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 |
|---|---|---|---|---|
| MACE RANCH INC | CA5700533 | California | Transient Non-Community | 244 |
| FOSTER FARMS DELHI FEEDMILL COLLIER ROAD | CA2400165 | California | Non-Transient Non-Community | 244 |
| COUNTRYSIDE ESTATES MWC | CA2702374 | California | Community | 243 |
| OROVILLE-WYANDOTTE I.D. | CA0410014 | California | Community | 243 |
| LE TRIANON RESORT | CA1700601 | California | Transient Non-Community | 243 |
| MONTEREY DUNES MWA | CA2701452 | California | Community | 243 |
| MOUNTAIN VALLEY COMMUNITY CHURCH | CA1000573 | California | Transient Non-Community | 242 |
| ST. PAULS CHURCH-OWENS | VA6099550 | California | Community | 242 |
| CHARLES BROWN WATER COMPANY | CA1400004 | California | Community | 242 |
| TECOPA WATER VENDING MACHINE | CA1400534 | California | Transient Non-Community | 241 |
| FCSA 30 - EL PORVENIR | CA1000019 | California | Community | 241 |
| SILENT VALLEY CLUB | CA3301622 | California | Non-Transient Non-Community | 241 |
| STARLITE COMMUNITY SERVICE DISTRICT | CA1400002 | California | Community | 241 |
| LUNDBERG FAMILY FARM | CA0400133 | California | Non-Transient Non-Community | 240 |
| PINE CREEK VILLAGE | CA1400006 | California | Community | 240 |
| CITRUS SCHOOL | CA1000212 | California | Non-Transient Non-Community | 240 |
| ASH CREEK FIRE STATION-STNF | CA4700722 | California | Transient Non-Community | 240 |
| CHANAC CREEK MUTUAL WATER COMPANY | CA1502670 | California | Community | 240 |
| PINE GROVE MAINT. & OPER. | CA0800645 | California | Non-Transient Non-Community | 240 |
| MEADOW LAKES CLUB | CA1000056 | California | Community | 240 |
| LA VINA SCHOOL | CA2000601 | California | Non-Transient Non-Community | 240 |
| DEL MONTE CORP | CA3900784 | California | Non-Transient Non-Community | 240 |
| NATURAL REMEDIES CONSULTING (NRC) | CA5000556 | California | Transient Non-Community | 240 |
| CAMP COSTANOAN | CA4300767 | California | Transient Non-Community | 240 |
| ARDEN DEE POTTER | CA5300060 | California | Transient Non-Community | 240 |
| SOUTHLAND MOBILE HOME PARK | CA3900820 | California | Community | 240 |
| RANCHO MARCELINO WATER | CA4200531 | California | Community | 240 |
| LINDEN USD-WAVERLY SCHOOL | CA3900953 | California | Non-Transient Non-Community | 240 |
| USFS-TOIYABE, CHAS NAPES BLDG | CA0210405 | California | Transient Non-Community | 240 |
| MILLVILLE ELEMENTARY SCHOOL | CA4500180 | California | Non-Transient Non-Community | 240 |
| KOA CAMPGROUND | CA2200036 | California | Transient Non-Community | 240 |
| WELCOME GROVE MHP & RV | CA5700503 | California | Community | 240 |
| BARENGO VINEYARD | CA3900654 | California | Transient Non-Community | 240 |
| CAL SHASTA CLUB | CA4000640 | California | Transient Non-Community | 240 |
| DANTE CLUB OF FRESNO | CA1000488 | California | Transient Non-Community | 240 |
| LASSEN VNP - BUTTE LAKE | CA5210500 | California | Transient Non-Community | 240 |
| NPS-COLD SPRINGS | CA5410517 | California | Transient Non-Community | 240 |
| LARK SPA | CA1300552 | California | Community | 240 |
| SAND FLAT CAMPGROUND | CA5500177 | California | Transient Non-Community | 240 |
| MOUNTAIN ELEMENTARY SCHOOL | CA4400756 | California | Non-Transient Non-Community | 240 |
| GILMORE TRAILER PARK | CA1300580 | California | Transient Non-Community | 240 |
| CAMPBELL FIELD WATER SYSTEM | CA1200571 | California | Community | 240 |
| DEPARTMENT OF WATER AND POWER | CA3600283 | California | Community | 239 |
| KENNOLYN CAMP | CA4400717 | California | Transient Non-Community | 239 |
| CACHEVILLE SERVICE DIST | CA5700700 | California | Community | 239 |
| FISHCAMP MUTUAL WATER COMPANY | CA2210903 | California | Transient Non-Community | 239 |
| MD 05 MOUNTAIN RANCHES | CA2000549 | California | Community | 239 |
| BALLICO CSD | CA2400167 | California | Community | 238 |
| TWIN OAKS MOBILE PARK | CA3901074 | California | Community | 238 |
| CANYON SCHOOL | CA0707620 | California | Non-Transient Non-Community | 238 |