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 |
|---|---|---|---|---|
| PARKVIEW MUTUAL WATER CO INC | CA3000646 | California | Community | 65 |
| LOMA MAR MUTUAL | CA4100512 | California | Community | 65 |
| DELANO GROWERS GRAPE PRODUCTS | CA1502066 | California | Non-Transient Non-Community | 65 |
| LOS ANGELES, CITY OF - CASTAIC PWR PLANT | CA1910443 | California | Non-Transient Non-Community | 65 |
| INYO COUNTY PWD - LAWS TOWN | CA1400525 | California | Non-Transient Non-Community | 65 |
| GARLEN COURT WS | CA2700686 | California | Community | 65 |
| ENZA ZADEN RESEARCH | CA3500927 | California | Non-Transient Non-Community | 65 |
| J & L MARKET | CA0600063 | California | Transient Non-Community | 65 |
| DAVIS CAMP *CL 10/08 | CA0707578 | California | Community | 65 |
| SUNCREST MHP | NC0111148 | California | Community | 65 |
| RANCH ROAD ESTATES MUTUAL WATER COMPANY | CA1400031 | California | Community | 65 |
| KIRKWOOD CAMPGROUND | CA0300076 | California | Transient Non-Community | 65 |
| CALIFORNIA YOUTH AUTHORITY | CA0000321 | California | Community | 65 |
| LIBERTY BAPTIST CHURCH | CA5000426 | California | Transient Non-Community | 65 |
| LATROBE ELEMENTARY SCHOOL | CA0900410 | California | Non-Transient Non-Community | 65 |
| SOLEDAD TRAILER LODGE | CA1900033 | California | Transient Non-Community | 65 |
| THE INDIAN WATER SYSTEM | CA5400925 | California | Transient Non-Community | 65 |
| RIDGEWAY PINE MUTUAL WATER COM | CA0300003 | California | Transient Non-Community | 65 |
| SEAWEST TEHACHAPI, INC. | CA1502770 | California | Non-Transient Non-Community | 65 |
| COUNTRY VILLA APARTMENTS | CA0400056 | California | Community | 64 |
| PACIFIC WOODTECH | CA5200655 | California | Non-Transient Non-Community | 64 |
| JOAN HASKINS | CA4700866 | California | Community | 64 |
| MOORLAND AVENUE APARTMENTS | CA4901195 | California | Community | 64 |
| SILVER CREEK SUMMER HOME TRACT | CA3103666 | California | Transient Non-Community | 64 |
| PHOENIX LAKE GOLF CLUB | CA5500208 | California | Transient Non-Community | 64 |
| RURAL WATER COMPANY - INACTIVE | CA4000550 | California | Community | 64 |
| HARRIS MORAN SEED COMPANY | CA4810030 | California | Non-Transient Non-Community | 64 |
| WESTSIDE WATER DISTRICT | CA2500556 | California | Community | 64 |
| TITUS WINERY | CA2800057 | California | Transient Non-Community | 64 |
| PIONEER PLACE MWS | CA2701956 | California | Community | 64 |
| ELKHORN SALOON | CA5700577 | California | Transient Non-Community | 64 |
| LAUREL COMMUNITY LEAGUE | CA4400528 | California | Community | 64 |
| ST. PETERS CATHOLIC CEMETERY | CA1000647 | California | Transient Non-Community | 64 |
| WEGIS MUTUAL WATER COMPANY | CA1502600 | California | Community | 64 |
| FRAZIER NUT FARMS, INC. | CA5000530 | California | Non-Transient Non-Community | 64 |
| JS WEST MILLING CO HILMAR RANCH | CA2400345 | California | Non-Transient Non-Community | 64 |
| BUCK MEADOWS LODGE | CA2200056 | California | Transient Non-Community | 64 |
| COUNTRY CLUB COUNTY WD | CA2400128 | California | Community | 64 |
| LOS LAURELES GR WATER SYS #3 | CA2700827 | California | Community | 64 |
| GRACIANNA WINERY | CA4901395 | California | Transient Non-Community | 64 |
| SILVER CREEK | CA2000829 | California | Transient Non-Community | 64 |
| LOCKHEED MARTIN SPACE SYSTEMS | CA4400801 | California | Non-Transient Non-Community | 64 |
| LEAFWOOD COMMUNITY WA | CA2700624 | California | Community | 64 |
| SNELLING MERCED FALLS SCHOOL | CA2400062 | California | Non-Transient Non-Community | 64 |
| MELITA HEIGHTS MUTUAL WATER COMPANY | CA4900551 | California | Community | 64 |
| PALOMINO ESTATES WATER COMPANY | CA1206002 | California | Community | 64 |
| IV DESERT MUSEUM SOCIETY INC. | CA1300667 | California | Transient Non-Community | 64 |
| B N HAWLEY TOWNE | CA4500105 | California | Community | 64 |
| AUBURN CONTAINER - BANK CAL | CA3100109 | California | Transient Non-Community | 64 |
| MEYERS COURT | CA5800806 | California | Community | 64 |