Browse Water Systems
19,626 public water systems in CA.
Public Water Systems Database
Browse 19,626 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 |
|---|---|---|---|---|
| TEAGUE ELEMENTARY SCHOOL | CA1000334 | California | Non-Transient Non-Community | 1,000 |
| SUE-MEG SP-STATE PARKS | CA1210319 | California | Transient Non-Community | 1,000 |
| ANTELOPE VALLEY WATER CO | CA1510037 | California | Community | 1,000 |
| BARRETT COVE REC AREA | CA2200035 | California | Transient Non-Community | 1,000 |
| THE PUB WATER SYSTEM | CA0900216 | California | Transient Non-Community | 1,000 |
| YOSEMITE NPS-YOSEMITE VALLEY | CA2210503 | California | Community | 1,000 |
| CARMEL VALLEY | CA2701149 | California | Community | 1,000 |
| YOSEMITE NPS-BADGER PASS | CA2210513 | California | Transient Non-Community | 1,000 |
| MT BALDY SKI LIFT | CA3600776 | California | Transient Non-Community | 1,000 |
| OASIS DRINKING WATER | CA3301471 | California | Community | 1,000 |
| TULARE WESTERN HIGH SCHOOL | CA5400720 | California | Transient Non-Community | 1,000 |
| DEPARTMENT OF TRANSPORTATION | CA4510900 | California | Transient Non-Community | 1,000 |
| PILLAR RIDGE MHP (FORMER EL GRANADA MHP) | CA4110028 | California | Community | 1,000 |
| LOOMIS COMMUNITY PARK | CA3103247 | California | Transient Non-Community | 1,000 |
| AMERICAN ADVENTURE | CA3301950 | California | Transient Non-Community | 1,000 |
| MC SWAIN REC AREA | CA2200065 | California | Transient Non-Community | 1,000 |
| MARIPOSA COUNTY FAIRGROUND | CA2200070 | California | Transient Non-Community | 1,000 |
| SUTTER SANTA ROSA REGIONAL HOSPITAL | CA4901370 | California | Non-Transient Non-Community | 1,000 |
| ELKHORN I-5 REST AREA | CA3400131 | California | Transient Non-Community | 1,000 |
| SMK CHEVRON | CA3900840 | California | Transient Non-Community | 1,000 |
| CHEVRON USA INC., WEST COYOTE | CA3000797 | California | Non-Transient Non-Community | 1,000 |
| FRESNO AIR NATIONAL GUARD | CA1000350 | California | Non-Transient Non-Community | 1,000 |
| SHERIFF'S POSSE GROUNDS | CA2700754 | California | Transient Non-Community | 1,000 |
| CALTRANS-WEED REST STOP | CA4700557 | California | Transient Non-Community | 1,000 |
| HORIZON CHRISTIAN FELLOWSHIP | CA3901280 | California | Transient Non-Community | 1,000 |
| Shields Date Gardens | CA3301618 | California | Transient Non-Community | 1,000 |
| CALTRANS-DUNIGAN RS | CA5700556 | California | Transient Non-Community | 1,000 |
| BAKER COMMUNITY SERVICES DISTRICT | CA3600022 | California | Community | 1,000 |
| CAL TRANS - COSO JUNCTION | CA1400115 | California | Transient Non-Community | 1,000 |
| SAN LUIS CREEK RECREATION AREA | CA2400106 | California | Transient Non-Community | 1,000 |
| RANCHO MARIA GOLF COURSE | CA4200865 | California | Transient Non-Community | 1,000 |
| S J CO MAINTENANCE DEPT | CA3900506 | California | Transient Non-Community | 1,000 |
| KNOCTI HARBOR INN | CA1700586 | California | Community | 1,000 |
| REEF CITY CAFE | CA1600284 | California | Transient Non-Community | 1,000 |
| CITY OF SACRAMENTO | CA3400338 | California | Transient Non-Community | 1,000 |
| OUTLETS NORTH PHOENIX | AZ0407189 | California | Non-Transient Non-Community | 1,000 |
| DE ANZA SPRINGS RESORT | CA3702703 | California | Transient Non-Community | 1,000 |
| CALTRANS-TRINIDAD NB | CA1200754 | California | Transient Non-Community | 1,000 |
| CAL EXPO | CA3400110 | California | Transient Non-Community | 1,000 |
| CAMP LOTUS WATER SYSTEM | CA0900205 | California | Transient Non-Community | 1,000 |
| EASTON AUTHORITY JPA | CA1000221 | California | Non-Transient Non-Community | 1,000 |
| IN-N-OUT BURGER #108 | CA4200921 | California | Transient Non-Community | 1,000 |
| PG&E NO 3 POWERHOUSE & | CA2000541 | California | Transient Non-Community | 1,000 |
| ARCO AM PM - PIXLEY | CA5403151 | California | Transient Non-Community | 1,000 |
| OUR LADY OF ASSUMPTION CHURCH | CA5000402 | California | Transient Non-Community | 1,000 |
| JAHANT FOOD N FUEL STOP | CA3901108 | California | Transient Non-Community | 1,000 |
| BARNSTORMER INN | CA3100110 | California | Transient Non-Community | 1,000 |
| SCC DGS-SOUTH COUNTY BLDG | CA4300604 | California | Non-Transient Non-Community | 1,000 |
| LAKE CACHUMA COUNTY PARK | CA4200911 | California | Transient Non-Community | 1,000 |
| VALLEY VIEW YORKSHIRE PACKING COMPANY | CA4300727 | California | Non-Transient Non-Community | 1,000 |