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 |
|---|---|---|---|---|
| ORLAND OAKS MHP | CA1100436 | California | Community | 186 |
| CSP CASWELL STATE PARK | CA3910300 | California | Transient Non-Community | 186 |
| MELROSE MHP | TX1010743 | California | Community | 186 |
| ELLWOOD MUTUAL WATER COMPANY | CA4200693 | California | Community | 186 |
| CRYSTAL LAKE PROPERTY OWNERS | CA3601010 | California | Community | 186 |
| MONTEREY PARK TRACT CSD | CA5000389 | California | Community | 186 |
| USFS-TOIYABE, CHAS NAPES BLDG | CA2610402 | California | Transient Non-Community | 186 |
| PANORAMA MUTUAL WATER COMPANY | CA3301499 | California | Community | 186 |
| HRC C.S.D. | CA0800556 | California | Community | 185 |
| COUNTRYSIDE MOBILE HOME PARK | CA5800828 | California | Community | 185 |
| PLEASANT GROVE ELEMENTARY SCHOOL | CA3400250 | California | Non-Transient Non-Community | 185 |
| SHADY OAKS MOBILE HOME PARK | ME0001009 | California | Community | 185 |
| ROLLING HILLS RANCHO WA | CA2700713 | California | Community | 185 |
| KELLOGG GARDEN PRODUCTS | CA3901306 | California | Non-Transient Non-Community | 185 |
| FCWWD 38/SKY HARBOUR | CA1000041 | California | Community | 185 |
| USFS-BUCKHORN CAMP A-12 WATER | CA1900058 | California | Transient Non-Community | 185 |
| MORONGO GOLF COURSE AT TUKWET CNYN | CA3303071 | California | Non-Transient Non-Community | 185 |
| BETHEL ISLAND MHC | CA0707575 | California | Community | 185 |
| MARCUM ILLINOIS ELEMENTARY SCHOOL | CA5100140 | California | Non-Transient Non-Community | 185 |
| TOLENAS SCHOOL | CA4800634 | California | Transient Non-Community | 185 |
| Santa Rosa Reservation | 090605019 | California | Community | 185 |
| ALPINE OAKS ESTATES LLC | CA3701988 | California | Community | 185 |
| PAUMA VALLEY WATER COMPANY | CA3700934 | California | Community | 185 |
| DEL ORO WC - ARBUCKLE DISTRICT | CA0605011 | California | Community | 185 |
| Hinkley Valley WC | CA3600126 | California | Community | 185 |
| CSP - BALE GRIST MILL STATE HISTORIC PAR | CA2810300 | California | Transient Non-Community | 185 |
| DOYLE SPRINGS ASSOCIATION | CA5401093 | California | Transient Non-Community | 185 |
| DEL ORO WATER CO. - HAT CREEK DISTRICT | CA4500022 | California | Community | 185 |
| HORIZON CONTINUING HIGH SCHOOL | CA3301167 | California | Transient Non-Community | 185 |
| FERNWOOD WS | CA2702325 | California | Community | 184 |
| BISHOP WATER COMPANY | CA2701324 | California | Community | 184 |
| LOS ANGELES RESIDENTIAL COMMUNITY FOUNDA | CA1900062 | California | Community | 184 |
| FOOTHILL ESTATES WS | CA2702198 | California | Community | 183 |
| FCSA 43 - RAISIN CITY | CA1000551 | California | Community | 182 |
| HARRIS FARMS SOUTH 101-144 | CA1009028 | California | Community | 182 |
| DEL ORO WATER CO.-WALNUT RANCH | CA0600011 | California | Community | 182 |
| ASSOCIATIONS OF THOMPSON LAKE | CA3200172 | California | Transient Non-Community | 182 |
| SUNSET BEACH MUTUAL WATER CO | CA4400599 | California | Community | 182 |
| SO CAL WATER CO VICTORVILLE 5 | CA3600281 | California | Community | 182 |
| BIG REDWOOD PARK WATER | CA4400526 | California | Community | 182 |
| SIERRA CO. W.W.D #1 CALPINE | CA4600019 | California | Community | 182 |
| BURREL UNION ELEMENTARY SCHOOL | CA1000182 | California | Non-Transient Non-Community | 181 |
| SONOMA MOUNTAIN COUNTY WATER DISTRICT | CA4900580 | California | Community | 181 |
| MT. HAMILTON GRANDVIEW RESTAURANT | CA4300949 | California | Transient Non-Community | 181 |
| CSP - PORTOLA STATE PARK | CA4100527 | California | Transient Non-Community | 181 |
| CAMP LATIEZE | CA4500326 | California | Transient Non-Community | 180 |
| BIA HOOPA SYSTEM | 090600065 | California | Community | 180 |
| BERKSHIRE ESTATES | MA1058002 | California | Community | 180 |
| CAMPTONVILLE COMMUNITY SERV DIST | CA5800924 | California | Community | 180 |
| NORTHBAY LOGISTICS CENTER FKA SAVEMART | CA4810019 | California | Non-Transient Non-Community | 180 |