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 |
|---|---|---|---|---|
| BALLICO CSD | CA2400167 | California | Community | 238 |
| LOS TULES MUTUAL WATER COMPANY | CA3700958 | California | Community | 238 |
| SHADED TERRACE PWS | CA3900720 | California | Community | 238 |
| CAMP LAKOTA WATER SYSTEM | CA1502042 | California | Transient Non-Community | 238 |
| CANYON SCHOOL | CA0707620 | California | Non-Transient Non-Community | 238 |
| TWIN OAKS MOBILE PARK | CA3901074 | California | Community | 238 |
| CASITAS MUTUAL WATER COMPANY | CA5601104 | California | Community | 238 |
| PASKENTA COMM. SERVICES DIST. | CA5200534 | California | Community | 237 |
| WINTERS MOBILE HOME PARK | CA5700613 | California | Community | 237 |
| MURRIETA PALMS MOBILE HOME PARK | CA3301169 | California | Community | 237 |
| CSP-HENDY WOODS STATE PARK | CA2310303 | California | Transient Non-Community | 236 |
| KING ISLAND TRAILER PARK WATER SYSTEM | CA3901114 | California | Community | 236 |
| US STORAGE CENTER | TX0150436 | California | Transient Non-Community | 236 |
| Hacienda MHP | CA3600390 | California | Community | 235 |
| ROUNTREE FACILITY(PREV. SHERIFF'S REHAB) | CA4400762 | California | Community | 235 |
| SONORA ESTATES MOBILE HOME PARK | CA5500086 | California | Community | 235 |
| BLUE LAKE CAMPGROUND | CA2500609 | California | Transient Non-Community | 235 |
| BOARD OF SUP, LASSEN CO | CA1800533 | California | Community | 235 |
| FOLDED HILLS WINERY | CA4200973 | California | Transient Non-Community | 235 |
| SILVERTHORN SUMMER | CA4500010 | California | Community | 235 |
| THE BULL | CA5403070 | California | Transient Non-Community | 235 |
| FREEDOM RANCH | CA3700063 | California | Transient Non-Community | 235 |
| SHASTA MARINA RESORT | CA4500100 | California | Transient Non-Community | 235 |
| CASMALIA COMMUNITY SERVICES DISTRICT | CA4200870 | California | Community | 234 |
| GARY WOOD | CA3100053 | California | Transient Non-Community | 234 |
| ELKHORN ESTATES WATER SYSTEM | CA3900724 | California | Community | 234 |
| NORTH OAKS MUTUAL WATER CO | CA5000237 | California | Community | 234 |
| PALO VERDE COUNTY WATER DIST | CA1310010 | California | Community | 233 |
| MAPLE LANE VILLAGE MOBILE HOME PARK | IN5209004 | California | Community | 232 |
| DOGWOOD BLUE JAY CYN IMP | CA3600094 | California | Community | 232 |
| HOLIDAY HARBOR INC | CA4500113 | California | Non-Transient Non-Community | 232 |
| PINYON PINES COUNTY WATER DIST | CA3301512 | California | Community | 232 |
| NPS-HOSPITAL ROCK | CA5410511 | California | Transient Non-Community | 232 |
| RUTHERFORD HILL MUTUAL WATER | CA2800023 | California | Non-Transient Non-Community | 232 |
| SALYER MUTUAL WC (FORMERLY RIVERVIEW AC) | CA5304501 | California | Community | 231 |
| SYLVAN HARBOR TRAILER PARK | CA1200500 | California | Transient Non-Community | 231 |
| YMCA CAMP ARBOLADO | CA3600530 | California | Transient Non-Community | 231 |
| ACAMPO WATER SYSTEM | CA3901303 | California | Community | 231 |
| FOSSIL DISCOVERY CENTER | CA2000932 | California | Transient Non-Community | 231 |
| HOWARD HOT SPRINGS | CA1700523 | California | Transient Non-Community | 231 |
| Yocha Dehe Community Area | 090605155 | California | Community | 230 |
| HENDERSON COUNTY PARK | CA2400088 | California | Transient Non-Community | 230 |
| MADERA CO SA02-WISHON COVE | CA2000542 | California | Transient Non-Community | 230 |
| FOOTHILL HORIZONS | CA5500109 | California | Transient Non-Community | 230 |
| DELTA MOBILE HOME PK & APT | MS0420020 | California | Community | 230 |
| MILLER'S LANDING RESORT | CA2000548 | California | Transient Non-Community | 230 |
| SPANISH FLAT WATER DISTRICT | CA2810014 | California | Community | 230 |
| CIRCLE | VA6099100 | California | Community | 230 |
| RIVERVIEW WATER ASSOCIATION | CA0707577 | California | Community | 230 |
| POINT ARENA HIGH SCHOOL | CA2300806 | California | Non-Transient Non-Community | 230 |