| MAMMOTH YOSEMITE AIRPORT | MAMMOTH LAKES, CA | 13 | 41 | — |
| REY RIVER RANCH CORP. | SANTA YSABEL, CA | 12 | 4 | — |
| JAGO BAY MUTUAL WATER COMPANY | SAN FRANCISCO, CA | 11 | 23 | — |
| L. C. HUNTING CLUB | BUTTE CITY, CA | 10 | 23 | — |
| RINCONADA TRAILER PARK | SAN LUIS OBISPO, CA | 10 | 6 | — |
| WILLOW SPRINGS RESORT | BRIDGEPORT, CA | 9 | 30 | — |
| NORTH SHORE MWC | FAWNSKIN, CA | 7 | 37 | — |
| BOLO STATION RV PARK & SNACK BAR | DAMMERON VALLEY, CA | 6 | 36 | — |
| TRAVIS AFB WTP - VALLEJO | VALLEJO, CA | 3 | 0 | — |
| SFPUC-PLEASANTON WELLS | BURLINGAME, CA | 1 | 0 | — |
| RANDALL-BOLD WATER TREATMENT PLANT | CONCORD, CA | 1 | 0 | — |
| CAMP HEART BAR EQUESTRIAN GROUP | FAWNSKIN, CA | 1 | 0 | — |
| THOMAS SHAFT WHOLESALE | BURLINGAME, CA | 1 | 0 | — |
| CCWD/BRENTWOOD WTP | CONCORD, CA | 0 | 0 | — |
| LADWP - INDEPENDENCE | LOS ANGELES, CA | 0 | 0 | — |
| LADWP - LONE PINE | LOS ANGELES, CA | 0 | 1 | — |
| LADWP - BIG PINE | LOS ANGELES, CA | 0 | 3 | — |
| LADWP - MANZANAR | LOS ANGELES, CA | 0 | 0 | — |
| LAWS TOWN LADWP | LOS ANGELES, CA | 0 | 1 | — |
| KERN COUNTY WATER AGENCY | BAKERSFIELD, CA | 0 | 0 | — |
| ANTELOPE VALLEY E KERN WTR AGY-ROSAMOND | PALMDALE, CA | 0 | 6 | — |
| FOOTHILL MUNICIPAL WATER DIST. | LA CANADA FLINTRIDGE, CA | 0 | 10 | — |
| THREE VALLEYS MWD | CLAREMONT, CA | 0 | 3 | — |
| ANTELOPE VALLEY EAST KERN WATER AGENCY | PALMDALE, CA | 0 | 1 | — |
| METROPOLITAN WATER DIST. OF SO. CAL. | LA VERNE, CA | 0 | 1 | — |
| CALIFORNIA DOMESTIC WATER COMPANY | WHITTIER, CA | 0 | 1 | — |
| COVINA IRRIGATING CO. | WEST COVINA, CA | 0 | 7 | — |
| EAST ORANGE COUNTY WD - WZ | ORANGE, CA | 0 | 6 | — |
| SAN JUAN BASIN AUTHORITY | RANCHO SANTA MARGARITA, CA | 0 | 21 | — |
| WESTERN MWD (ARLINGTON) | RIVERSIDE, CA | 0 | 0 | — |
| CHINO BASIN DESALTER AUTH. - DESALTER 2 | ONTARIO, CA | 0 | 0 | — |
| WATER FACILITIES AUTHORITY-JPA | UPLAND, CA | 0 | 0 | — |
| CHINO BASIN DESALTER AUTH. - DESALTER 1 | ONTARIO, CA | 0 | 0 | — |
| WEST END CONSOLIDATED WATER COMPANY | UPLAND, CA | 0 | 0 | — |
| MOJAVE WATER AGENCY | APPLE VALLEY, CA | 0 | 0 | — |
| SAN DIEGO COUNTY WATER AUTHORITY | SAN DIEGO, CA | 0 | 2 | — |
| CARLSBAD DESALINATION PLANT | CARLSBAD, CA | 0 | 0 | — |
| SLO CWD NO. 10 - CAYUCOS WTP | SAN LUIS OBISPO, CA | 0 | 4 | — |
| CHORRO VALLEY PIPELINE - SLO COUNTY | SAN LUIS OBISPO, CA | 0 | 0 | — |
| NACIMIENTO WATER PROJECT | SAN LUIS OBISPO, CA | 0 | 0 | — |
| CACHUMA PROJECT | SANTA BARBARA, CA | 0 | 0 | — |
| SANTA CLARA VALLEY WATER DISTRICT | SAN JOSE, CA | 0 | 9 | — |
| CENTRAL COAST WATER AUTHORITY | BUELLTON, CA | 0 | 4 | — |
| SONOMA COUNTY WATER AGENCY | SANTA ROSA, CA | 0 | 3 | — |
| STANISLAUS REGIONAL WATER AUTHORITY | TURLOCK, CA | 0 | 0 | — |
| UNITED WTR CONS DIST | OXNARD, CA | 0 | 3 | — |
| CALLEGUAS MUNICIPAL WATER DIST | THOUSAND OAKS, CA | 0 | 2 | — |
| PORT HUENEME WATER AGENCY | PORT HUENEME, CA | 0 | 0 | — |
| WOODLAND-DAVIS CLEAN WATER AGENCY | WOODLAND, CA | 0 | 0 | — |