| LAKE MORENA COUNTY PARK | SAN DIEGO, CA | 300 | 8 | — |
| POTRERO ELEMENTARY SCHOOL | PINE VALLEY, CA | 300 | 16 | Detected |
| FEATHERSTONE CANYON CHRISTIAN CAMP | LAKESIDE, CA | 300 | 41 | — |
| SUTHERLAND RESERVOIR RECREATION AREA | LAKESIDE, CA | 300 | 6 | — |
| CITY OF SAN DIEGO - EL CAPITAN RESERVOIR | SAN DIEGO, CA | 300 | 2 | — |
| ESCALON PREMIER BRANDS | ESCALON, CA | 300 | 29 | — |
| MOREHEAD PARK | GREENBRAE, CA | 300 | 20 | — |
| FRANKS ONE/STOP FOOD MART WATER SYS | MANTECA, CA | 300 | 3 | — |
| SAHARA MOBILE COURT | PLEASANTON, CA | 300 | 13 | — |
| DENNY BOYS WATER SYSTEM | STOCKTON, CA | 300 | 22 | — |
| MUSD-NEW HAVEN SCHOOL | MANTECA, CA | 300 | 7 | — |
| CHEROKEE MEMORIAL PARK INC WATER SYSTEM | LODI, CA | 300 | 0 | — |
| COUNTY SERVICE AREA 7 | REDWOOD CITY, CA | 300 | 84 | — |
| MT. PLEASANT WATER USERS ASSOCIATION | SAN JOSE, CA | 300 | 30 | — |
| LUPIN LODGE | LOS GATOS, CA | 300 | 57 | — |
| MEL MAR MUTUAL WATER CO | PALO CEDRO, CA | 300 | 19 | — |
| ELEVATE CAMPS SMALL WATER SYSTEM | REDDING, CA | 300 | 8 | — |
| RANCHO MARKET | REDDING, CA | 300 | 0 | — |
| TNF-ASPEN CREEK/PASS CREEK | GRASS VALLEY, CA | 300 | 28 | — |
| BASSETT'S STATION | NEVADA CITY, CA | 300 | 5 | — |
| SISKIYOU CO. ROLLING HILLS MWC | YREKA, CA | 300 | 13 | — |
| R-RANCH HEADQUARTERS | HORNBROOK, CA | 300 | 19 | — |
| R-RANCH KLAMATH RIVER | HORNBROOK, CA | 300 | 15 | — |
| MARIANI PACKING COMPANY, INC. | VACAVILLE, CA | 300 | 1 | — |
| BRANGER MUTUAL WATER COMPANY, INC. | SANTA ROSA, CA | 300 | 17 | — |
| HOLLAND HEIGHTS MUTUAL WATER COMPANY | SANTA ROSA, CA | 300 | 22 | — |
| PALOMINO LAKES MUTUAL WATER CO. | CLOVERDALE, CA | 300 | 13 | — |
| LOMBARDI'S DELI & BBQ | PETALUMA, CA | 300 | 12 | — |
| SALMON CREEK MIDDLE SCHOOL | OCCIDENTAL, CA | 300 | 13 | — |
| THE LODGE AT SONOMA | SONOMA, CA | 300 | 1 | — |
| NMIP FIRE & WATER SYSTEM, LLC | MODESTO, CA | 300 | 17 | — |
| COVENANT GROVE CHURCH | MODESTO, CA | 300 | 0 | — |
| SYSCO FOOD SERVICES OF SACRAMENTO, INC. | PLEASANT GROVE, CA | 300 | 2 | — |
| BLACK BUTTE LAKE, HEADQUARTERS, USCOE | ORLAND, CA | 300 | 5 | — |
| HORIZON NUT LLC | TULARE, CA | 300 | 8 | — |
| TULARE COUNTY CIVIC CENTER | VISALIA, CA | 300 | 13 | — |
| OKIEVILLE HIGHLAND ACRES MWC | TULARE, CA | 300 | 4 | — |
| STRATHMORE MINIMART | PORTERVILLE, CA | 300 | 0 | — |
| USFS SOURGRASS CAMPGD | SONORA, CA | 300 | 4 | — |
| YOSEMITE NPS-WHITE WOLF | YOSEMITE NP, CA | 300 | 0 | — |
| HERINGER ESTATES WINERY | CLARKSBURG, CA | 300 | 8 | — |
| JACK IN THE BOX #3465 | FREMONT, CA | 300 | 20 | — |
| SACWEST RV PARK AND CAMPGROUND | WEST SACRAMENTO, CA | 300 | 17 | — |
| BERRYESSA BREWING COMPANY | WINTERS, CA | 300 | 11 | — |
| FIRST BAPTIST CHURCH | DAVIS, CA | 300 | 13 | — |
| HOPE FOUNDATION/MORIAH HEIGHTS | PLYMOUTH, CA | 299 | 36 | — |
| NPS - MANZANAR | INDEPENDENCE, CA | 298 | 2 | — |
| SAN PASQUAL ACADEMY | SPRING VALLEY, CA | 298 | 31 | — |
| NORTH PEAK MUTUAL WATER COMPANY | JULIAN, CA | 298 | 31 | — |
| LAKE MADRONE WATER DISTRICT | BERRY CREEK, CA | 297 | 37 | — |