| CDFW ELKHORN SLOUGH ECOLOGICAL RESERVE | WATSONVILLE, CA | 650 | 20 | — |
| FRANKLIN ELEMENTARY SCHOOL | SACRAMENTO, CA | 650 | 49 | — |
| COASTAL CHRISTIAN SCHOOL | PISMO BEACH, CA | 650 | 0 | — |
| JEHOVAH S WITNESSES HALL | SANTA ROSA, CA | 650 | 8 | — |
| HART- RANSOM UNION SCHOOL & DISTRICT | MODESTO, CA | 650 | 30 | — |
| WOODVILLE FARM LABOR CENTER | VISALIA, CA | 650 | 15 | — |
| PINNACLES NATIONAL PARK CAMPGROUND | PAICINES, CA | 647 | 0 | — |
| PLEASANTIMES MUTUAL WATER CO | BETHEL ISLAND, CA | 644 | 9 | — |
| DIAMOND A MUTUAL WATER COMPANY | SONOMA, CA | 640 | 18 | — |
| NAF EL CENTRO | EL CENTRO, CA | 637 | 15 | — |
| ORLEANS C.S.D. | ORLEANS, CA | 636 | 41 | — |
| YOSEMITE NPS-EL PORTAL | YOSEMITE NP, CA | 635 | 17 | — |
| MINERAL COUNTY WATER DISTRICT | MINERAL, CA | 634 | 22 | — |
| TRADEWIND WATER ASSOC. | WELDON, CA | 632 | 71 | — |
| IVCSD-GREENVILLE | GREENVILLE, CA | 630 | 69 | — |
| LODI USD-DAVIS SCHOOL | LODI, CA | 630 | 18 | — |
| NEWELL COUNTY WATER DISTRICT | TULELAKE, CA | 629 | 37 | — |
| SAN MARTIN COUNTY WATER DISTRICT | SAN MARTIN, CA | 627 | 70 | — |
| MP MINE OPERATIONS LLC | MOUNTAIN PASS, CA | 626 | 7 | — |
| LAKE ALPINE WATER COMPANY | BEAR VALLEY, CA | 625 | 50 | — |
| GERBER UNION ELEMENTARY SCHOOL DISTRICT | GERBER, CA | 625 | 8 | — |
| ARCTIC COLD | SANTA MARIA, CA | 623 | 0 | — |
| MT. MADONNA COUNTY PARK | SAN JOSE, CA | 621 | 1 | — |
| MOONLIGHT PACKING CO. LLC - PLANT 8 | REEDLY, CA | 620 | 0 | — |
| HOWARD ELEMENTARY SCHOOL | MADERA, CA | 618 | 14 | — |
| NEPENTHE WS | BIG SUR, CA | 618 | 38 | — |
| PLAINVIEW MUTUAL WATER COMPANY | STRATHMORE, CA | 617 | 65 | — |
| DUCOR CSD | DUCOR, CA | 616 | 33 | — |
| CSA 62 | BLYTHE, CA | 614 | 31 | — |
| TROUT GULCH MUTUAL WATER COMPANY | APTOS, CA | 614 | 23 | Detected |
| LOS ANGELES CWWD 40, REG. 35-N.E. L.A. | ALHAMBRA, CA | 612 | 2 | — |
| USFS CLARK FORK CAMPD | PINECREST, CA | 612 | 1 | — |
| CSA 70 W-3 HACIENDA | SAN BERNARDINO, CA | 611 | 58 | Clean |
| RIVERLAND RESORT | EARP, CA | 611 | 16 | — |
| CSP-ARMSTRONG REDWOODS STATE RESERVE | MENDOCINO, CA | 611 | 0 | — |
| RIVERDALE PARK TRACT CSD | MODESTO, CA | 610 | 23 | — |
| LUCERNE VALLEY HIGH SCHOOL | LUCERNE VALLEY, CA | 606 | 5 | — |
| LASSEN VNP - MANZANITA LAKE | MINERAL, CA | 606 | 0 | — |
| CAL AM - DUNNIGAN | SACRAMENTO, CA | 602 | 36 | — |
| PLEASANT VALLEY BAPTIST CHURCH | CHICO, CA | 600 | 53 | — |
| EXCELSIOR MIDDLE SCHOOL | BYRON, CA | 600 | 8 | — |
| COUNTRY LIFE MH & RV PARK | EL CENTRO, CA | 600 | 36 | — |
| SIERRA HIGHLAND CSD | BISHOP, CA | 600 | 10 | — |
| PRESERVE AT MILLERTON LAKE WATER SYSTEM | PISMO BEACH, CA | 600 | 0 | — |
| INGOMAR PACKING | LOS BANOS, CA | 600 | 17 | — |
| CEDARVILLE COUNTY WATER DIST. | CEDARVILLE, CA | 600 | 5 | — |
| FRENCH CAMP CAMPGROUND | BISHOP, CA | 600 | 2 | — |
| FEATHER RIVER COMMUNITY COLLEGE | 570 GOLDEN EAGLE AVE, CA | 600 | 8 | — |
| CARVER TRACT MUTUAL WATER COMP | INDIO, CA | 600 | 29 | — |
| LAKE HEMET MWD-CAMP GROUND | HEMET, CA | 600 | 2 | — |