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 |
|---|---|---|---|---|
| PONDEROSA BASIN MUTUAL WTR CO | CA2210002 | California | Community | 798 |
| DAGGETT COMM SVCS DIST | CA3600086 | California | Community | 795 |
| TAHOE CITY PUD - TAHOE CEDARS | CA3110013 | California | Community | 793 |
| BIG PINE CSD | CA1410006 | California | Community | 792 |
| COLE ELEMENTARY SCHOOL | CA1000397 | California | Non-Transient Non-Community | 787 |
| DOWNIEVILLE PUBLIC U.D. | CA4610002 | California | Community | 783 |
| JUBILEE MWC | CA3600139 | California | Community | 782 |
| CEDAR CREEK CAMPGROUND | CA1502669 | California | Transient Non-Community | 780 |
| COUNTY WATER COMPANY | CA1900582 | California | Community | 780 |
| SAN LUIS HILLS | CA2400209 | California | Community | 779 |
| LAKE OF THE WOODS MWC | CA1510023 | California | Community | 779 |
| MOUNTAIN MESA WC | CA1510042 | California | Community | 777 |
| STERLING MUTUAL WATER COMPANY | CA1900163 | California | Community | 775 |
| FRESNO COUNTY WATER WORKS | CA1010050 | California | Community | 774 |
| HIDDEN SPRINGS CAMPGROUND | CA1900770 | California | Transient Non-Community | 770 |
| JIREH PACKING GROUP - CUTLER | CA5403145 | California | Non-Transient Non-Community | 770 |
| YUIMA MUNICIPAL WATER DISTRICT IDA | CA3700938 | California | Community | 769 |
| RIVERSIDE CSA #122-MESA VERDE | CA3310028 | California | Community | 766 |
| WHITEHAWK RANCH MWC | CA3200102 | California | Community | 765 |
| CAL AM WATER COMPANY - RYAN RANCH | CA2701466 | California | Non-Transient Non-Community | 764 |
| MEADOWCREEK MUTUAL WATER COMPANY | CA1400111 | California | Community | 764 |
| PINE HILLS MUTUAL WATER COMPANY | CA3700905 | California | Community | 760 |
| CENTRAL HIGH SCHOOL WEST | CA1000217 | California | Non-Transient Non-Community | 758 |
| ODD FELLOWS RECREATION CLUB | CA4910026 | California | Community | 757 |
| HURKEY CREEK - RIV. CO. PARKS | CA3301564 | California | Transient Non-Community | 756 |
| PALI OVERNIGHT ADVENTURES | CA3600597 | California | Non-Transient Non-Community | 754 |
| WOODSHIRE EAST MOBILE HOME PARK LTD | CO0103853 | California | Community | 751 |
| FOLSOM LAKE SRA - PENINSULA CAMPGROUND | CA0910300 | California | Transient Non-Community | 751 |
| PIONEER ELEMENTARY SCHOOL | CA1600011 | California | Non-Transient Non-Community | 750 |
| STATE HOSPITAL - #3 | CA3900986 | California | Community | 750 |
| EAST FORK CAMPGROUND | CA2600608 | California | Transient Non-Community | 750 |
| CLOVIS HILLS COMMUNITY CHURCH | CA1000556 | California | Non-Transient Non-Community | 750 |
| MADERA COMMUNITY COLLEGE | CA2000695 | California | Non-Transient Non-Community | 750 |
| RIVERDALE VILLAGE | CA1500452 | California | Community | 750 |
| MAGALIA COUNTY WATER DISTRICT | CA0400009 | California | Community | 750 |
| LOS ALAMOS COMMUNITY SERVICES | CA4200535 | California | Community | 750 |
| SANTA BARBARA BUSINESS PARK | CA4200710 | California | Non-Transient Non-Community | 750 |
| YOSEMITE VIEW LODGE | CA2210926 | California | Non-Transient Non-Community | 750 |
| USFS/DEER CREEK CAMPGROUND | CA1000147 | California | Transient Non-Community | 750 |
| TAHOE PARK WATER COMPANY | CA3110018 | California | Community | 750 |
| CVUSD, OASIS SCHOOL *OOB* | CA3301152 | California | Non-Transient Non-Community | 750 |
| BEACON BAR AND LIQUORS | CA1502001 | California | Transient Non-Community | 750 |
| FOOTHILL ELEMENTARY SCHOOL | CA1000476 | California | Non-Transient Non-Community | 750 |
| DIXON HOUSING AUTHORITY MIGRAN | CA4800607 | California | Transient Non-Community | 750 |
| LATTER DAY SAINTS CHURCH (L.D.S. CHURCH) | CA5000450 | California | Non-Transient Non-Community | 750 |
| LISA J MAILS ELEM SCHOOL- WATER OOB | CA3301122 | California | Non-Transient Non-Community | 750 |
| CON AGRA | CA5000260 | California | Non-Transient Non-Community | 750 |
| VAN DIEST WATER COMPANY | CA1910229 | California | Community | 750 |
| VISTA VILLAGE MHP | CO0107810 | California | Community | 750 |
| SHASTA FOREST VILLAGE M.W.C. | CA4510009 | California | Community | 750 |