY OF SAN JOSE - EVG/EDV/COY Groundwater | CA4310020 | 1 | 0 | |
| TROUT GULCH MUTUAL WATER COMPANY Groundwater | CA4400502 | 1 | 0 | |
| CABRILLO COLLEGE Groundwater | CA4400753 | 1 | 0 | |
| SANTA CRUZ WATER DEPARTMENT Groundwater | CA4410010 | 1 | 0 | |
| SOQUEL CREEK WATER DISTRICT Groundwater | CA4410017 | 1 | 0 | |
| BELLA VISTA WATER DISTRICT Groundwater | CA4510014 | 1 | 0 | |
| CALIFORNIA WATER SERVICE CO. - DIXON Groundwater | CA4810002 | 1 | 0 | |
| CITY OF RIO VISTA Groundwater | CA4810004 | 1 | 0 | |
| CITY OF DIXON Groundwater | CA4810009 | 1 | 0 | |
| CALIFORNIA WATER SERVICE CO.-TRAVIS AFB Surface Water | CA4810701 | 1 | 0 | |
| CALIFORNIA STATE PRISON - SOLANO Surface Water | CA4810800 | 1 | 0 | |
| RODNEY STRONG VINEYARDS Groundwater | CA4900897 | 1 | 0 | |
| SEA RANCH WATER COMPANY,THE (PUC) Surface Water | CA4910007 | 1 | 0 | |
| SANTA ROSA, CITY OF Groundwater | CA4910009 | 1 | 0 | |
| SEBASTOPOL, CITY OF Groundwater | CA4910011 | 1 | 0 | |
| COTATI, CITY OF Groundwater | CA4910016 | 1 | 0 | |
| CALIFORNIA-AMERICAN LARKFIELD (PUC) Groundwater | CA4910023 | 1 | 0 | |
| SONOMA STATE UNIVERSITY Groundwater | CA4910027 | 1 | 0 | |
| JOE'S TRAVEL PLAZA (EH) Groundwater | CA5000202 | 1 | 0 | ◐ Low Level |
| CITY OF MODESTO - SALIDA Groundwater | CA5010005 | 1 | 0 | |
| CITY OF NEWMAN-WATER DEPARTMENT Groundwater | CA5010013 | 1 | 0 | |
| PATTERSON, CITY OF Groundwater | CA5010017 | 1 | 0 | |
| CITY OF CORNING Groundwater | CA5210001 | 1 | 0 | |
| TUD - SONORA/JAMESTOWN WATER SYSTEM Surface Water | CA5510001 | 1 | 0 | |
| FILLMORE WATER DEPT Groundwater | CA5610002 | 1 | 0 | |
| MEINERS OAKS CWD Groundwater | CA5610005 | 1 | 0 | |
| OXNARD WATER DEPT MX | CA5610007 | 1 | 0 | |
| PORT HUENEME WATER DEPT Surface Water | CA5610009 | 1 | 0 | |
| SANTA PAULA WATER SYSTEM Groundwater | CA5610011 | 1 | 0 | |
| OJAI WATER SYSTEM MX | CA5610014 | 1 | 0 | |
| CALIFORNIA WATER SERVICE CO - WESTLAKE Surface Water | CA5610016 | 1 | 0 | |
| VENTURA CWWD NO. 1 - MOORPARK Groundwater | CA5610018 | 1 | 0 | |
| CAMARILLO WATER DEPT Groundwater | CA5610019 | 1 | 0 | |
| VENTURA RIVER WATER DISTRICT Surface Water | CA5610022 | 1 | 0 | |
| CASITAS MUNICIPAL WATER DIST MX | CA5610024 | 1 | 0 | |
| CHANNEL ISLANDS BEACH CSD Surface Water | CA5610039 | 1 | 0 | |
| CAL AMERICAN WATER CO Surface Water | CA5610040 | 1 | 0 | |
| OAK PARK WATER SERVICE Surface Water | CA5610043 | 1 | 0 | |
| GOLDEN STATE WATER COMPANY - SIMI VALLEY Groundwater | CA5610059 | 1 | 0 | |
| CITY OF DAVIS Groundwater | CA5710001 | 1 | 0 | |
| CITY OF WOODLAND Groundwater | CA5710006 | 1 | 0 | |
| UC Davis Groundwater | CA5710009 | 1 | 0 | |