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 |
|---|---|---|---|---|
| ROYAL MOUNTAIN KING MINE | CA0500018 | California | Non-Transient Non-Community | 110 |
| CHISAN ORCHIDS NURSERY | CA4200963 | California | Transient Non-Community | 110 |
| HALCYON WATER SYSTEM | CA4000501 | California | Community | 110 |
| ADKINS HILL MHP | OK2004706 | California | Community | 110 |
| KAMP KLAMATH CORP. | CA0800635 | California | Transient Non-Community | 110 |
| LAKESIDE MOBILE HOME & RV PARK | OR4100450 | California | Community | 110 |
| MORENA CONSERVATION CAMP | CA0000411 | California | Community | 110 |
| BOSTON RANCH J G VOSWELL CO | CA1600027 | California | Community | 110 |
| YOSEMITE FORKS EST MUTUAL | CA2000527 | California | Community | 110 |
| SAN JOAQUIN FAIR - 2ND DISTRICT | CA3910302 | California | Transient Non-Community | 110 |
| PLACER CWA - BIANCHI ESTATES | CA3110040 | California | Community | 110 |
| THREE SPRINGS RANCH MUTUAL WATER COMPANY | CA4300770 | California | Community | 110 |
| CASTROVILLE HOLDING CO | CA2700570 | California | Transient Non-Community | 110 |
| DUCK ISLAND RV PARK | CA3400374 | California | Transient Non-Community | 110 |
| SIERRA KNOLLS WINERY WATER SYSTEM | CA2901530 | California | Transient Non-Community | 110 |
| ALTMAN PLANTS WS #03 - ESPINOSA 303 | CA2700850 | California | Non-Transient Non-Community | 110 |
| YOSEMITE ALPINE VILLAGE | CA2200015 | California | Community | 110 |
| DEL RIO EAST HOA WATER SYSTEM | CA5000099 | California | Community | 110 |
| PAUL OLIVETE | CA2700902 | California | Community | 110 |
| MISSION FARM R.V. PARK | CA3500556 | California | Community | 110 |
| SANTA CRUZ KOA CAMPGROUNDS | CA4400774 | California | Transient Non-Community | 110 |
| RUSSOS MOBILE PARK | CA0707601 | California | Community | 110 |
| WOODBRIDGE MOBILE ESTATES | CA3900721 | California | Community | 110 |
| Los Molinos High School | CA5200594 | California | Non-Transient Non-Community | 110 |
| SAF-T-CAB | CA1000399 | California | Non-Transient Non-Community | 110 |
| SOULTS MUTUAL WATER COMPANY | CA5400805 | California | Community | 110 |
| CDF-CHAMBERLAIN CREEK CONSERVATION CAMP | CA2310801 | California | Non-Transient Non-Community | 110 |
| ONE HOPE WINERY | CA2800068 | California | Transient Non-Community | 110 |
| CANON MANOR WATER COMPANY | CA4900593 | California | Community | 110 |
| MORENA CONSERVATION CAMP | CA7300411 | California | Community | 110 |
| BTQC-ESCALON | CA3900796 | California | Non-Transient Non-Community | 110 |
| RUTHERFORD HILL WINERY | CA2801084 | California | Non-Transient Non-Community | 110 |
| CAMP OWEN WATER SYSTEM | CA1502315 | California | Community | 110 |
| MAINTENANCE DISTRICT | CA3900992 | California | Community | 110 |
| KONOCTI CONSERVATION CAMP | CA0000104 | California | Community | 109 |
| NAGGIAR VINEYARDS | CA2900112 | California | Transient Non-Community | 109 |
| PODESTA PACKING WATER SYSTEM | CA3901445 | California | Transient Non-Community | 109 |
| VIRGINIA ACRES WATER COMPANY | CA2700798 | California | Community | 109 |
| OAK GROVE MOBILE HOME PARK | CA1900537 | California | Community | 109 |
| ARROWHEAD COOPERATIVE COMPANY | CA4300504 | California | Community | 109 |
| SUNRISE MUTUAL WATER CO. | CA5400881 | California | Community | 109 |
| FCPG/LOST LAKE RECREATION AREA | CA1000097 | California | Transient Non-Community | 109 |
| CARLON CAMPGROUND | CA5500032 | California | Transient Non-Community | 109 |
| SHASTA CO CSA # 13 ALPINE MEADOWS | CA4500314 | California | Community | 109 |
| Oasis at Havasu Palms | 090600201 | California | Transient Non-Community | 109 |
| GURUDWARA GURU NANAK SAHIB | CA5000507 | California | Transient Non-Community | 109 |
| SAINTSBURY WINERY | CA2800077 | California | Transient Non-Community | 109 |
| SYKES WATER CO. | CA4200552 | California | Community | 109 |
| KONOCTI CONSERVATION CAMP | CA7300104 | California | Community | 109 |
| THE RANCH AT LIVE OAK | CA5602302 | California | Non-Transient Non-Community | 109 |