Browse Water Systems
19,626 public water systems in CA.
Public Water Systems Database
Browse 19,626 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.
| System Name | PWSID | State | Type | Population Served |
|---|---|---|---|---|
| DAYLOR WILLIAM | CA3400252 | California | Transient Non-Community | 400 |
| GOLD ARROW CAMP | CA1000158 | California | Transient Non-Community | 400 |
| TOM ADCOCK | CA2701711 | California | Community | 400 |
| GATEWAY OF THE AMERICAS | CA1310018 | California | Community | 400 |
| POINT ARENA WATER WORKS NO 1 | CA2300561 | California | Community | 400 |
| PLA-VADA PROP OWNERS ASSOC | CA2900509 | California | Transient Non-Community | 400 |
| HOMETOWN COLONIAL ESTATES LLC | CA3400217 | California | Community | 400 |
| Camp Yolijwa | CA3600757 | California | Transient Non-Community | 400 |
| MONTEREY BAY ACADEMY | CA4400755 | California | Community | 400 |
| PIONEER MARKET | CA2000638 | California | Transient Non-Community | 400 |
| CERES SPORTS ARENA | CA5000434 | California | Transient Non-Community | 400 |
| OLIVET ELEMENTARY SCHOOL | CA4900699 | California | Non-Transient Non-Community | 400 |
| PLAINFIELD ELEM SCHOOL - WATER | CA5700643 | California | Non-Transient Non-Community | 400 |
| REDWOODS WATER SYSTEM | CA2203020 | California | Transient Non-Community | 400 |
| CSA 51 | CA3301381 | California | Community | 400 |
| MCHA Felix Torres (Planada) | CA2400112 | California | Non-Transient Non-Community | 400 |
| DEPT OF PARKS & RECREATION | CA1400050 | California | Transient Non-Community | 400 |
| SUNSET VISTA ESTATES MHP | CA1600002 | California | Community | 400 |
| RAYTHEON COMPANY | CA5602502 | California | Transient Non-Community | 400 |
| NAPA VALLEY COUNTRY CLUB | CA2800588 | California | Non-Transient Non-Community | 400 |
| ANHEVSER BUSCH | CA4800711 | California | Transient Non-Community | 400 |
| SYCAMORE CANYON GOLF COURSE | CA1502745 | California | Transient Non-Community | 400 |
| C-store | 090605166 | California | Transient Non-Community | 400 |
| HIDDEN HOLLOW MHC | AZ0403362 | California | Community | 400 |
| CALIFORNIA CANNERS & GROWERS | CA4300607 | California | Transient Non-Community | 400 |
| AGUA CALIENTE COUNTY PARK | CA3700846 | California | Transient Non-Community | 400 |
| BASALT ROCK COMPANY | CA2800577 | California | Transient Non-Community | 400 |
| BUNDY CANYON CHRISTIAN SCHOOL | CA3302019 | California | Non-Transient Non-Community | 400 |
| REDWOODS WATER SYSTEM | CA2200020 | California | Transient Non-Community | 400 |
| GGNRA-FORT FUNSTON | CA3810701 | California | Transient Non-Community | 400 |
| CAMANCHE HILLS HUNTING PRESERVE, INC. | CA0300058 | California | Transient Non-Community | 400 |
| GILROY FOODS, GILROY EAST PLANT | CA4300609 | California | Non-Transient Non-Community | 400 |
| KAY'S RESORT | CA0300050 | California | Transient Non-Community | 400 |
| PACIFIC COAST PACKING CORP | CA0000008 | California | Transient Non-Community | 400 |
| LAKE VERA M.W.C. | CA2900545 | California | Transient Non-Community | 400 |
| MONARCH NUT COMPANY | CA5403140 | California | Non-Transient Non-Community | 400 |
| GSA TECATE PORT OF ENTRY | CA3710048 | California | Non-Transient Non-Community | 400 |
| WIENERSCHNITZEL | CA3901120 | California | Transient Non-Community | 400 |
| LAKE SHERWOOD | CA5603102 | California | Community | 400 |
| ACTON LA NORTH KOA | CA1900092 | California | Transient Non-Community | 400 |
| ROYAL OAK | CA5700536 | California | Community | 400 |
| CSP-MENDOCINO WOODLANDS | CA2310313 | California | Transient Non-Community | 400 |
| LAKE FOREST WATER CO | CA3100028 | California | Community | 400 |
| CITIZENS UTILITIES CO | CA3410117 | California | Community | 400 |
| WEST FRESNO MIDDLE SCHOOL | CA1000219 | California | Non-Transient Non-Community | 400 |
| GREEN HILLS COUNTRY CLUB WATER | CA4100500 | California | Transient Non-Community | 400 |
| CO OF SAN JOAQUIN | CA3900955 | California | Transient Non-Community | 400 |
| WEST GOSHEN MUTUAL WATER CO | CA5400957 | California | Community | 400 |
| CHESTER HIGH SCHOOL | CA3200089 | California | Transient Non-Community | 400 |
| TWIN HILLS SCHOOL DIST-APPLE BLOSSOM SCH | CA4900710 | California | Non-Transient Non-Community | 400 |