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 |
|---|---|---|---|---|
| JUBILEE RAILROAD WILDERNESS LODGE | CA4700545 | California | Transient Non-Community | 140 |
| THE ROCK CHURCH | CA3400422 | California | Transient Non-Community | 140 |
| ARMOUR & COMPANY 2 | CA4800745 | California | Transient Non-Community | 140 |
| ANDERSEN AND SONS SHELLING | CA5200810 | California | Non-Transient Non-Community | 140 |
| LA CIMA CONSERVATION CAMP | CA0000410 | California | Community | 140 |
| COLUSA MOBILE TRAILER PARK | CA0600035 | California | Community | 140 |
| ORANGE COAST YELLOW CAB CO | CA3000780 | California | Non-Transient Non-Community | 140 |
| FRESNO COUNTY WATERWORKS | CA1000027 | California | Community | 140 |
| USAF MEDICAL AID STATION | CA0810700 | California | Community | 140 |
| SHERIFF/CORONER DEPT | CA3000821 | California | Transient Non-Community | 140 |
| HILLTOP RANCH - TURLOCK ROAD | CA2400330 | California | Non-Transient Non-Community | 140 |
| KENWOOD SCHOOL DISTRICT | CA4900691 | California | Non-Transient Non-Community | 140 |
| GLENRIDGE WATER CO | CA0900561 | California | Transient Non-Community | 140 |
| HARBISON CANYON ESTATES | CA3700964 | California | Community | 140 |
| MAHER MUTUAL WATER COMPANY | CA1500378 | California | Community | 140 |
| WILLOW PASS MOBILE HOME *CL 1/07-INACTIV | CA0707624 | California | Community | 140 |
| REDWOOD ADVENTIST ACADEMY | CA4900890 | California | Non-Transient Non-Community | 140 |
| CAL FIRE - VALLEY VIEW C.C | CA1110800 | California | Non-Transient Non-Community | 140 |
| SEQUOIA DAWN | CA5400793 | California | Community | 140 |
| FARRAR PARK PROPERTY OWNERS | CA0706005 | California | Community | 140 |
| GRAN CIELO MUTUAL WATER COMPANY | CA4000853 | California | Community | 139 |
| MATANZAS CREEK WINERY | CA4901248 | California | Non-Transient Non-Community | 139 |
| ROSA MORADA MUTUAL WATER COMPANY | CA3500549 | California | Community | 138 |
| ELKHORN BOAT LAUNCH [SWS] | CA3400123 | California | Transient Non-Community | 138 |
| LAKE TULLOCH CAMPGRD & MARINA | CA5500049 | California | Transient Non-Community | 138 |
| HARVEST MOON MUTUAL WATER CO | CA1500546 | California | Community | 138 |
| COAST SPRINGS WATER COMPANY | CA2100503 | California | Community | 138 |
| CWS - MULLEN WATER COMPANY | CA5400935 | California | Community | 138 |
| SIERRA GRANDE ESTATES MUTUAL WATER CO. | CA1400070 | California | Community | 138 |
| OAKHURST MOBILE HOME ESTATES | CA2000593 | California | Community | 138 |
| SPORTSMANS PARADISE | CA1300622 | California | Community | 138 |
| MESA GRANDE CAMPGROUND | CA3301427 | California | Transient Non-Community | 138 |
| MAGNOLIA MHP | NC0145172 | California | Community | 138 |
| PLAINVIEW MWC - CENTRAL WATER | CA5400682 | California | Community | 138 |
| CEDAR VALLEY MUTUAL WATER CO | CA2000538 | California | Community | 137 |
| RIVERBEND MOBILE HOME & RV PARK | CA1000426 | California | Community | 137 |
| EL NIDO MOBILE HOME PARK | CA2400053 | California | Community | 137 |
| AHWAHNEE HILLS SCHOOL | CA2000617 | California | Community | 137 |
| Round Valley Hidden Oaks Casino and Restaurant | 090605177 | California | Non-Transient Non-Community | 137 |
| CASCADEL MUTUAL WATER SYSTEM | CA2000509 | California | Community | 137 |
| SIERRA CHRISTIAN CAMP | CA5401099 | California | Transient Non-Community | 136 |
| ALBEE CREEK CAMPGROUND | CA1200560 | California | Transient Non-Community | 136 |
| STANDIFORD MHP WATER SYSTEM | CA5000064 | California | Community | 136 |
| CASCADE MOBILE HOME PARK | CO0121166 | California | Community | 136 |
| FETZER VINEYARDS | CA2300852 | California | Non-Transient Non-Community | 136 |
| USFS - AH-DI-NA CAMPGROUND | CA4500310 | California | Transient Non-Community | 136 |
| CALFIRE-ALDER CONSERVATION CAMP | CA0810800 | California | Non-Transient Non-Community | 135 |
| ARMOUR & CO NO 1 | CA4800516 | California | Transient Non-Community | 135 |
| IDLEWILD CAMPGROUND | CA4700608 | California | Transient Non-Community | 135 |
| KELLY MUTUAL WATER COMPANY | CA4900560 | California | Community | 135 |