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 |
|---|---|---|---|---|
| HERINGER ESTATES WINERY | CA5700516 | California | Transient Non-Community | 300 |
| YOSEMITE NPS-WHITE WOLF | CA5510504 | California | Transient Non-Community | 300 |
| PHILLIPSVILLE C.S.D. | CA1200541 | California | Community | 300 |
| BIG LAGOON - HUMBOLDT CO. PARKS | CA1206005 | California | Transient Non-Community | 300 |
| Mitomkai Tribal Water System | 090605120 | California | Community | 300 |
| MIDLAND PARK WATER TRUST | CA1900652 | California | Community | 300 |
| COLLEGE OF SEQUOIAS | CA5400825 | California | Non-Transient Non-Community | 300 |
| EAST WALNUT GROVE [SWS] | CA3400106 | California | Community | 300 |
| ESCALON PREMIER BRANDS | CA3900797 | California | Non-Transient Non-Community | 300 |
| BERMUDA DUNES COUNTRY CLUB | CA3301039 | California | Non-Transient Non-Community | 300 |
| R C SOULTS | CA5400671 | California | Community | 300 |
| 8986 DEEP CREEK ROAD | CA3601189 | California | Transient Non-Community | 300 |
| JOHN NIEMES ELEMENTARY SCHOOL | CA1900300 | California | Non-Transient Non-Community | 300 |
| HICKS WATER COMPANY | CA1500283 | California | Community | 300 |
| STRATHMORE MINIMART | CA5403221 | California | Transient Non-Community | 300 |
| NORTH FORK RANGER STATION | CA2000620 | California | Non-Transient Non-Community | 300 |
| DUNNEVILLE MARKET & KITCHEN | CA3500539 | California | Transient Non-Community | 300 |
| SOUTHSIDE ELEMENTARY SCHOOL | CA3500521 | California | Non-Transient Non-Community | 300 |
| OPEN COUNTRY SWAP MEET | CA5400918 | California | Transient Non-Community | 300 |
| CAL TRANS - CRESTVIEW REST AREA | CA2600589 | California | Transient Non-Community | 300 |
| MOKELUMNE MANOR | CA3900580 | California | Community | 300 |
| CAL TRANS - DIVISION CREEK | CA1400114 | California | Transient Non-Community | 300 |
| SPRECKLS SUGAR COMPANY | CA2701223 | California | Transient Non-Community | 300 |
| HERNDON WATER COMPANY | CA1000048 | California | Community | 300 |
| SONORA WATER CO, INC | CA5500024 | California | Community | 300 |
| ELEVATE CAMPS SMALL WATER SYSTEM | CA4500325 | California | Transient Non-Community | 300 |
| USFS SOURGRASS CAMPGD | CA5500263 | California | Transient Non-Community | 300 |
| NPS-CRYSTAL CAVE PK LOT | CA5410509 | California | Transient Non-Community | 300 |
| SNP-CRYSTAL CAVE | CA5410508 | California | Transient Non-Community | 300 |
| TAHOE WATERFRONT CLUB | CA0900556 | California | Transient Non-Community | 300 |
| FIORI'S RESTAURANT | CA4900886 | California | Transient Non-Community | 300 |
| MARINA DEL MAR MOBILE PARK | CA2700880 | California | Community | 300 |
| GROVE WATER SYSTEM | CA3400127 | California | Community | 300 |
| F M C | CA4300810 | California | Transient Non-Community | 300 |
| COLUMBIA ELEMENTARY SCHOOL | CA5500166 | California | Transient Non-Community | 300 |
| BLACK BUTTE LAKE, HEADQUARTERS, USCOE | CA5201142 | California | Transient Non-Community | 300 |
| BERRYESSA BREWING COMPANY | CA5700618 | California | Transient Non-Community | 300 |
| SACWEST RV PARK AND CAMPGROUND | CA5700584 | California | Transient Non-Community | 300 |
| SAN JOAQUIN COUNTY | CA3901009 | California | Community | 300 |
| FIRST BAPTIST CHURCH | CA5700701 | California | Transient Non-Community | 300 |
| BILTMORE HOTEL | CA4200676 | California | Non-Transient Non-Community | 300 |
| PUMICE FLATS CAMPGROUND | CA2000379 | California | Transient Non-Community | 300 |
| MT. PLEASANT WATER USERS ASSOCIATION | CA4300563 | California | Community | 300 |
| DENNY BOYS WATER SYSTEM | CA3901124 | California | Transient Non-Community | 300 |
| BIG PINE TRACT | CA3600031 | California | Community | 300 |
| STIRLING BLUFFS | CA0400011 | California | Community | 300 |
| HORSESHOE MEADOW CAMPGROUND | CA1400184 | California | Transient Non-Community | 300 |
| YOSEMITE NPS-MAY LAKE CAMP | CA2210500 | California | Transient Non-Community | 300 |
| WILTON CHEVRON | CA3400435 | California | Transient Non-Community | 300 |
| PIN OAK MOBILE HOME PARK 1 | TX1010524 | California | Community | 300 |