Browse Water Systems
20,012 public water systems in CA.
Public Water Systems Database
Browse 20,012 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 |
|---|---|---|---|---|
| BURGER BOX WATER (OOB 11/06) | CA3301062 | California | Transient Non-Community | 100 |
| ZACA LAKE RETREAT | CA4200830 | California | Transient Non-Community | 100 |
| WINTERS COURTESY CHEVRON-WATER | CA5700801 | California | Transient Non-Community | 100 |
| BEND ELEMENTARY SCHOOL | CA5200511 | California | Non-Transient Non-Community | 100 |
| EL MONTE VILLAGE MHP | CA5400523 | California | Community | 100 |
| MENDOCINO COVE | CA2300524 | California | Transient Non-Community | 100 |
| BREWING LAIR | CA3200219 | California | Transient Non-Community | 100 |
| DUBACH CITY PARK | CA5700789 | California | Transient Non-Community | 100 |
| CIRCLE K #9641 | OR4195225 | California | Transient Non-Community | 100 |
| MOLINO CORNER WATER SYSTEM | CA4901341 | California | Transient Non-Community | 100 |
| MARIANNA OAKS GOLF COURSE | FL1324037 | California | Transient Non-Community | 100 |
| ST PATRICKS SEMINARY | CA4100562 | California | Community | 100 |
| NEW MELONES LAKE MARINA | CA0500032 | California | Transient Non-Community | 100 |
| LODGE AT BLUE LAKES | CA1700617 | California | Transient Non-Community | 100 |
| PENN VALLEY SHELL | CA2902392 | California | Transient Non-Community | 100 |
| CACHE CANYON RIVER TRIPS | CA5700776 | California | Transient Non-Community | 100 |
| PIONEER MARKET | CA2000823 | California | Transient Non-Community | 100 |
| MOSS LANDING COMMERCIAL PK WS | CA2701439 | California | Non-Transient Non-Community | 100 |
| MCMANIS FAMILY VINEYARDS INC. | CA3902215 | California | Non-Transient Non-Community | 100 |
| LYTLE CREEK ADMINISTRATION SITE | CA3600478 | California | Non-Transient Non-Community | 100 |
| Manchester Rancheria | 090600139 | California | Community | 100 |
| RIVER INN RESORT WS**CLOSED** | CA2702326 | California | Non-Transient Non-Community | 100 |
| O.A.R.S., INC #70 | CA0900423 | California | Transient Non-Community | 100 |
| SHELL OIL SERVICE STATION | CA4300798 | California | Transient Non-Community | 100 |
| NAPREDAK HALL | CA4300797 | California | Transient Non-Community | 100 |
| CAMP SYCAMORE | CA4300796 | California | Transient Non-Community | 100 |
| CDF-KONOCTI CONSERVATION CAMP NO. 27 | CA1710800 | California | Community | 100 |
| LEO FLESNER | CA5700559 | California | Transient Non-Community | 100 |
| LEMON COVE-SEQUOIA CAMP | CA5400628 | California | Transient Non-Community | 100 |
| FRIDAY'S RETREAT | CA4500256 | California | Transient Non-Community | 100 |
| LEGGETT VALLEY SCHOOL | CA2300785 | California | Non-Transient Non-Community | 100 |
| OPUS ONE WINERY | CA2801026 | California | Non-Transient Non-Community | 100 |
| SPEIGLE FOODS | CA2701189 | California | Transient Non-Community | 100 |
| HINES NURSERY WINTERS SOUTH | CA4810033 | California | Non-Transient Non-Community | 100 |
| FAST & EASY MART #54 - WATER | CA5700600 | California | Transient Non-Community | 100 |
| KINGDOM HALL JEHOVAH WITNESS | CA5000500 | California | Transient Non-Community | 100 |
| RIVEN ROCK MUTUAL WATER CO | CA4200642 | California | Community | 100 |
| USFS | CA4200641 | California | Transient Non-Community | 100 |
| VINEBURG DELI & GROCERY | CA4901083 | California | Transient Non-Community | 100 |
| GRAY'S MART AND GAS | CA0900107 | California | Transient Non-Community | 100 |
| FOREST EDGE APARTMENTS LLC | WI7641097 | California | Community | 100 |
| LOS PRIETOS RANGER STATION | CA4200632 | California | Community | 100 |
| SCHRAMEL WATER SYSTEM | CA3200215 | California | Non-Transient Non-Community | 100 |
| LIVE OAK CAMPGROUND | CA4200960 | California | Transient Non-Community | 100 |
| USFS | CA4200542 | California | Transient Non-Community | 100 |
| MONTECITO CREEK | CA4200575 | California | Community | 100 |
| FAIRWAY DOWNS MUTUAL WATER CO | CA5800572 | California | Community | 100 |
| CIELO STORE | CA4200624 | California | Transient Non-Community | 100 |
| CRESTON ELEMENTARY SCHOOL | CA4000693 | California | Non-Transient Non-Community | 100 |
| SPINDRIFT MARINA | CA3400169 | California | Community | 100 |