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 |
|---|---|---|---|---|
| ARCO AMPM | CA3601119 | California | Transient Non-Community | 500 |
| KINGS RIVER PACKING COMPANY | CA1000514 | California | Non-Transient Non-Community | 500 |
| FERNWOOD | CA2701289 | California | Transient Non-Community | 500 |
| OAK TREE MOUNTAIN | CA3600032 | California | Transient Non-Community | 500 |
| USFS - WHEELER GORGE CAMPGROUND | CA5601716 | California | Transient Non-Community | 500 |
| HILTON MOTOR HOTEL | CA1500506 | California | Transient Non-Community | 500 |
| CAMP MATHER | CA5500031 | California | Transient Non-Community | 500 |
| PINEBROOK MUTUAL WATER CO | CA0500061 | California | Community | 500 |
| Hopland Reservation Sho-Ka-Wah Casino | 090600163 | California | Non-Transient Non-Community | 500 |
| RIVER OAK GRACE-WATER SYSTEM | CA5000483 | California | Transient Non-Community | 500 |
| COARSEGOLD MINI MART/C&B | CA2000809 | California | Transient Non-Community | 500 |
| TORO CANYON PARK | CA4200679 | California | Transient Non-Community | 500 |
| OK 99 HWY SWAP MEET | CA1502474 | California | Transient Non-Community | 500 |
| CA STATE PARKS & REC DEPT | CA3400236 | California | Transient Non-Community | 500 |
| Dear Ridge Inn | CA0300045 | California | Transient Non-Community | 500 |
| BELL TRAILER CITY | CA1900562 | California | Community | 500 |
| BSA-FIRESTONE SCOUT RESERVATION | CA1900547 | California | Transient Non-Community | 500 |
| DATELAND SCHOOL | CA3301150 | California | Transient Non-Community | 500 |
| SAIKON FARMS INC | CA1300597 | California | Transient Non-Community | 500 |
| FAMILY DOLLAR - TUSTIN | MI2022267 | California | Transient Non-Community | 500 |
| Chicken Ranch Bingo | 090605106 | California | Non-Transient Non-Community | 500 |
| SCC P&R, ED LEVIN PARK | CA4300745 | California | Transient Non-Community | 500 |
| MOUNT LAGUNA WATER SYSTEM | CA3700019 | California | Transient Non-Community | 500 |
| YOSEMITE NPS-CRANE FLAT | CA2210508 | California | Transient Non-Community | 500 |
| WOODLAKE CONSERVATION CENTER | CA7300609 | California | Community | 500 |
| LAKESIDE TRAILER PARK | CA5400518 | California | Transient Non-Community | 500 |
| BRIDGES ON THE RIVER | CA3400400 | California | Transient Non-Community | 500 |
| PLACER COUNTY WATER AGENCY | CA3110105 | California | Community | 500 |
| FRICOT TRAINING ACADEMY | CA7300613 | California | Community | 500 |
| PINE FLAT WATER CO | CA5400516 | California | Community | 500 |
| PLACERCOUNTY WATER AGENCY | CA3110205 | California | Community | 500 |
| NORTHSIDE CHRISTIAN CHURCH | CA1000498 | California | Transient Non-Community | 500 |
| SACRAMENTO SOFTBALL COMPLEX (SWS) | CA3400468 | California | Transient Non-Community | 500 |
| ADAMS RANCH MUTUAL | CA1900009 | California | Community | 500 |
| RANCHO SESPE | CA5601203 | California | Community | 500 |
| WALMART SUPERCENTER EAST PEORIA | IL3137877 | California | Transient Non-Community | 500 |
| CASWELL STATE PARK | CA3900899 | California | Transient Non-Community | 500 |
| GREENAMYERS BROS WATER SYS | CA2200009 | California | Community | 500 |
| USFS FRENCH MEADOWS NORTH SHORE | CA3100085 | California | Transient Non-Community | 500 |
| SIERRA PINES CHURCH | CA2000966 | California | Transient Non-Community | 500 |
| MAPLE WATER COMPANY | CA1900996 | California | Community | 500 |
| RANCHO MUTUAL WATER COMPANY | CA1500357 | California | Community | 500 |
| USFS FRENCH MEADOWS SOUTH SHORE | CA3100084 | California | Transient Non-Community | 500 |
| CHURCH OF GOD ASSN | CA2900512 | California | Transient Non-Community | 500 |
| GILROY FOODS, GILROY WEST PLANT | CA4300627 | California | Non-Transient Non-Community | 500 |
| FRANK LEMELIN | CA2200010 | California | Community | 500 |
| LAKEVIEW HILLS COMMUNITY ASSOC | CA3103835 | California | Community | 499 |
| VALLEY VIEW PARK MWC | CA3610046 | California | Community | 499 |
| HIDDEN VALLEY COMMUNITY ASSOCIATION | CA3103836 | California | Community | 499 |
| HESTER SCHOOL | CA5400657 | California | Non-Transient Non-Community | 498 |