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 |
|---|---|---|---|---|
| AMEZCUA - GARCIA WATER | CA3301990 | California | Community | 316 |
| NEVADA IRRIGATION DISTRICT | CA2910019 | California | Community | 315 |
| LINCOLN VILLAGE MHP | CA0400087 | California | Community | 315 |
| CALIFORNIA ORCHARD COMPANY | CA2701022 | California | Community | 315 |
| Chukchansi Crossing | 090600247 | California | Transient Non-Community | 315 |
| SAN LUCAS COUNTY WATER DISTRICT | CA2701676 | California | Community | 315 |
| SHADY CREEK OUTDOOR SCHOOL | CA2901994 | California | Transient Non-Community | 315 |
| MILL CREEK MSC | CA3600166 | California | Community | 315 |
| OASIS GARDENS WATER CO. | CA3303100 | California | Community | 314 |
| NORTH DAVIS MEADOWS | CA5700788 | California | Community | 314 |
| BISHOP RESERVATION 1 | CA1400076 | California | Community | 314 |
| PG&E ROCKY POINT CG | CA3200084 | California | Transient Non-Community | 312 |
| CREW WINE COMPANY | CA5700730 | California | Non-Transient Non-Community | 312 |
| OWENS VALLEY WATER RESOURCES, INC. | CA1400005 | California | Community | 311 |
| HILLSIDE CHRISTIAN CENTER WATER SYSTEM | CA2800061 | California | Transient Non-Community | 311 |
| SMUD POWERPINES CAMP | CA0900316 | California | Transient Non-Community | 311 |
| SEBASTOPOL CHARTER SCHOOL | CA4901436 | California | Non-Transient Non-Community | 310 |
| PREET MARKET | CA5402031 | California | Transient Non-Community | 310 |
| LOWER ROCK CREEK MUTUAL WATER CO. | CA2600538 | California | Community | 310 |
| CALIZONA RV PARK | CA3600371 | California | Transient Non-Community | 310 |
| LAKESIDE WOODS MUTUAL WATER CO | CA4500013 | California | Community | 310 |
| TOCA MADERA WINERY | CA2000952 | California | Transient Non-Community | 310 |
| SAN JOAQUIN WATER WORKS #2 | CA3901092 | California | Community | 310 |
| DOUBLE DIAMOND FUEL MART | MO5211363 | California | Transient Non-Community | 310 |
| DONNER SUMMIT PUBLIC UTILITY DISTRICT | CA2910016 | California | Community | 310 |
| INTER-COUNTY WATER CO | CA3310059 | California | Community | 310 |
| STATION HOUSE INN | CA0900529 | California | Non-Transient Non-Community | 310 |
| CACHE CREEK VINEYARDS | CA1700736 | California | Transient Non-Community | 310 |
| STADIUM CLUB ESTATES | CA3400171 | California | Community | 310 |
| CAMP CEDAR CREST | CA3600593 | California | Transient Non-Community | 310 |
| PINE MOUNTAIN MUTUAL WATER CO. | CA2300591 | California | Community | 310 |
| CSP - SAMUEL TAYLOR ST PARK | CA2110300 | California | Transient Non-Community | 310 |
| MANZANITA PARK WS | CA2702229 | California | Transient Non-Community | 309 |
| POTTER VALLEY SCHOOL DISTRICT | CA2300755 | California | Non-Transient Non-Community | 309 |
| LITTLE SPRINGS MUTUAL WATER CO | CA5500056 | California | Transient Non-Community | 308 |
| Golden Pond RV/M Overland | CA3601011 | California | Community | 308 |
| NEW FREEDOM WATER MWC | CA4400525 | California | Community | 308 |
| CWS - UPPER BODFISH WATER SYSTEM | CA1510026 | California | Community | 307 |
| TRINITY ALPS RESORT | CA5301108 | California | Transient Non-Community | 307 |
| NEWBERRY SPRINGS GAS STATION & MINI-MART | CA3601188 | California | Transient Non-Community | 306 |
| LAS CRUCES STATE PARK | CA4210305 | California | Transient Non-Community | 306 |
| Rincon Paradise Creek | 090600146 | California | Community | 305 |
| RIVER RANCH MOBILE HOME PARK | CA5200510 | California | Community | 305 |
| DESHMESH DARBAR LODI/STK WATER SYS | CA3901464 | California | Transient Non-Community | 305 |
| NEW AVENUE MUTUAL WATER COMPANY | CA4300771 | California | Community | 305 |
| BISHOP CREEK LODGE | CA1400013 | California | Transient Non-Community | 305 |
| BURTON S TRAILER PARK | CA3301069 | California | Community | 305 |
| PETRIFIED FOREST | CA4901299 | California | Transient Non-Community | 304 |
| GRACE VALLEY CHRISTIAN CENTER | CA5700784 | California | Non-Transient Non-Community | 304 |
| PINE HAVEN MOBILE HOME VILLAGE | MS0240195 | California | Community | 304 |