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 |
|---|---|---|---|---|
| PARADISE SCHOOL | CA5000274 | California | Non-Transient Non-Community | 218 |
| OLD OAK RANCH | CA5500020 | California | Transient Non-Community | 217 |
| ARBOGA SCHOOL | CA5800846 | California | Non-Transient Non-Community | 217 |
| PINE UNION SCHOOL | CA1300560 | California | Non-Transient Non-Community | 217 |
| KLAMATH GLEN RESORT | CA0800626 | California | Transient Non-Community | 216 |
| COLEVILLE HIGH SCHOOL | CA2600570 | California | Non-Transient Non-Community | 216 |
| POND-DEROSA OAKS WC | CA2701553 | California | Community | 216 |
| LAKE BUCHANAN RV AND CABIN RESORT | TX0270132 | California | Transient Non-Community | 216 |
| COYOTE LAKE COUNTY PARK | CA4300815 | California | Transient Non-Community | 216 |
| ALPINE VIEW CAMPGROUND | CA5301006 | California | Transient Non-Community | 215 |
| FAIRPLAY MHP | CO0147030 | California | Community | 215 |
| BARSTOW CALICO KOA | CA3600409 | California | Transient Non-Community | 215 |
| CASPERS REGIONAL WILDERNESS PARK | CA3000940 | California | Transient Non-Community | 215 |
| Yurok - Requa | 090605014 | California | Community | 215 |
| SKIPPERS COVE | CA2900534 | California | Transient Non-Community | 215 |
| DEL NORTE MUTUAL WATER CO. | CA5602104 | California | Community | 215 |
| MOANING CAVERN | CA0500088 | California | Transient Non-Community | 215 |
| AUBERRY ELEMENTARY SCHOOL | CA1000312 | California | Non-Transient Non-Community | 215 |
| FIR COVE & BAILEY CANYON | CA5305101 | California | Transient Non-Community | 215 |
| EL RANCHO MOBILE HOME PARK | CA1900636 | California | Community | 215 |
| GRIZZLY LAKE CSD-CROCKER/WELCH | CA3200107 | California | Community | 215 |
| HOLMAN RANCH WS | CA2702739 | California | Transient Non-Community | 215 |
| PARADISE LAKE MUTUAL WATER CO. | CA2700674 | California | Community | 213 |
| GIZDICH HOME RANCH | CA4400902 | California | Transient Non-Community | 213 |
| CALHOUN UTILITY | GA1830017 | California | Community | 213 |
| MIDWAY MOBILE HOMES LLC | OH7802112 | California | Community | 213 |
| RIDGE MUTUAL WATER COMPANY | CA4400618 | California | Community | 213 |
| WALKER CREEK RANCH EDUCATIONAL CENTER | CA2100545 | California | Non-Transient Non-Community | 212 |
| CANYON CREEK RESORT | CA5700608 | California | Transient Non-Community | 212 |
| MANDALA WATER SYSTEM | CA1700650 | California | Transient Non-Community | 212 |
| FLYING DOUBLE A RANCH | CA5305008 | California | Transient Non-Community | 212 |
| HARI'S MARKET | CA5403150 | California | Transient Non-Community | 212 |
| JOHN S WASH ELEMENTARY SCHOOL | CA1000293 | California | Non-Transient Non-Community | 212 |
| ELK CREEK COMMUNITY S.D. | CA1100616 | California | Community | 212 |
| OLIVET UNIVERSITY | CA3301863 | California | Community | 212 |
| HIDDEN HARBOUR RESORT | CA4800599 | California | Transient Non-Community | 212 |
| CAMP ST NICHOLAS WATER SYSTEM | CA1502249 | California | Transient Non-Community | 212 |
| FLYING AA RANCH | CA5300135 | California | Transient Non-Community | 212 |
| OAK TRAIL ESTATES | CA4200881 | California | Community | 211 |
| ALVIEW SCHOOL | CA2000598 | California | Non-Transient Non-Community | 211 |
| SPV WATER COMPANY | CA1907028 | California | Community | 211 |
| SHASTA CAVERNS | CA4500248 | California | Transient Non-Community | 211 |
| RANCHO POQUITOS MWC | CA5500072 | California | Community | 211 |
| MOBILE HOME ESTATES | CA4900720 | California | Community | 210 |
| PLACE DE MER CSA 2 | CA4400583 | California | Community | 210 |
| RANCHO CARRILLO MWC | CA3301535 | California | Community | 210 |
| CHERRY VALLEY WATER COMPANY | CA3301114 | California | Community | 210 |
| IRONWOOD CAMP | CA3601015 | California | Community | 210 |
| GOLDEN SIERRA ESTATES_FKA MOTHER LODE | CA5500125 | California | Community | 210 |
| METCALF MOTORCYCLE COUNTY PARK | CA4300948 | California | Transient Non-Community | 210 |