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 |
|---|---|---|---|---|
| LOWER LINE PERMITEES ASSOCIATI | CA1000055 | California | Transient Non-Community | 104 |
| SCE/BIG CREEK POWERHOUSE 1 | CA1009111 | California | Community | 104 |
| LONE WOLF COLONY | CA3600393 | California | Transient Non-Community | 104 |
| LODI LAKE MOBILE HOME PARK | CA3900561 | California | Community | 104 |
| THE BRIDGEHOUSE | CA4200919 | California | Transient Non-Community | 104 |
| KINECTA FCU | CA4200666 | California | Non-Transient Non-Community | 104 |
| MECCHI WATER COMPANY | CA4300912 | California | Community | 104 |
| NICASIO RANCH LLC | CA2100553 | California | Transient Non-Community | 104 |
| MT BULLION | CA7300318 | California | Community | 104 |
| HICKEY PARK | CA1600265 | California | Transient Non-Community | 104 |
| PINYON CREST HOA | CA3301511 | California | Community | 104 |
| CAMPBELL WATER SYSTEM | CA1500490 | California | Community | 104 |
| NPS - HOLE IN THE WALL CAMPGROUND | CA3600321 | California | Transient Non-Community | 104 |
| DINO MART 1 | CA1000625 | California | Transient Non-Community | 104 |
| IHS NOR CAL YOUTH TRMNT CTR(SACRED OAKS) | CA5710013 | California | Non-Transient Non-Community | 104 |
| CAMP TRINIDAD RV RESORT | CA1200728 | California | Transient Non-Community | 104 |
| BUREAU OF LAND MGT | CA5300081 | California | Transient Non-Community | 104 |
| OAK DELL PARK | CA4300603 | California | Community | 104 |
| GATEWAY MOBILE HOME PARK | CA5200547 | California | Community | 103 |
| R W RANCH | CA3600257 | California | Transient Non-Community | 103 |
| FCPG/KEARNEY PARK | CA1000094 | California | Transient Non-Community | 103 |
| RJ'S TRAVEL CENTER | CA5401094 | California | Transient Non-Community | 103 |
| LAZY CORRAL MOBILE HOME PARK | CA5200516 | California | Community | 103 |
| VOLCANO COMMUNITY SERVICE DIST | CA0300016 | California | Community | 103 |
| WEST WIND WINERY | CA4800812 | California | Transient Non-Community | 103 |
| ICE HOUSE RESORT | CA0900314 | California | Transient Non-Community | 103 |
| VENTURA COUNTY WATER DISTRICT | CA5601124 | California | Community | 103 |
| CAMP FLEMING LODGE | CA0900100 | California | Transient Non-Community | 103 |
| RANCHO ROBLES MUTUAL WATER COMPANY | CA4300577 | California | Community | 103 |
| SKY HIGH RANCH HOA | CA0500021 | California | Transient Non-Community | 103 |
| TRUCKEE RIVER RV PARK | CA2902367 | California | Transient Non-Community | 103 |
| MOUNTAIN VIEW DUPLEXES | CA5400604 | California | Community | 103 |
| SOUTHWEST TRACT W M D [SWS] | CA3400156 | California | Community | 103 |
| TONY S SEAFOOD RESTAURANT | CA2100551 | California | Transient Non-Community | 103 |
| JACOBS CO WATER SYSTEM | CA1502592 | California | Transient Non-Community | 103 |
| MOTHER LODE RIVER CENTER | CA0900211 | California | Transient Non-Community | 103 |
| OAK TRAIL RANCH | CA4200802 | California | Community | 102 |
| DENNISON PARK | CA5601701 | California | Transient Non-Community | 102 |
| WALTERS CAMP RV PARK | CA1300654 | California | Transient Non-Community | 102 |
| COW CREEK TRACT DIV 3 | CA5500029 | California | Transient Non-Community | 102 |
| NEW SOLUTIONS CONSTRUCTION WATER SYSTEM | CA2900570 | California | Transient Non-Community | 102 |
| HAPPY HAVEN TRAILER PARK | CA1502118 | California | Transient Non-Community | 102 |
| MCMAHON ROAD MUTUAL WATER COMPANY | CA3500510 | California | Community | 102 |
| RUSTIC TRAILER PARK | CA4500096 | California | Community | 102 |
| FCPG/AVOCADO LAKE PARK | CA1000096 | California | Transient Non-Community | 102 |
| REDWOOD EMPIRE G&CC | CA1206001 | California | Transient Non-Community | 102 |
| SAGE HILLS FARM | CA3301594 | California | Community | 102 |
| Old Campo | 090600057 | California | Community | 102 |
| SUPER POWER MART | CA5800576 | California | Transient Non-Community | 102 |
| GRIZZLY RANCH CSD | CA3205006 | California | Community | 102 |