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 |
|---|---|---|---|---|
| MIDDLE RIVER INN | CA3900765 | California | Transient Non-Community | 100 |
| FIRE MTN LODGE | CA4900930 | California | Community | 100 |
| WILD HORSE VALLEY RANCH | CA2800680 | California | Transient Non-Community | 100 |
| EAGLE ROOFING PRODUCTS OF FLORIDA, LLC. | FL6605030 | California | Non-Transient Non-Community | 100 |
| C/O J. HARDY | CA4900923 | California | Transient Non-Community | 100 |
| SIERRA ESTATES MUTUAL WATER COMPANY | CA2900548 | California | Community | 100 |
| MEDERIOS CAMPGROUND | CA2400126 | California | Transient Non-Community | 100 |
| SUBWAY SANDWICH | CA3400466 | California | Transient Non-Community | 100 |
| SONOMA MISSION APARTMENTS | CA4900918 | California | Community | 100 |
| MILLIKEN CAMP | CA2800667 | California | Transient Non-Community | 100 |
| HOMEGROWN COLD STORAGE | CA1600603 | California | Transient Non-Community | 100 |
| SUZIES ON THE MOUNTAIN | CA2800504 | California | Transient Non-Community | 100 |
| CEMEX CALIF CEMENT LLC AV | CA3601130 | California | Non-Transient Non-Community | 100 |
| CEMEX CALIF CEMENT LLC VV | CA3601062 | California | Non-Transient Non-Community | 100 |
| TABLE MT CHEVRON | CA2000850 | California | Transient Non-Community | 100 |
| EL RANCHITO #2 | CA2400092 | California | Transient Non-Community | 100 |
| COUNTY MARKET #452 | IL3124768 | California | Transient Non-Community | 100 |
| EXCEL GAS AND MARKET | CA5700558 | California | Transient Non-Community | 100 |
| LOCH LEVEN CHRISTIAN CAMP & CONFERENCE C | CA3600760 | California | Transient Non-Community | 100 |
| LAGUNA MOUNTAIN MUTUAL WATER CO. | CA3700422 | California | Community | 100 |
| Forebay Unocal CLOSED | CA2400035 | California | Transient Non-Community | 100 |
| CROWLEY LAKE GENERAL STORE | CA2600708 | California | Transient Non-Community | 100 |
| EL BARRIO | IL3142752 | California | Transient Non-Community | 100 |
| SO TRINITY UNIFIED SCHOOL DIST. | CA5305107 | California | Non-Transient Non-Community | 100 |
| FRANKIES PIZZA | CA2301003 | California | Transient Non-Community | 100 |
| VOLTA ELEMENTARY SCHOOL | CA2400090 | California | Transient Non-Community | 100 |
| NORTH WAWONA ESTATES | CA2203018 | California | Transient Non-Community | 100 |
| WESTWARD HO MOBILE HOME PARK | CA5000073 | California | Community | 100 |
| WRIGHTWOOD COUNTRY CLUB | CA3601047 | California | Transient Non-Community | 100 |
| ESAU COMMERCIAL CENTER | CA2400037 | California | Transient Non-Community | 100 |
| CUSD DISTRICT OFFICE | CA0500097 | California | Non-Transient Non-Community | 100 |
| OPUS ONE WINERY | CA2801026 | California | Non-Transient Non-Community | 100 |
| DIXON LIVESTOCK AUCTION | CA4800517 | California | Transient Non-Community | 100 |
| BRADLEY UNION SCHOOL WS | CA2700964 | California | Non-Transient Non-Community | 100 |
| MOORE LEARNING (FORMERLY SHELDON ACRES) | CA3400402 | California | Non-Transient Non-Community | 100 |
| CAL TRANS DISTRICT 2 | CA3200090 | California | Transient Non-Community | 100 |
| PORTERVILLE CITRUS RAYO | CA5400541 | California | Non-Transient Non-Community | 100 |
| RANCHO PRIMERO #43 | CA3301776 | California | Transient Non-Community | 100 |
| BEAR MOUNTAIN TRUCK STOP | CA1502799 | California | Transient Non-Community | 100 |
| MT WILSON | CA1900749 | California | Community | 100 |
| SUMNER PECK RANCH | CA1000591 | California | Transient Non-Community | 100 |
| NVUSD: WOODEN VALLEY SCHOOL | CA2800845 | California | Non-Transient Non-Community | 100 |
| NVUSD: CARNEROS SCHOOL | CA2800847 | California | Non-Transient Non-Community | 100 |
| PELORIA DIGGER BAY LLC | CA4500071 | California | Transient Non-Community | 100 |
| ANDERSON VINEYARD | CA2801000 | California | Transient Non-Community | 100 |
| WILLOW CREEK SCHOOL | CA4700569 | California | Non-Transient Non-Community | 100 |
| EL COYOTE LOCO | CA3601161 | California | Transient Non-Community | 100 |
| NEWBERRY CHEVRON | CA3601101 | California | Transient Non-Community | 100 |
| GLASHOFF'S FRUIT STAND | CA4800823 | California | Transient Non-Community | 100 |
| CHATEAU BOSWELL | CA2801003 | California | Transient Non-Community | 100 |