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 |
|---|---|---|---|---|
| BEAR MOUNTAIN RV PARK WATER SYSTEM | CA1503629 | California | Transient Non-Community | 350 |
| HIDDEN SPRINGS CG-STATE PARKS | CA1210314 | California | Transient Non-Community | 350 |
| CALISHUN, INC | CA0900619 | California | Community | 350 |
| LA JOYA SCHOOL WATER SYSTEM | CA2700614 | California | Transient Non-Community | 350 |
| A.C. STILL | CA5500046 | California | Community | 350 |
| OLIVE DELL RANCH | CA3600187 | California | Community | 350 |
| ALPINE VIEW CAMPGROUND | CA5301016 | California | Transient Non-Community | 350 |
| GREEN ACRES MOBILE HOME ESTATE | CA1000229 | California | Community | 350 |
| YETTEM WATER SYSTEM | CA5403043 | California | Community | 350 |
| DILLARD ELEMENTARY SCHOOL | CA3400254 | California | Non-Transient Non-Community | 350 |
| UNION HOTEL | CA4900936 | California | Transient Non-Community | 350 |
| CRYSTAL CLEAR WATER COMPANY | CA3700012 | California | Community | 350 |
| RIDGECREST COMMUNITY HOSPITAL | CA1502365 | California | Transient Non-Community | 350 |
| ORWOOD RESORT | CA0707545 | California | Community | 350 |
| GEORGE CHIALA FARMS, INC.. | CA3500928 | California | Non-Transient Non-Community | 350 |
| FCSA 44D - MONTE VERDI | CA1000550 | California | Community | 350 |
| NPS-BUCKEYE FLAT | CA5410510 | California | Transient Non-Community | 350 |
| CALTRANS-HONEY LAKE SRRA | CA1800531 | California | Transient Non-Community | 350 |
| MIDWAY TRAILER CITY | CA3010005 | California | Community | 350 |
| MODESTO NGHBORHD CHRCH-MODESTO CHRISTIAN | CA5000156 | California | Non-Transient Non-Community | 350 |
| WILDEWOOD EAST MUTUAL | CA5101009 | California | Community | 350 |
| SIERRA NEVADA BREWING CO. | CA0409197 | California | Non-Transient Non-Community | 350 |
| SIERRA PACIFIC INDUSTRIES - RICHFIELD | CA5201055 | California | Non-Transient Non-Community | 350 |
| CALTRANS-MASSACK REST STOP | CA3200009 | California | Transient Non-Community | 350 |
| BUTTONWILLOW RACEWAY PARK CIRCUIT | CA1504014 | California | Transient Non-Community | 350 |
| SUNSET WEST COMMUNITY LLC | CA1000378 | California | Community | 350 |
| CALAVERAS BIG TREES SP, NORTH GROVE | CA0510302 | California | Transient Non-Community | 350 |
| SIERRA PACIFIC INDUSTRIES - WINDOWS | CA5201143 | California | Non-Transient Non-Community | 350 |
| SAC CITY MOBILE HOME COMMUNITY LP | CA3400296 | California | Community | 350 |
| GREEN RIVER MUTUAL WATER CO. | CA4000554 | California | Community | 350 |
| HERNDON-BARSTOW SCHOOL | CA1000108 | California | Non-Transient Non-Community | 350 |
| HENSLEY LAKE - HIDDEN DAM | CA2000555 | California | Transient Non-Community | 350 |
| MOUNTAIN JACKS | MI2000828 | California | Non-Transient Non-Community | 350 |
| TRES PINOS CWD | CA3500509 | California | Community | 350 |
| CROOKHAM SCHOOL | CA2400069 | California | Transient Non-Community | 350 |
| HANFORD FIRST BAPTIST CHURCH | CA1600607 | California | Transient Non-Community | 350 |
| DESCANSO DETENTION FACILITY | CA3700581 | California | Non-Transient Non-Community | 350 |
| DAVENPORT COUNTY SANITATION | CA4400571 | California | Community | 350 |
| MANANA WOODS | CA4400539 | California | Community | 350 |
| RANCHVIEW MOBILE ESTATES | CA5400612 | California | Community | 350 |
| CHAMPIONS GOLF LINKS [SWS] | CA3400388 | California | Transient Non-Community | 350 |
| KETTLEMAN CITY ELEMENTARY | CA1600048 | California | Non-Transient Non-Community | 350 |
| MD 37 LA VINA | CA2000728 | California | Community | 350 |
| CHESTER FRESBEE | CA2701260 | California | Transient Non-Community | 350 |
| JACK LONDON STATE HISTORIC PAR | CA4900856 | California | Transient Non-Community | 350 |
| GIUMARRA VINEYARDS CORPORATION | CA1502331 | California | Transient Non-Community | 350 |
| ALPINE VIEW CAMPGROUND | CA5300087 | California | Transient Non-Community | 350 |
| PINE TREE WIND PROJECT WATER SYSTEM | CA1503647 | California | Transient Non-Community | 350 |
| BEAR VALLEY MUTUAL WATER COMPA | CA0202411 | California | Community | 350 |
| CLOVER MEADOW CAMP GROUND | CA2000623 | California | Community | 350 |