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 |
|---|---|---|---|---|
| MOKELUMNE MOBILE SENIOR PARK | CA3900719 | California | Community | 55 |
| FRENCHMAN DAM TRAILER PARK | CA3200146 | California | Transient Non-Community | 55 |
| ELEVATE ADDICTION SERVICES | CA4400903 | California | Transient Non-Community | 55 |
| COUNTRY WESTERN MHRV | CA5000080 | California | Community | 55 |
| RIM ROCK WATER COMPANY | CA4000750 | California | Community | 55 |
| SUNSET VIEW ESTATES | TX1910025 | California | Community | 55 |
| CHALK HILL WINERY | CA4901390 | California | Non-Transient Non-Community | 55 |
| HUMBOLDT WOODLANDS MUTUAL | CA0400149 | California | Community | 55 |
| MDF-AMBROSE | CA2500530 | California | Transient Non-Community | 55 |
| O'BANION ROAD MARKET | CA5101203 | California | Transient Non-Community | 55 |
| GEMPERLE EGG RANCH | CA2400343 | California | Non-Transient Non-Community | 55 |
| SIERRA CASCADE NURSERY | CA1805005 | California | Non-Transient Non-Community | 55 |
| EL RIO CLUB WATER SYSTEM | CA5101010 | California | Transient Non-Community | 55 |
| LITTLE BALDY WATER | CA1900158 | California | Community | 55 |
| GRANDE MOBILE MANOR | CA4000645 | California | Community | 55 |
| WAGON WHEEL PLAZA | CA1907013 | California | Transient Non-Community | 55 |
| PHILPOT CAMPGROUND | CA5305302 | California | Transient Non-Community | 55 |
| LAKE BERRYESSA BOY SCOUT CAMP | CA2800638 | California | Transient Non-Community | 55 |
| MARINA LANDFILL WS | CA2702453 | California | Non-Transient Non-Community | 55 |
| FREEMARK ABBEY WINERY | CA2800561 | California | Non-Transient Non-Community | 55 |
| EDANNES MOBILE HOME PARK | MT0000039 | California | Community | 55 |
| TOM & MARY MCKELLAR | CA2300559 | California | Community | 55 |
| AMERICAN BORATE CORP 2 | CA1400091 | California | Transient Non-Community | 55 |
| MCAVOY YACHT HARBOR | CA0707532 | California | Transient Non-Community | 55 |
| KORTHS PIRATES LAIR | CA3400135 | California | Community | 55 |
| SOUTH BUTTE ROPERS, INCORPORATED | CA5101207 | California | Transient Non-Community | 55 |
| KIM SON MONASTERY | CA4400851 | California | Transient Non-Community | 55 |
| VIKING RV PARK | CA1000454 | California | Community | 55 |
| JOYS MOBILE HOME PARK | CA0400031 | California | Community | 55 |
| VALENZUELA WATER SYSTEM | CA3500527 | California | Community | 55 |
| MONTEBELLO SD - MONTEBELLO SCHOOL | CA4300762 | California | Non-Transient Non-Community | 55 |
| PHILPOT CAMPGROUND | CA5300108 | California | Transient Non-Community | 55 |
| MANSFIELD INN MOTEL | OH7043712 | California | Transient Non-Community | 55 |
| CARDINAL VILLAGE RESORT | CA1400067 | California | Transient Non-Community | 55 |
| SAINT ANNE'S CROSSING WINERY | CA4900911 | California | Transient Non-Community | 55 |
| CACHAGUA MUTUAL WS (#4) | CA2701888 | California | Community | 55 |
| PADJUNES PROFESSIONAL CENTER | CA2902399 | California | Transient Non-Community | 55 |
| FINNLEES TRAILER PARK | CA3900705 | California | Community | 55 |
| COMSTOCK WINERY | CA4901423 | California | Transient Non-Community | 55 |
| HARMONY MOBILE HOME PARK | CA0400037 | California | Community | 55 |
| OCTAGON, THE | CA2202084 | California | Transient Non-Community | 55 |
| AMBROSE WELL | CA2500902 | California | Transient Non-Community | 55 |
| Jack Norton School | 090600741 | California | Non-Transient Non-Community | 55 |
| SIMPSON TIMBER COMPANY SAW | CA0800720 | California | Transient Non-Community | 55 |
| MEADOWLARK MOBILE HOME PARK | MT0000082 | California | Community | 55 |
| YOSEMITE INN | CA5500122 | California | Community | 55 |
| TRAILS END RESORT | CA1000163 | California | Transient Non-Community | 55 |
| NAPA COUNTY ANIMAL SHELTER | CA2800300 | California | Transient Non-Community | 55 |
| DEL MONTE FARMS RD WS #03 | CA2700541 | California | Community | 55 |
| HULL CREEK CAMPGROUND | CA5500185 | California | Transient Non-Community | 55 |