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 |
|---|---|---|---|---|
| PECAN GROVE MOBILE HOME PARK | TX1650024 | California | Community | 336 |
| MUIR BEACH COMMUNITY | CA2100508 | California | Community | 336 |
| HORIZON MOBILE HOME PARK | CA1600005 | California | Community | 335 |
| DOUBLE E MOBILE HOME RANCH | GA0630006 | California | Community | 335 |
| BAKER & DEADMAN | CA5500172 | California | Transient Non-Community | 335 |
| DELTA MUTUAL WATER COMPANY | CA0707573 | California | Community | 333 |
| SHASTA CSA - CASTELLA, #3 | CA4500015 | California | Community | 333 |
| NEEDLES KOA | CA3601004 | California | Transient Non-Community | 333 |
| BERMUDA PALMS - BIA | CA3600363 | California | Community | 333 |
| RIVERSIDE CSD | CA1200518 | California | Community | 333 |
| FOLSOM LAKE MUTUAL WATER CO | CA3107339 | California | Community | 333 |
| PERALTA HILLS WATER CO | CA3000552 | California | Community | 333 |
| TRINITY VILLAGE MUTUAL WATER | CA5304102 | California | Community | 332 |
| PENN VALLEY SHOPPING CENTER | CA2900532 | California | Non-Transient Non-Community | 332 |
| STONEYBROOKE VILLAGE MHP | OH7802912 | California | Community | 332 |
| THUNDERHILL RACEWAY | CA1100229 | California | Transient Non-Community | 331 |
| ELMIRA ELEMENTARY SCHOOL | CA4800776 | California | Non-Transient Non-Community | 330 |
| DHS CALEXICO | CA1310019 | California | Non-Transient Non-Community | 330 |
| R-RANCH IN THE SEQUOIAS | CA5402036 | California | Community | 330 |
| EDISON ELEMENTARY SCHOOL | CA1502071 | California | Transient Non-Community | 330 |
| EAST NICOLAUS JOINT UNION HIGH SCHOOL | CA5100136 | California | Non-Transient Non-Community | 330 |
| LEE VINING | CA2600527 | California | Community | 330 |
| PHILLIPS FARMS | CA3901176 | California | Non-Transient Non-Community | 330 |
| UNION SCHOOL | CA5400873 | California | Non-Transient Non-Community | 330 |
| DEL DIOS MUTUAL WATER COMPANY | CA3700866 | California | Community | 330 |
| ACKERMAN CAMPGROUND | CA5300065 | California | Transient Non-Community | 330 |
| JEHOVAH'S WITNESSES CHURCH - REEDLEY | CA1000637 | California | Transient Non-Community | 330 |
| WASHINGTON WATER DISTRICT | CA2900523 | California | Community | 330 |
| MYERS FLAT M.W.S. INC. | CA1200538 | California | Community | 330 |
| OAKHURST ELEMENTARY SCHOOL | CA2000613 | California | Non-Transient Non-Community | 329 |
| DODGE RIDGE SKI RESORT | CA5500168 | California | Non-Transient Non-Community | 328 |
| PINNACLES NATIONAL PARK-WEST DISTRICT | CA3510500 | California | Transient Non-Community | 328 |
| FAWN & STONEY CAMPGROUND | CA5301112 | California | Transient Non-Community | 327 |
| PLEASANT GROVE MHP | CA0400020 | California | Community | 327 |
| ARROWHEAD LAKE MHP | OH4800112 | California | Community | 327 |
| KINGS RIVER RV RESORT, LLC | CA5400549 | California | Transient Non-Community | 327 |
| FRENCH CAMP GOLF COURSE | CA3901377 | California | Non-Transient Non-Community | 327 |
| SANTA ROSA CHRISTIAN SCHOOL | CA4900768 | California | Non-Transient Non-Community | 325 |
| CALIFORNIA STATE PARKS | CA0900541 | California | Transient Non-Community | 325 |
| MONTE VISTA CHAPEL AND SCHOOL | CA5000405 | California | Transient Non-Community | 325 |
| CHARLESTON SCHOOL | CA2400091 | California | Non-Transient Non-Community | 325 |
| DESERT SPRINGS MWC | CA3600089 | California | Community | 325 |
| SUNSHINE RESORT | CA3600378 | California | Transient Non-Community | 325 |
| Santa Ysabel Main | 090600150 | California | Community | 325 |
| BERRENDOS SCHOOL | CA5200507 | California | Non-Transient Non-Community | 325 |
| EL CAPITAN MUTUAL WATER COMPANY | CA4200703 | California | Community | 325 |
| NORTHWEST PREP CHARTER SCHOOL | CA4900695 | California | Non-Transient Non-Community | 325 |
| BOE DEL HEIGHTS MUTUAL WATER | CA3301046 | California | Community | 325 |
| LEISURE LAKE MOBILE HOME | CA1900110 | California | Community | 325 |
| MJUSD FOOTHILL INTERMEDIATE SCHOOL | CA5800843 | California | Non-Transient Non-Community | 325 |