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 |
|---|---|---|---|---|
| PLACER CWA - BIANCHI ESTATES | CA3110040 | California | Community | 110 |
| SAF-T-CAB | CA1000399 | California | Non-Transient Non-Community | 110 |
| BIG SUR INN | CA2701288 | California | Transient Non-Community | 110 |
| DUCK ISLAND RV PARK | CA3400374 | California | Transient Non-Community | 110 |
| SOULTS MUTUAL WATER COMPANY | CA5400805 | California | Community | 110 |
| WILLOW CREEK M.W.C.-CLARKVILLE | CA0600007 | California | Transient Non-Community | 110 |
| ADKINS HILL MHP | OK2004706 | California | Community | 110 |
| HALCYON WATER SYSTEM | CA4000501 | California | Community | 110 |
| REQUA RESORT | CA0802619 | California | Transient Non-Community | 110 |
| THREE SPRINGS RANCH MUTUAL WATER COMPANY | CA4300770 | California | Community | 110 |
| DE VILLE APARTMENTS | CA3900570 | California | Community | 110 |
| ANDERSON CLAYTON-FRESNO WHSE #2 | CA1000355 | California | Non-Transient Non-Community | 110 |
| RUSACK VINEYARDS | CA4200928 | California | Transient Non-Community | 110 |
| THOMAS WATER SYSTEM | CA1700730 | California | Transient Non-Community | 110 |
| COPUS ROAD LLC | CA1503689 | California | Transient Non-Community | 110 |
| ALTMAN PLANTS WS #03 - ESPINOSA 303 | CA2700850 | California | Non-Transient Non-Community | 110 |
| ONE HOPE WINERY | CA2800068 | California | Transient Non-Community | 110 |
| MORENA CONSERVATION CAMP | CA7300411 | California | Community | 110 |
| BOSTON RANCH J G VOSWELL CO | CA1600027 | California | Community | 110 |
| MJUSD CORDUA SCHOOL | CA5800840 | California | Non-Transient Non-Community | 110 |
| RUTHERFORD HILL WINERY | CA2801084 | California | Non-Transient Non-Community | 110 |
| USFS-SUNSET POINT CAMPGROUND | CA1700634 | California | Transient Non-Community | 110 |
| KAMP KLAMATH CORP. | CA0800635 | California | Transient Non-Community | 110 |
| SANTA CRUZ KOA CAMPGROUNDS | CA4400774 | California | Transient Non-Community | 110 |
| Los Molinos High School | CA5200594 | California | Non-Transient Non-Community | 110 |
| MORENA CONSERVATION CAMP | CA0000411 | California | Community | 110 |
| TRIUMPHANT LIFE CAMP | CA1200773 | California | Transient Non-Community | 110 |
| FLORISTON WATER SYSTEM | CA2900502 | California | Community | 110 |
| YOSEMITE FORKS EST MUTUAL | CA2000527 | California | Community | 110 |
| MAINTENANCE DISTRICT | CA3900992 | California | Community | 110 |
| RUSSOS MOBILE PARK | CA0707601 | California | Community | 110 |
| MISSION FARM R.V. PARK | CA3500556 | California | Community | 110 |
| ROYAL MOUNTAIN KING MINE | CA0500018 | California | Non-Transient Non-Community | 110 |
| CALVARY CHAPEL OF RED BLUFF | CA5200524 | California | Non-Transient Non-Community | 110 |
| CANON MANOR WATER COMPANY | CA4900593 | California | Community | 110 |
| CAMP OWEN WATER SYSTEM | CA1502315 | California | Community | 110 |
| WOODBRIDGE MOBILE ESTATES | CA3900721 | California | Community | 110 |
| YOSEMITE ALPINE VILLAGE | CA2200015 | California | Community | 110 |
| SOAPSTONE SUMMER HOMES | UTAH26074 | California | Transient Non-Community | 110 |
| BTQC-ESCALON | CA3900796 | California | Non-Transient Non-Community | 110 |
| YOSEMITE ALPINE VILLAGE | CA2203015 | California | Community | 110 |
| VIRGINIA ACRES WATER COMPANY | CA2700798 | California | Community | 109 |
| KONOCTI CONSERVATION CAMP | CA0000104 | California | Community | 109 |
| OAK GROVE MOBILE HOME PARK | CA1900537 | California | Community | 109 |
| FCPG/LOST LAKE RECREATION AREA | CA1000097 | California | Transient Non-Community | 109 |
| PODESTA PACKING WATER SYSTEM | CA3901445 | California | Transient Non-Community | 109 |
| GURUDWARA GURU NANAK SAHIB | CA5000507 | California | Transient Non-Community | 109 |
| SYKES WATER CO. | CA4200552 | California | Community | 109 |
| ARROWHEAD COOPERATIVE COMPANY | CA4300504 | California | Community | 109 |
| Oasis at Havasu Palms | 090600201 | California | Transient Non-Community | 109 |