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 |
|---|---|---|---|---|
| SAN PASQUAL UNION SCHOOL | CA3700978 | California | Non-Transient Non-Community | 100 |
| SAN BERNARDINO CO SERVICE AREA | CA3610122 | California | Community | 100 |
| HARBOR TRAILER PARK | CA2300732 | California | Community | 100 |
| FREMONT PEAK STATE PARK | CA3500512 | California | Transient Non-Community | 100 |
| FEATHER RIVER FOREST PRODUCTS - INACTIVE | CA5800861 | California | Transient Non-Community | 100 |
| PRIME DESERT PROPERTIES | CA3600791 | California | Transient Non-Community | 100 |
| WAUKENA MARKET | CA5402030 | California | Transient Non-Community | 100 |
| CAMP MOZUMDAR | CA3600775 | California | Transient Non-Community | 100 |
| GARY CARPENTER | CA5300005 | California | Community | 100 |
| LOCH LEVEN CHRISTIAN CAMP & CONFERENCE C | CA3600760 | California | Transient Non-Community | 100 |
| LAGUNA MOUNTAIN MUTUAL WATER CO. | CA3700422 | California | Community | 100 |
| ROYAL MADERA VINEYARD | CA2000650 | California | Transient Non-Community | 100 |
| MOUNTAIN HOUSE RESTAURANT | CA2000656 | California | Transient Non-Community | 100 |
| VALLEY GRAIN PRODUCTS | CA2000658 | California | Transient Non-Community | 100 |
| OBERTI OLIVE | CA2000661 | California | Non-Transient Non-Community | 100 |
| NEWTON VINEYARD | CA2801025 | California | Transient Non-Community | 100 |
| SAN LUIS REY PICNIC GROUND | CA3700036 | California | Transient Non-Community | 100 |
| CITIZENS UTILITIES CO | CA3410217 | California | Community | 100 |
| JIM & LINDA FOLEY | CA5300007 | California | Transient Non-Community | 100 |
| MISSION SCHOOL WS | CA2702317 | California | Non-Transient Non-Community | 100 |
| GRACE MENNONITE SCHOOL | CA2400099 | California | Non-Transient Non-Community | 100 |
| PILOT ROCK CONSERVATION CAMP | CA7300118 | California | Community | 100 |
| DESERT GARDENS RANCH | CA3301201 | California | Transient Non-Community | 100 |
| DESERT AIR HOTEL | CA3301198 | California | Transient Non-Community | 100 |
| ST. CLEMENT VINEYARDS INC. | CA2801045 | California | Transient Non-Community | 100 |
| COUNTRY SQUIRE TRAILER PARK | CA3301170 | California | Community | 100 |
| NO. 1 GOLF DRIVING RANGE | CA1503214 | California | Transient Non-Community | 100 |
| SHEPARD'S INN | CA1700714 | California | Transient Non-Community | 100 |
| HAMILTON STREET PARK | CA3400359 | California | Transient Non-Community | 100 |
| PARKLANE HOTEL | CA3400200 | California | Transient Non-Community | 100 |
| BARREL CLUB | CA3400209 | California | Transient Non-Community | 100 |
| VINCE'S RESTAURANT | CA3400210 | California | Transient Non-Community | 100 |
| GRUBSTEAK | CA3400212 | California | Transient Non-Community | 100 |
| MDC - SECURITY PARK | CA3400218 | California | Transient Non-Community | 100 |
| Atwater Livestock Auction Co. | CA2400156 | California | Transient Non-Community | 100 |
| CLEARWATER NURSERY | CA4000207 | California | Non-Transient Non-Community | 100 |
| ALDER CONSERVATION CAMP | CA7300603 | California | Community | 100 |
| Forebay Unocal CLOSED | CA2400035 | California | Transient Non-Community | 100 |
| MERCED COUNTY (FORMER HOSPITAL)-CLOSED | CA2400033 | California | Transient Non-Community | 100 |
| Reyes Camp-CLOSED | CA2400026 | California | Transient Non-Community | 100 |
| COTTAGES, THE CLOSED | CA2400009 | California | Community | 100 |
| ACORN MOBILE VILLAGE | CA3400352 | California | Community | 100 |
| WHITTAKER ORDINANCE (HOLIX) | CA3500809 | California | Non-Transient Non-Community | 100 |
| CRAIG ROQUE LABOR CAMP | CA1000448 | California | Transient Non-Community | 100 |
| HACIENDA VASQUEZ MOBILE HOME PARK | CA1900066 | California | Community | 100 |
| SUPER MERCADO CATLACIENDA JOLIET | IL3151910 | California | Transient Non-Community | 100 |
| IRON HOG RESTAURANT & SALOON | CA3600577 | California | Transient Non-Community | 100 |
| Pacific Pines Camp | CA3600584 | California | Transient Non-Community | 100 |
| GALLO GLASS COMPANY | CA2400142 | California | Community | 100 |
| TONYS FINER FOODS NORTH RIVERSIDE | IL3144584 | California | Transient Non-Community | 100 |