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 |
|---|---|---|---|---|
| CALTRANS - MOUNTAIN PASS JPOE CVEF | CA3610130 | California | Non-Transient Non-Community | 149 |
| DIXON 76 | CA4800732 | California | Transient Non-Community | 149 |
| MULBERRY MHP | CA5000072 | California | Community | 148 |
| GEORGE RANCH MUTUAL WATER COMPANY | CA4900973 | California | Community | 148 |
| CODY WATER ASSOCIATION | CA0901260 | California | Transient Non-Community | 148 |
| CURRIER ESTATES WATER CORP | CA3900701 | California | Community | 148 |
| NICKEL & NICKEL WINERY | CA2800027 | California | Non-Transient Non-Community | 148 |
| HART CREEK ESTATES MUTUAL WATER CO. | CA1503329 | California | Community | 148 |
| MD 06 LAKE SHORE PARK | CA2000550 | California | Transient Non-Community | 148 |
| BLACK BUTTE MOBILE H.P. | CA1100405 | California | Community | 148 |
| OAKWOOD LAKE MOBILE HOME PARK | CA3910029 | California | Community | 148 |
| ROSEVIEW HEIGHTS MUTUAL WATER COMPANY | CA4300562 | California | Community | 148 |
| OID #41 - MOUNTAIN VIEW | CA5000016 | California | Community | 147 |
| LONGVIEW MOBILE HOME PARK | CO0116484 | California | Community | 147 |
| LAKEVIEW WATER & IMPROV ASSN | CA3600148 | California | Community | 147 |
| PARADISE CANYON IMPROVEMENT ASSOCIATION | CA4200543 | California | Transient Non-Community | 147 |
| CAL ORE MOBILE ESTATES | CA4700546 | California | Community | 146 |
| MCGEE CREEK MOBILE HOME PARK | CA2600572 | California | Transient Non-Community | 146 |
| CHEVRON-TEXACO G & W WATER SYSTEM | CA1503100 | California | Non-Transient Non-Community | 146 |
| WHISKEYTOWN NRA-CARR MEMORIAL | CA4510503 | California | Transient Non-Community | 146 |
| HUGHSON NUT INC. - LIVINGSTON | CA2400162 | California | Non-Transient Non-Community | 146 |
| TAHOE FOREST CHURCH | CA2904020 | California | Transient Non-Community | 145 |
| SAN MARTIN FOOTHILLS WATER COMPANY | CA4300638 | California | Community | 145 |
| CENTRAL CA ALMOND GROWERS ASSN | CA1000560 | California | Transient Non-Community | 145 |
| VALLECITO COUNTY PARK | CA3700931 | California | Transient Non-Community | 145 |
| CARNEGIE SVRA | CA3910301 | California | Transient Non-Community | 145 |
| OLIVE CREST | CA4200639 | California | Non-Transient Non-Community | 145 |
| MIRA MONTE WATER CO. | CA5200560 | California | Community | 145 |
| METROPOLITAN RECREATION CENTER (A) | CA1502321 | California | Transient Non-Community | 145 |
| RAINERI MUTUAL WATER COMPANY | CA4300520 | California | Community | 145 |
| BAR 717 RANCH | CA5305402 | California | Transient Non-Community | 145 |
| ONEIL CREEK CAMPGROUND | CA4700613 | California | Transient Non-Community | 145 |
| DELTA ISLAND ELEMENTARY SCHOOL | CA3900713 | California | Non-Transient Non-Community | 145 |
| CLOVIS MOUNTAINVIEW PRESCHOOL | CA1000415 | California | Non-Transient Non-Community | 145 |
| SAN LORENZO WOODS | CA4400622 | California | Community | 145 |
| MADERA IRRIGATION DISTRICT | CA2000352 | California | Non-Transient Non-Community | 145 |
| RIO RAMAZA UTILITY MGT PROJECT | CA5100506 | California | Community | 145 |
| LASSEN VNP - SOUTHWEST/CHALET | CA5210501 | California | Transient Non-Community | 145 |
| EVERGREEN ESTATES | MI0040484 | California | Community | 145 |
| CORRAL HOLLOW PWS | CA3900702 | California | Community | 145 |
| OID #45 | CA5000013 | California | Community | 144 |
| HAVASU LANDING INC | CA3600117 | California | Community | 144 |
| PANORAMA HEIGHTS PROP OWNERS | CA5400509 | California | Transient Non-Community | 144 |
| CENTRAL COAST INDUSTRIES INC | ND1311644 | California | Transient Non-Community | 144 |
| HOLT OF CALIFORNIA | CA5100153 | California | Non-Transient Non-Community | 144 |
| PARK MUTUAL WATER COMPANY | CA4400620 | California | Community | 144 |
| SIERRA BELLA MUTUAL WATER COMPANY | CA1500341 | California | Community | 144 |
| COUNTRY SQUIRE ESTATES | CA5000079 | California | Community | 144 |
| SISKIYOU CO.SERVICE AREA #5/CARRICK | CA4700521 | California | Community | 143 |
| JAK HERGET | CA0900566 | California | Transient Non-Community | 143 |