| Shaver Lake Heights MWC | Clovis, CA | 836 | 60 | - |
| Castello Di Amorosa | St Helena, CA | 833 | 13 | - |
| Oasis Date Gardens | Thermal, CA | 832 | 67 | - |
| Camanche South Shore-Ebmud | Valley Springs, CA | 828 | 12 | - |
| Loleta C.s.d. | Loleta, CA | 828 | 5 | - |
| Mhc TT Inc. (Dba Pio Pico) | Jamul, CA | 828 | 18 | - |
| Tud-Apple Valley Estates | Sonora, CA | 826 | 4 | - |
| Del Sur School/Westside Union District | Quartz Hill, CA | 825 | 6 | - |
| Sacramento Nat. Wildlife Refuge | Willows, CA | 824 | 2 | - |
| Sierra Lakes County Water Dist | Truckee, CA | 824 | 2 | - |
| Rio School Dist/Rio del Valle School | Oxnard, CA | 820 | 15 | - |
| Liberty Elementary School | Tulare, CA | 818 | 6 | - |
| Adventist Health - St. Helena Hospital | St. Helena, CA | 817 | 7 | - |
| Lacsd - Rimforest | Lake Arrowhead, CA | 817 | 3 | - |
| Western Valley Meat Company | Fresno, CA | 815 | 55 | - |
| Central Valley Meat Co Inc | Hanford, CA | 812 | 150 | - |
| Apple Valley Foothill Cwd | Apple Valley, CA | 811 | 13 | - |
| Tranquillity Irrigation District | Tranquillity, CA | 807 | 96 | - |
| Usfs-Jackson Lake V-4 | Arcadia, CA | 805 | 17 | - |
| Canon Manor Water System | Santa Rosa, CA | 805 | 6 | - |
| Resort Improvement District #1 | Whitethorn, CA | 803 | 7 | - |
| Csp-J.p. Burns Park | Monterey, CA | 802 | 4 | - |
| Chico Grange #486 | Chico, CA | 800 | 8 | - |
| 1000 Trails / Soledad Canyon Preserve | Acton, CA | 800 | 10 | - |
| Delaware North Parks Services at Tenaya | Fishcamp, CA | 800 | 24 | - |
| John Latoracca Correctional Facility | Merced, CA | 800 | 11 | - |
| South Yuba River State Park | Tahoma, CA | 800 | 3 | - |
| Plumas-Eureka S.p. | Tahoma, CA | 800 | 10 | - |
| Church of Jesus Christ of Lds (Sws) | Elk Grove, CA | 800 | 6 | - |
| Usn San Clemente Island | San Diego, CA | 800 | 57 | - |
| Senior Canyon Mutual Water Co | Ojai, CA | 800 | 42 | - |
| Monroe/Leinberger Cntr - Waters | Woodland, CA | 800 | 14 | - |
| West Valley County Water District | Sacramento, CA | 798 | 21 | - |
| Ponderosa Basin Mutual Wtr Co | Mariposa, CA | 798 | 30 | Clean |
| Daggett Comm Svcs Dist | Daggett, CA | 795 | 41 | - |
| Tahoe City PUD - Tahoe Cedars | Tahoe City, CA | 793 | 20 | - |
| Big Pine Csd | Big Pine, CA | 792 | 9 | - |
| Downieville Public U.d. | Downieville, CA | 783 | 20 | - |
| Jubilee MWC | Lucerne Valley, CA | 782 | 18 | - |
| Lake of the Woods MWC | Frazier Park, CA | 779 | 72 | - |
| San Luis Hills | Los Banos, CA | 779 | 46 | - |
| Mountain Mesa WC | Bakersfield, CA | 777 | 11 | - |
| Fcwwd 18/Friant | Friant, CA | 772 | 50 | - |
| Jireh Packing Group - Cutler | Orange Cove, CA | 770 | 12 | - |
| Yuima Municipal Water District Ida | Pauma Valley, CA | 769 | 25 | - |
| Riverside CSA #122-Mesa Verde | Blythe, CA | 766 | 364 | Clean |
| Whitehawk Ranch MWC | Clio, CA | 765 | 9 | - |
| Meadowcreek Mutual Water Company | Bishop, CA | 764 | 15 | - |
| Pine Hills Mutual Water Company | Julian, CA | 760 | 47 | - |
| Central High School West | Fresno, CA | 758 | 11 | - |