Browse Water Systems
20,002 public water systems in CA.
Public Water Systems Database
Browse 20,002 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 |
|---|---|---|---|---|
| TAHOE CITY PUBLIC UTIL DIST | CA3110210 | California | Community | 2,000 |
| MARYSVILLE RACEWAY PARK | CA5800914 | California | Transient Non-Community | 2,000 |
| PRUNETREE SHOPPING CENTER WS | CA2702368 | California | Non-Transient Non-Community | 2,000 |
| CENTRAL CA HEALTH CARE SYSTEM | CA1000344 | California | Non-Transient Non-Community | 2,000 |
| LARRY BASS | CA1100543 | California | Transient Non-Community | 2,000 |
| SUTTER YOUTH ORGANIZATION | CA5103315 | California | Transient Non-Community | 2,000 |
| MARIPOSA PUBLIC UTILITY DIST | CA2210001 | California | Community | 2,000 |
| NORTHSTAR SUMMIT DECK & GRILL | CA3107311 | California | Transient Non-Community | 2,000 |
| CERRITOS COLLEGE | CA1900025 | California | Non-Transient Non-Community | 2,000 |
| BILL SAULSBERRY, PRES | CA5300010 | California | Transient Non-Community | 2,000 |
| PONDEROSA CAMPGROUND | CA2701116 | California | Transient Non-Community | 2,000 |
| TORO REGIONAL PARK | CA2701222 | California | Transient Non-Community | 2,000 |
| San Bernardino CSA No. 70, Zone EV-1 | CA3610127 | California | Non-Transient Non-Community | 2,000 |
| PACIFIC UNION COLLEGE | CA2800502 | California | Community | 2,000 |
| LAKE BERRYESSA MARINA RESORT - INACTIVE | CA2800572 | California | Community | 2,000 |
| AMERICAN RIVER COLLEGE | CA3400278 | California | Non-Transient Non-Community | 2,000 |
| LEE'S FRONTIER | CA1400508 | California | Transient Non-Community | 2,000 |
| CACHUMA WATER & SANITATION | CA4210027 | California | Transient Non-Community | 2,000 |
| GREGORI HIGH SCHOOL | CA5000568 | California | Non-Transient Non-Community | 2,000 |
| USFS-CRYSTAL LAKE B-13 WATER | CA1900586 | California | Transient Non-Community | 2,000 |
| TRAVEL CENTERS OF AMERICA | CA1500586 | California | Non-Transient Non-Community | 2,000 |
| VALLEY CHRISTIAN HIGH SCHOOL | CA1909005 | California | Non-Transient Non-Community | 2,000 |
| LARRY BASS | CA1100544 | California | Transient Non-Community | 2,000 |
| HENRY COE PARK WIDOW HOBB SPR | CA4310301 | California | Transient Non-Community | 2,000 |
| CAL TRANS - DESERT OASIS | CA3600044 | California | Transient Non-Community | 2,000 |
| U.S. ARMY CORPS-LAKE MENDO (BUSHAY SITE) | CA2300853 | California | Transient Non-Community | 2,000 |
| EASTSIDE WATER ASSOCIATION | CA3010008 | California | Community | 2,000 |
| PYRAMID CREEK TRAILHEAD | CA0900502 | California | Transient Non-Community | 2,000 |
| FRESNO COUNTY WATER WORKS | CA1010016 | California | Community | 1,995 |
| FCSA 47 - QUAIL LAKE ESTATES | CA1010055 | California | Community | 1,988 |
| KINNELOA IRRIGATION DIST. | CA1910035 | California | Community | 1,960 |
| PACIFIC UNION COLLEGE | CA2810012 | California | Community | 1,958 |
| FRESNO COUNTY WATER WORKS | CA1010014 | California | Community | 1,953 |
| BULLARD HIGH SCHOOL | CA1000273 | California | Transient Non-Community | 1,950 |
| GOLDEN STATE WATER COMPANY - TANGLEWOOD | CA4210021 | California | Community | 1,947 |
| VENTURA CWWD NO. 17 - BELL CANYON | CA5610003 | California | Community | 1,946 |
| SIERRA TAHOE MAIN LODGE | CA0900659 | California | Non-Transient Non-Community | 1,940 |
| SEACLIFF STATE BEACH | CA4410310 | California | Transient Non-Community | 1,927 |
| TUSCAN RIDGE | CA0409182 | California | Transient Non-Community | 1,917 |
| BOLTHOUSE FRESH FOODS | CA1503349 | California | Non-Transient Non-Community | 1,917 |
| AGNEWS RESIDENTIAL FACILITY | CA0000210 | California | Community | 1,903 |
| AGNEWS DEVELOPMENTAL CENTER | CA7300210 | California | Community | 1,903 |
| ATASCADERO STATE HOSPITAL | CA7300209 | California | Community | 1,900 |
| ATASCADERO STATE HOPSITAL | CA0000209 | California | Community | 1,900 |
| SIERRA TAHOE WEST BOWL | CA0900664 | California | Transient Non-Community | 1,900 |
| REDWOOD HIGH SCHOOL | CA5400856 | California | Transient Non-Community | 1,889 |
| WP&A - LOST HILLS WATER SYSTEM | CA1502759 | California | Non-Transient Non-Community | 1,888 |
| TUD - CEDAR RIDGE WATER SYSTEM | CA5510015 | California | Community | 1,879 |
| HAMILTON BRANCH CSD | CA3210010 | California | Community | 1,874 |
| MT WHITNEY HIGH SCHOOL | CA5400866 | California | Transient Non-Community | 1,866 |