Browse Water Systems
19,626 public water systems in CA.
Public Water Systems Database
Browse 19,626 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 |
|---|---|---|---|---|
| BLACKHAWK CENTER WATER SYSTEM | CA2000848 | California | Non-Transient Non-Community | 143 |
| JAK HERGET | CA0900566 | California | Transient Non-Community | 143 |
| ALTA SIERRA MUTUAL WATER CO. | CA1500209 | California | Community | 143 |
| Wells Cabin CG, Mendocino NF | CA5200648 | California | Transient Non-Community | 143 |
| GREENLAW MODESTO INVESTORS LLC | CA5000384 | California | Non-Transient Non-Community | 142 |
| MADERA UNIFIED SCHOOL DISTRICT | CA2000838 | California | Non-Transient Non-Community | 142 |
| PINE GROVE MOBILE HOME PARK | CA0800800 | California | Community | 142 |
| FERRARI-CARANO WINERY | CA4901202 | California | Non-Transient Non-Community | 142 |
| KENNON WATER COMPANY | CA4300521 | California | Community | 142 |
| GREENBRIER ESTATES | MI0040352 | California | Community | 142 |
| LAZY H MUTUAL WATER COMPANY | CA3700937 | California | Community | 142 |
| MID -HORSESHOE BEND REC AREA | CA2208033 | California | Transient Non-Community | 142 |
| WHITE MOUNTAIN MUTUAL WATER COMPANY | CA2600621 | California | Community | 142 |
| MAGNOLIA UNION SCHOOL | CA1300553 | California | Non-Transient Non-Community | 142 |
| EAST VALLEY FARMS MUTUAL WATER COMPANY | CA4200800 | California | Community | 142 |
| SHASTA LAKE RV RESORT | CA4500099 | California | Transient Non-Community | 141 |
| COACHELLA VALLEY CWD | CA3310064 | California | Community | 141 |
| GRATTON SCHOOL | CA5000273 | California | Non-Transient Non-Community | 141 |
| SUNSET PARK COMMUNITY | CA4900794 | California | Community | 141 |
| INDALEX WEST, INC. (EH) | CA5000172 | California | Non-Transient Non-Community | 140 |
| HARLEY H STITES | CA1500343 | California | Community | 140 |
| SON SHINE PROPERTIES | CA1502040 | California | Community | 140 |
| CAMPERS INN - RV & GOLF COURSE | CA5700554 | California | Community | 140 |
| HARRIS FARMS HEADQUARTERS | CA1009027 | California | Community | 140 |
| DE CARLI RANCH WATER SYSTEM | CA3900806 | California | Community | 140 |
| EL DORADO IMPROVEMENT CORP | CA0900534 | California | Transient Non-Community | 140 |
| SUSAN RIVER PARK WATER CO. | CA1800503 | California | Community | 140 |
| NORTHSHORE RV RESORT INC | CA3601168 | California | Transient Non-Community | 140 |
| GRANTS PASS MOBILE HOME PARK LLC | OR4101175 | California | Community | 140 |
| MAYWOOD MOBILE HOME PARK | CA5200556 | California | Community | 140 |
| MCHA ATWATER CENTER-CLOSED | CA2400110 | California | Non-Transient Non-Community | 140 |
| COURTRIGHT LAKE VILLAGE | CA1000012 | California | Transient Non-Community | 140 |
| LA CIMA CONSERVATION CAMP | CA7300410 | California | Community | 140 |
| RIO VIENTO RV CAMP [SWS] | CA3400420 | California | Transient Non-Community | 140 |
| FAR EAST APARTMENTS POOL | CA5000344 | California | Community | 140 |
| DESERT PALMS MOBILE HOME PARK | CA1900693 | California | Community | 140 |
| NS MINI MART | CA5403053 | California | Transient Non-Community | 140 |
| TERRA NOVA MOBILE HOME PARK | CA1900721 | California | Community | 140 |
| GOPHER RIDGE TRAILER PARK | GA0610028 | California | Transient Non-Community | 140 |
| ORLAND LDS CHURCH | CA1100103 | California | Transient Non-Community | 140 |
| BROOKTRAILS IMPROVEMENT DIST | CA2300593 | California | Community | 140 |
| ELDERS TRAILER PARK | CA3100065 | California | Community | 140 |
| BOULEVARD GARDENS WATER CO | CA3010096 | California | Community | 140 |
| WYNOLA WATER DISTRICT | CA3701837 | California | Community | 140 |
| PLASKETT RECREATIONAL AREA | CA1100554 | California | Transient Non-Community | 140 |
| D&A WAREHOUSING LLC | ID7100187 | California | Non-Transient Non-Community | 140 |
| GREELEY HILL ELEMENTARY SCHOOL | CA2200031 | California | Transient Non-Community | 140 |
| D G M WATER CO | CA1500505 | California | Community | 140 |
| HAVASU WATER COMPNAY | CA3600118 | California | Community | 140 |
| USAF MEDICAL AID STATION | CA0810700 | California | Community | 140 |