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 |
|---|---|---|---|---|
| BLOCK 77 WATER COMPANY | CA3301877 | California | Community | 59 |
| CHETMOORE ACRES WA | CA2700634 | California | Community | 59 |
| THIMIO MWC | CA2702608 | California | Community | 59 |
| BROOKSIDE ESTATES MUTUAL WATER COMPANY | CA1400056 | California | Community | 59 |
| MOUNT KARE CAMP/KARE YOUTH LEAGUE | CA1901002 | California | Transient Non-Community | 59 |
| WHITE CHIEF LODGE | CA2200023 | California | Transient Non-Community | 59 |
| SANTA RITA WATER | CA4200822 | California | Community | 59 |
| GLEN OAKS WS #01 | CA2701825 | California | Transient Non-Community | 59 |
| DWR. PEARBLOSSOM PUMPING PLANT (SWTP) | CA1910601 | California | Transient Non-Community | 59 |
| DELORES LANE WATER SYSTEM | CA4901346 | California | Community | 59 |
| AUBURN MOBILE HOME VILLAGE | CA3100023 | California | Community | 59 |
| CORDILLERS MUTUAL WATER COMPANY | CA4100606 | California | Community | 59 |
| LIME SADDLE ESTATES MHP | CA0400057 | California | Community | 59 |
| MORTON'S WARM SPRINGS / SONOMA SPRINGS | CA4900533 | California | Community | 59 |
| RILEYS PLACE | CA3600512 | California | Transient Non-Community | 58 |
| DAKOTA SHY WINERY | CA2800064 | California | Transient Non-Community | 58 |
| LAKE PILLSBURY PINES | CA1700598 | California | Transient Non-Community | 58 |
| HOLLAND HULLING COMPANY | CA1000317 | California | Transient Non-Community | 58 |
| PARADISE VALLEY CAFE | CA3303077 | California | Transient Non-Community | 58 |
| QUEEN'S INN BY THE RIVER | CA2000568 | California | Transient Non-Community | 58 |
| GOLDEN OAKS MOBILE ESTATE | CA5601107 | California | Community | 58 |
| KATHERINE RESORTS WATER COMPANY | AZ0408018 | California | Community | 58 |
| COFFEE CR GUARD STATION | CA5300074 | California | Transient Non-Community | 58 |
| BLACK BEAR LODGE | CA0900592 | California | Transient Non-Community | 58 |
| SMITH CREEK MUTUAL WATER CO. | CA3200086 | California | Community | 58 |
| THE YUBAVERSE | CA4600066 | California | Transient Non-Community | 58 |
| HUMBOLDT HIGHLANDS MUTUAL | CA0400123 | California | Community | 58 |
| TIERRA MEADOWS HOA WS | CA2701367 | California | Community | 58 |
| RYEL FAMILY TRUST | CA2400211 | California | Non-Transient Non-Community | 58 |
| LA HACIENDA DEL TORO | CA4900817 | California | Transient Non-Community | 58 |
| DELIGHT'S HOT SPRINGS RESORT | CA1400088 | California | Transient Non-Community | 58 |
| FIELD SPORTS PARK/COYOTE RANCH | CA4300937 | California | Transient Non-Community | 58 |
| BROOKINGS PIPELINE MUTUAL | CA3600033 | California | Community | 58 |
| ALDERPOINT COUNTY WATER | CA1200501 | California | Community | 58 |
| UKONOM RANGER STATION | CA4700712 | California | Community | 58 |
| JED SMITH HOMEOWNERS ASSN. | CA0800825 | California | Community | 58 |
| RANCHO CHAPARRAL MWC | CA2701278 | California | Community | 58 |
| GROWERS TRANSPLANTING WS | CA2701153 | California | Non-Transient Non-Community | 58 |
| LOS RANCHOS DE UVAS WATER COMPANY | CA4300637 | California | Community | 58 |
| SOUTH MOUNTAIN MUTUAL WATER CO | CA5601141 | California | Community | 58 |
| DOMINICKS #77 WATER VENDING | IL3128041 | California | Transient Non-Community | 57 |
| BRICOLEUR VINEYARDS | CA4901468 | California | Transient Non-Community | 57 |
| GRASSY FLAT CAMPGROUND | CA0800666 | California | Transient Non-Community | 57 |
| USFS-TOIYABE, CHAS NAPES BLDG | CA2610401 | California | Transient Non-Community | 57 |
| DOBBINS WATER SYSTEM | CA5800504 | California | Community | 57 |
| THE WILLOWS RESORT | CA4400850 | California | Community | 57 |
| INDUSTRY WEST | CA4900835 | California | Transient Non-Community | 57 |
| CAMP ST FRANCIS | CA4400710 | California | Transient Non-Community | 57 |
| RIVERDALE PARK | CA1200746 | California | Transient Non-Community | 57 |
| HEAVENLY VALLEY | CA0900588 | California | Transient Non-Community | 57 |