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 |
|---|---|---|---|---|
| ROBIN WAY WATER SYSTEM | CA4900913 | California | Community | 66 |
| RIVER RANCH FARM WORKER CENTER | CA2800035 | California | Community | 66 |
| ROLLING HILLS MUTUAL WATER COMPANY | CA4200851 | California | Community | 66 |
| GOLDEN HEIGHTS MUTUAL WATER COMPANY | CA4300992 | California | Community | 66 |
| MONDAVI FARM WORKER CENTER | CA2800040 | California | Community | 66 |
| OAKRIDGE SUBDIVISION MWC**CLOSED** | CA2701422 | California | Community | 66 |
| FOXEN VINEYARD INC. | CA4200952 | California | Transient Non-Community | 66 |
| KEELER COMMUNITY SERVICE DISTRICT | CA1400036 | California | Community | 66 |
| NAPLES | CA4200721 | California | Community | 66 |
| BOULDER CREEK TRAILER PARK | CA1400504 | California | Transient Non-Community | 66 |
| PALM MOTEL AND CAFE | CA1200731 | California | Transient Non-Community | 66 |
| BURNT MILL HEIGHTS WATER | CA3600035 | California | Community | 66 |
| THIRTY MILE CG | CO0353700 | California | Transient Non-Community | 66 |
| MURPHY HILL WS #02 | CA2700663 | California | Community | 66 |
| KINGS MOUNTAIN PARK MUTUAL | CA4100539 | California | Community | 66 |
| VIERRA KNOLLS MWC | CA2702055 | California | Community | 66 |
| FOOTHILL ESTATES MHP | CA3600386 | California | Community | 66 |
| VILLA TAHOE CONDOMINIUMS | CA0900624 | California | Transient Non-Community | 66 |
| WILLOW SPRINGS SCHOOL | CA5700650 | California | Transient Non-Community | 66 |
| EBRPD LITTLE HILLS | CA0706111 | California | Transient Non-Community | 66 |
| SPRING VALLEY HEIGHTS ASSOCIATION INC | CA4300856 | California | Community | 66 |
| TULARE UNION HIGH SCHOOL-FARM | CA5403016 | California | Transient Non-Community | 66 |
| BLUE LAKES VILLAGE | CA1700596 | California | Community | 65 |
| B&C PACKING | CA1000658 | California | Non-Transient Non-Community | 65 |
| DELTA TRADING WATER SYSTEM | CA1503660 | California | Non-Transient Non-Community | 65 |
| DELTA CONSERVATION CAMP | CA4810801 | California | Community | 65 |
| OAK ROOM THE | CA2000743 | California | Transient Non-Community | 65 |
| DRIPPING SPRINGS CG- USFS | CA3301693 | California | Transient Non-Community | 65 |
| BIG 7 MOTEL | CA0900537 | California | Transient Non-Community | 65 |
| FIRST UNITED METHODIST CHURCH | CA5101001 | California | Non-Transient Non-Community | 65 |
| COMMUNITY MUTUAL WATER CO | CA5601125 | California | Community | 65 |
| CDF - PILOT ROCK CONSERVATION CAMP | CA3610801 | California | Community | 65 |
| CAL FIRE SONOMA-LAKE-NAPA UNIT HQ | CA2810302 | California | Non-Transient Non-Community | 65 |
| REDWOOD NP - WOLF CREEK ESA | CA1210500 | California | Transient Non-Community | 65 |
| ROSE VILLA APARTMENTS | CA1500426 | California | Community | 65 |
| EVERGREEN MOBILE ESTATES | CA4900728 | California | Community | 65 |
| NUNEZ WATER COMPANY | CA3500517 | California | Community | 65 |
| YOSEMITE'S SCENIC WONDERS | CA2210946 | California | Transient Non-Community | 65 |
| SEBASTIANI VINEYARDS | CA4900925 | California | Transient Non-Community | 65 |
| CAPURRO & SON WS | CA2702296 | California | Non-Transient Non-Community | 65 |
| AZALEA GLEN | CA1200704 | California | Transient Non-Community | 65 |
| BROOKSIDE MHP | CA3600385 | California | Community | 65 |
| BONNIE & CLYDES SALOON | CA0706046 | California | Transient Non-Community | 65 |
| COLD WATER CANYON MWC | CA2600733 | California | Community | 65 |
| LONE PINE MUTUAL WATER COMPANY | CA4900653 | California | Community | 65 |
| HILLTOP RECOVERY CENTER | CA1700719 | California | Non-Transient Non-Community | 65 |
| MELVIN GREEN | CA3000765 | California | Community | 65 |
| GRANITE-BALL-GROVES | CA1000232 | California | Transient Non-Community | 65 |
| WAHL FAMILY WATER SYSTEM | CA0706045 | California | Transient Non-Community | 65 |
| SYNANON WALKER CREEK SETTLEMEN | CA2100548 | California | Community | 65 |