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 |
|---|---|---|---|---|
| ROYAL OAKS PARK WS | CA2700636 | California | Transient Non-Community | 251 |
| LASSEN VNP - SUMMIT LAKE | CA5210506 | California | Transient Non-Community | 251 |
| RANCHO GRANDE MOBILE HOME PARK | CA2400001 | California | Community | 250 |
| V LIONS OPS WATER SYSTEM | CA1502133 | California | Non-Transient Non-Community | 250 |
| CHARTVILLE SCHOOL | CA3900787 | California | Transient Non-Community | 250 |
| DOLLAR GENERAL STORE 19496 | TX1013635 | California | Transient Non-Community | 250 |
| DELTA HIGH SCHOOL | CA5700510 | California | Non-Transient Non-Community | 250 |
| SOUTH FORTY RV PARK | UTAH16015 | California | Transient Non-Community | 250 |
| TURKEY CREEK GOLF CLUB | CA3107084 | California | Non-Transient Non-Community | 250 |
| MCPR-CATHEY S VALLEY PARK | CA2207094 | California | Transient Non-Community | 250 |
| PLEASANT RIDGE SCHOOL | CA2900535 | California | Non-Transient Non-Community | 250 |
| JOHN DODDS | CA2300595 | California | Community | 250 |
| STRIPES 1509 | TX1050106 | California | Transient Non-Community | 250 |
| BASS LAKE HEIGHTS MUTUAL WATER | CA2000502 | California | Community | 250 |
| GRANTLINE-99 WMD | CA3400367 | California | Non-Transient Non-Community | 250 |
| ROSEDALE UNION SCHOOL | CA1502233 | California | Transient Non-Community | 250 |
| DOLE LOS CERRITOS WELL | CA2400214 | California | Transient Non-Community | 250 |
| IBM WATER SYSTEM | CA4300781 | California | Transient Non-Community | 250 |
| JUMBO LAUNDRY | IL3152488 | California | Transient Non-Community | 250 |
| CHEF'S HAT RESTAURANT | CA3702494 | California | Transient Non-Community | 250 |
| COLUSA CO. SERVICE AREA #2-STONYFORD | CA0600005 | California | Community | 250 |
| OCEAN'S EDGE ESTATES | CA2300634 | California | Community | 250 |
| WHISPERING OAKS PROGRAM CENTER | CA3700911 | California | Transient Non-Community | 250 |
| TAHOE PARK WATER COMPANY | CA3110118 | California | Community | 250 |
| STOCKTON STEEL CO | CA3901211 | California | Non-Transient Non-Community | 250 |
| MODERN MOBILE HOME PARK | CA2400007 | California | Community | 250 |
| ASTORGAS WATER SYSTEM | CA1400131 | California | Transient Non-Community | 250 |
| CASTLE MOBILE HOME PARK | CA2400010 | California | Community | 250 |
| PARKWAY LAKES RV PARK | CA4300924 | California | Community | 250 |
| Fast Boy Market-CLOSED | CA2400012 | California | Transient Non-Community | 250 |
| OAKS MOBILE HOME PARK | OK3001934 | California | Community | 250 |
| TUOLUMNE RIVER RESORT | CA5000068 | California | Community | 250 |
| GEORGE CHIALA FARMS INC | CA4300988 | California | Non-Transient Non-Community | 250 |
| SHORE FUN RECREATION AREA | CA2200034 | California | Transient Non-Community | 250 |
| DOLLAR GENERAL CLEVELAND | TX1700836 | California | Transient Non-Community | 250 |
| HUHTAMAKI COMPANY | CA3400350 | California | Non-Transient Non-Community | 250 |
| CAMP SACRAMENTO | CA0900516 | California | Transient Non-Community | 250 |
| GREEN DIAMOND RESOURCE COMPANY - KORBEL | CA1200715 | California | Community | 250 |
| CAMP WINACKA | CA3702319 | California | Transient Non-Community | 250 |
| RIVER ESTATES MUTUAL WATER COMPANY | CA2300605 | California | Community | 250 |
| LAKE BERRYESSA PARK | CA2810500 | California | Community | 250 |
| CAMP SIERRA | CA1000010 | California | Transient Non-Community | 250 |
| KERN VALLEY MOOSE LODGE #498 | CA1502429 | California | Transient Non-Community | 250 |
| DOLE OAKDALE ROAD WELL | CA2400182 | California | Transient Non-Community | 250 |
| AURORA RESORT | CA1700625 | California | Transient Non-Community | 250 |
| Z FOODS/WATER SYSTEM | CA2000909 | California | Non-Transient Non-Community | 250 |
| SHIPPERS DEVELOPMENT | CA2701098 | California | Transient Non-Community | 250 |
| WASHINGTON SCHOOL WS | CA2701221 | California | Non-Transient Non-Community | 250 |
| OLD WINERY COMPLEX - INACTIVE | CA3901199 | California | Transient Non-Community | 250 |
| WOODEN VALLEY WINERY | CA4800784 | California | Transient Non-Community | 250 |