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 |
|---|---|---|---|---|
| EL CAPITAN MUTUAL WATER COMPANY | CA4200703 | California | Community | 325 |
| BERRENDOS SCHOOL | CA5200507 | California | Non-Transient Non-Community | 325 |
| Santa Ysabel Main | 090600150 | California | Community | 325 |
| SUNSHINE RESORT | CA3600378 | California | Transient Non-Community | 325 |
| DESERT SPRINGS MWC | CA3600089 | California | Community | 325 |
| CHARLESTON SCHOOL | CA2400091 | California | Non-Transient Non-Community | 325 |
| MONTE VISTA CHAPEL AND SCHOOL | CA5000405 | California | Transient Non-Community | 325 |
| CALIFORNIA STATE PARKS | CA0900541 | California | Transient Non-Community | 325 |
| JGW RV PARK | CA4500327 | California | Transient Non-Community | 324 |
| FIERO LANE WATER COMPANY, INC. | CA4000722 | California | Non-Transient Non-Community | 324 |
| SIERRA WATER RESOURCES - SIERRA CITY | CA4600017 | California | Community | 324 |
| KERN RIVER DELTA FARMS | CA1500531 | California | Community | 324 |
| SIETE ROBLES MUTUAL WATER CO | CA5601119 | California | Community | 323 |
| SEVEN OAKS MT RESORT MHP | CA3600360 | California | Transient Non-Community | 323 |
| DEL ORO GRANDVIEW GARDENS DISTRICT | CA5400666 | California | Community | 323 |
| MARTIS CREEK-US ARMY CORPS OF ENGINEERS | CA2900585 | California | Transient Non-Community | 322 |
| POMONA RANCH HOUSING CENTER | CA2000770 | California | Transient Non-Community | 322 |
| JOSEPH GRANT COUNTY PARK | CA4300737 | California | Transient Non-Community | 322 |
| CAMP MENDOCINO | CA2300839 | California | Transient Non-Community | 321 |
| ROCKFORD SCHOOL | CA5400884 | California | Non-Transient Non-Community | 321 |
| SHEPHERD OF THE VALLEY | CA4200895 | California | Transient Non-Community | 320 |
| PLACERVILLE, CITY OF - SIERRA GOLF & CC | CA0910010 | California | Community | 320 |
| WILLOW GLEN MOBILE ESTATES | CA5400576 | California | Community | 320 |
| BETHEL IN THE HILLS - PCG CAMP | CA1502217 | California | Transient Non-Community | 320 |
| CAMP HILLEL HOUSE | CA1900559 | California | Transient Non-Community | 320 |
| SAPUTO DAIRY FOODS USA, LLC | CA2400055 | California | Non-Transient Non-Community | 320 |
| MOUNTAIN VIEW TRAILER COURT | CA1400099 | California | Community | 320 |
| SEMI TROPIC SCHOOL WATER SYSTEM | CA1502244 | California | Non-Transient Non-Community | 320 |
| DOUBLE L MOBILE ESTATES | CA3900842 | California | Community | 320 |
| COACHELLA VALLEY WTR DIST | CA3310055 | California | Community | 320 |
| BELL ACADEMY | CA5403112 | California | Non-Transient Non-Community | 320 |
| RECREACRES MHC LLC | WI7500138 | California | Community | 320 |
| SAINT MARIE MOBILE HOME PARK | CA4200842 | California | Community | 320 |
| SANTOS RANCH PWS #5-CSA #35 | CA3901216 | California | Community | 320 |
| CAMP SHALOM/JCA | CA1900888 | California | Transient Non-Community | 320 |
| PALMER CREEK CSD | CA1206004 | California | Community | 320 |
| ADESA OF SACRAMENTO | CA3400429 | California | Non-Transient Non-Community | 320 |
| CENTRAL UNION ELEMENTARY | CA1600008 | California | Non-Transient Non-Community | 320 |
| TRAIL IN RV CAMPGROUND | CA4500020 | California | Transient Non-Community | 318 |
| BLOSSOM TRAIL CAFE | CA1000517 | California | Non-Transient Non-Community | 318 |
| MORONGO INDIAN RESERVATION | CA3301441 | California | Transient Non-Community | 318 |
| EL DORADO MOBILE HOME PARK | CA3400121 | California | Community | 318 |
| FOUR JEFFREY CAMPGROUND | CA1400182 | California | Transient Non-Community | 318 |
| TRINITY LAKE MARINAS, LLC. | CA5301106 | California | Transient Non-Community | 317 |
| SPAULDING EAGLE LAKE MWC | CA1800534 | California | Community | 317 |
| LIVE OAK SPRINGS WATER SYSTEM | CA3700922 | California | Community | 317 |
| TWIN VALLEY INC | CA4300575 | California | Community | 317 |
| DIXIELAND ELEMENTARY SCHOOL | CA2000760 | California | Non-Transient Non-Community | 316 |
| CASCADE ESTATES | CA5500104 | California | Community | 316 |
| NPS PRNS - LAGUNA SYSTEM | CA2110501 | California | Transient Non-Community | 316 |