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 |
|---|---|---|---|---|
| MAYWOOD MOBILE HOME PARK | CA5200556 | California | Community | 140 |
| DE CARLI RANCH WATER SYSTEM | CA3900806 | California | Community | 140 |
| THE ROCK CHURCH | CA3400422 | California | Transient Non-Community | 140 |
| SON SHINE PROPERTIES | CA1502040 | California | Community | 140 |
| MCHA ATWATER CENTER-CLOSED | CA2400110 | California | Non-Transient Non-Community | 140 |
| SHERIFF/CORONER DEPT | CA3000821 | California | Transient Non-Community | 140 |
| FAR EAST APARTMENTS POOL | CA5000344 | California | Community | 140 |
| RAM'S GATE WINERY | CA4901120 | California | Non-Transient Non-Community | 140 |
| BROOKTRAILS IMPROVEMENT DIST | CA2300593 | California | Community | 140 |
| REDWOOD ADVENTIST ACADEMY | CA4900890 | California | Non-Transient Non-Community | 140 |
| KENWOOD SCHOOL DISTRICT | CA4900691 | California | Non-Transient Non-Community | 140 |
| RIO VIENTO RV CAMP [SWS] | CA3400420 | California | Transient Non-Community | 140 |
| D&A WAREHOUSING LLC | ID7100187 | California | Non-Transient Non-Community | 140 |
| CAL FIRE - VALLEY VIEW C.C | CA1110800 | California | Non-Transient Non-Community | 140 |
| NORTHSHORE RV RESORT INC | CA3601168 | California | Transient Non-Community | 140 |
| WILLOW PASS MOBILE HOME *CL 1/07-INACTIV | CA0707624 | California | Community | 140 |
| D G M WATER CO | CA1500505 | California | Community | 140 |
| EL DORADO IMPROVEMENT CORP | CA0900534 | California | Transient Non-Community | 140 |
| LA CIMA CONSERVATION CAMP | CA7300410 | California | Community | 140 |
| COLUSA MOBILE TRAILER PARK | CA0600035 | California | Community | 140 |
| GRANTS PASS MOBILE HOME PARK LLC | OR4101175 | California | Community | 140 |
| LA CIMA CONSERVATION CAMP | CA0000410 | California | Community | 140 |
| HARLEY H STITES | CA1500343 | California | Community | 140 |
| ELDERS TRAILER PARK | CA3100065 | California | Community | 140 |
| GREELEY HILL ELEMENTARY SCHOOL | CA2200031 | California | Transient Non-Community | 140 |
| PLASKETT RECREATIONAL AREA | CA1100554 | California | Transient Non-Community | 140 |
| GRAN CIELO MUTUAL WATER COMPANY | CA4000853 | California | Community | 139 |
| MATANZAS CREEK WINERY | CA4901248 | California | Non-Transient Non-Community | 139 |
| ELKHORN BOAT LAUNCH [SWS] | CA3400123 | California | Transient Non-Community | 138 |
| CWS - MULLEN WATER COMPANY | CA5400935 | California | Community | 138 |
| OAKHURST MOBILE HOME ESTATES | CA2000593 | California | Community | 138 |
| MESA GRANDE CAMPGROUND | CA3301427 | California | Transient Non-Community | 138 |
| SPORTSMANS PARADISE | CA1300622 | California | Community | 138 |
| HARVEST MOON MUTUAL WATER CO | CA1500546 | California | Community | 138 |
| LAKE TULLOCH CAMPGRD & MARINA | CA5500049 | California | Transient Non-Community | 138 |
| ROSA MORADA MUTUAL WATER COMPANY | CA3500549 | California | Community | 138 |
| MAGNOLIA MHP | NC0145172 | California | Community | 138 |
| SIERRA GRANDE ESTATES MUTUAL WATER CO. | CA1400070 | California | Community | 138 |
| COAST SPRINGS WATER COMPANY | CA2100503 | California | Community | 138 |
| PLAINVIEW MWC - CENTRAL WATER | CA5400682 | California | Community | 138 |
| EL NIDO MOBILE HOME PARK | CA2400053 | California | Community | 137 |
| CASCADEL MUTUAL WATER SYSTEM | CA2000509 | California | Community | 137 |
| AHWAHNEE HILLS SCHOOL | CA2000617 | California | Community | 137 |
| RIVERBEND MOBILE HOME & RV PARK | CA1000426 | California | Community | 137 |
| CEDAR VALLEY MUTUAL WATER CO | CA2000538 | California | Community | 137 |
| Round Valley Hidden Oaks Casino and Restaurant | 090605177 | California | Non-Transient Non-Community | 137 |
| STANDIFORD MHP WATER SYSTEM | CA5000064 | California | Community | 136 |
| USFS - AH-DI-NA CAMPGROUND | CA4500310 | California | Transient Non-Community | 136 |
| FETZER VINEYARDS | CA2300852 | California | Non-Transient Non-Community | 136 |
| SIERRA CHRISTIAN CAMP | CA5401099 | California | Transient Non-Community | 136 |