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 |
|---|---|---|---|---|
| MCARTHUR MOBILEHOME PARK | CA4500084 | California | Community | 99 |
| EAST TULE WATER DISTRICT | CA4700890 | California | Community | 99 |
| OLANCHA ELEMENTARY SCHOOL | CA1400042 | California | Transient Non-Community | 99 |
| PINE CREEK MILL DOMESTIC/PLANT | CA1400126 | California | Non-Transient Non-Community | 99 |
| CALI LAKE RV RESORT | CA1900975 | California | Community | 99 |
| HIGH SIERRA SPRINGS | CA1400125 | California | Community | 99 |
| POOL WATER SYSTEM | CA1400080 | California | Non-Transient Non-Community | 99 |
| ZELLHOEFER WATER SYSTEM | CA1400097 | California | Transient Non-Community | 99 |
| LONE PINE CONVALESCENT HOSPITAL | CA1400101 | California | Community | 99 |
| GOODALE CREEK CAMPGROUND | CA1400533 | California | Transient Non-Community | 99 |
| NO NAME WATER SYSTEM | CA1400105 | California | Transient Non-Community | 99 |
| CAIRDEAN WINERY | CA2800111 | California | Transient Non-Community | 99 |
| PINE CREEK MILL DOMESTIC/MINE | CA1400082 | California | Non-Transient Non-Community | 99 |
| Frontier Motel | CA1400057 | California | Transient Non-Community | 99 |
| LILI VALLEY WATER CO. | CA0500027 | California | Community | 99 |
| DUNROVIN MOBILE HOME VILLAGE | CA0500068 | California | Community | 99 |
| ARMY CORP OF ENGINEERS | CA5000431 | California | Transient Non-Community | 99 |
| SAND DOLLAR BEACH CSA 5 | CA4400601 | California | Community | 98 |
| BUENA VISTA SCHOOL DISTRICT | CA1502026 | California | Non-Transient Non-Community | 98 |
| EVERGREEN MUTUAL WATER COMPANY | CA1900804 | California | Community | 98 |
| WATSONVILLE PRODUCE INC | CA2700518 | California | Non-Transient Non-Community | 98 |
| UNION HEIGHTS MWC | CA3500825 | California | Community | 98 |
| Upper Lake Hardisty System | 090605025 | California | Community | 98 |
| FIVE POINTS RANCH | CA1009020 | California | Community | 98 |
| CALAVERAS COUNTY WATER DIST-WI | CA0500040 | California | Community | 98 |
| WINTERSBURG COMMUNITY | CA3000723 | California | Community | 98 |
| HARRIS FARMS/HORSE BARN | CA1000213 | California | Community | 98 |
| GORMAN ELEMENTARY SCHOOL | CA1900912 | California | Non-Transient Non-Community | 98 |
| EDEN VALLEY IRRIGATION ASSOCIATION | CA3100024 | California | Community | 98 |
| SILVERWOOD MHP #2 WATER SYSTEM | CA5000081 | California | Community | 98 |
| CHRISTIAN BERETS | CA5500142 | California | Transient Non-Community | 98 |
| GRIER MUTUAL WATER COMPANY | CA5400728 | California | Community | 98 |
| SILVERWOOD MHP #1 WATER SYSTEM | CA5000063 | California | Community | 98 |
| FLRISH FARMS WS | CA2700147 | California | Non-Transient Non-Community | 97 |
| LONG BARN PROPERTY OWNERS | CA5500057 | California | Community | 97 |
| VALLEY VIEW ESTATES MUTUAL WATER CO | CA1500569 | California | Community | 97 |
| BIG SPRINGS MUTUAL WATER SYSTEM | CA4500027 | California | Community | 97 |
| NINDES STORE | VA6099300 | California | Community | 97 |
| WILBUR HOT SPRINGS | CA0600016 | California | Transient Non-Community | 97 |
| SIKH TEMPLE MODESTO-CERES | CA5000512 | California | Transient Non-Community | 97 |
| CALIFORNIA CITRUS ASSOCIATION | CA5403106 | California | Non-Transient Non-Community | 96 |
| USFS-JERKEY MEADOW TRAILHEAD / UHL WC | CA5403034 | California | Transient Non-Community | 96 |
| RED ROOSTER CAMP | CA3301544 | California | Transient Non-Community | 96 |
| USFS BEARDSLEY CAMPGROUND | CA5500358 | California | Transient Non-Community | 96 |
| SOUTH SANDS RV PARK | TX0040062 | California | Transient Non-Community | 96 |
| UPPER LINE CREEK IMPRVMNT ASSN | CA1000076 | California | Transient Non-Community | 96 |
| SAN CLEMENTE RANCHO WS | CA2701325 | California | Transient Non-Community | 96 |
| VILLA ROBLES WATER SYSTEM | CA3500929 | California | Transient Non-Community | 96 |
| CASTILE CANYON SCHOOL | CA3302054 | California | Community | 96 |
| Yurok - Wautec | 090600134 | California | Community | 96 |