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 |
|---|---|---|---|---|
| GSA TECATE PORT OF ENTRY | CA3710048 | California | Non-Transient Non-Community | 400 |
| Campo Church Road System (HUD Homes) | 090605045 | California | Community | 400 |
| BUTTE CREEK ESTATES MUTUAL WATER CO | CA0400007 | California | Community | 399 |
| PALM SPRINGS CREST | CA3310081 | California | Community | 399 |
| GRAVENSTEIN SCHOOL DISTRICT-GRAVENSTEIN | CA4900708 | California | Non-Transient Non-Community | 398 |
| WESTSIDE SCHOOL | CA1000290 | California | Community | 398 |
| CHAMISAL WA | CA2701659 | California | Non-Transient Non-Community | 396 |
| SAN BERNARDINO CO WATER WORKS | CA3600250 | California | Community | 396 |
| ORICK C.S.D. | CA1200701 | California | Community | 396 |
| FCSA 39 - A AND B | CA1000471 | California | Community | 395 |
| BUCHER WATER COMPANY | CA4901277 | California | Non-Transient Non-Community | 394 |
| WINTERHAVEN COUNTY WATER DISTRICT | CA1300009 | California | Community | 394 |
| BLYTHE - HIDDEN BEACHES | CA3301630 | California | Community | 393 |
| STOCKDALE RANCHOS MUTUAL WATER CO | CA1500557 | California | Community | 393 |
| FAIRVIEW SCHOOL | CA1100525 | California | Transient Non-Community | 391 |
| BIG MEADOWS CAMPGROUND | CA0500044 | California | Transient Non-Community | 390 |
| UNITED UTL-STRAWBERRY | AZ0404019 | California | Community | 390 |
| JOHNSON RANCHES, INC | CA1200644 | California | Community | 390 |
| FOUNTAIN OF YOUTH | CA1300545 | California | Community | 390 |
| MORNING STAR PKG. CO.-WMS. | CA0605002 | California | Non-Transient Non-Community | 390 |
| STANISLAUS UNION SCHOOL DIST | CA5000249 | California | Non-Transient Non-Community | 390 |
| SPRING CREEK TRACT ASSOCIATION | CA0900506 | California | Transient Non-Community | 389 |
| LAKESIDE ELEMENTARY SCHOOL | CA1600013 | California | Non-Transient Non-Community | 388 |
| MOUNTAIN VALE VILLAGE MHP | NH0513100 | California | Community | 388 |
| COAST SPRINGS - CAL. WATER SERVICE (PUC) | CA2110007 | California | Community | 388 |
| ALTA ELEMENTARY SCHOOL | CA1000180 | California | Non-Transient Non-Community | 387 |
| IVANHOE ELEMENTARY SCHOOL | CA5400845 | California | Transient Non-Community | 387 |
| VALLEY ESTATES POA, INC. | CA1500478 | California | Community | 386 |
| CAMP ROBERTS - CALIFORNIA NATIONAL GUARD | CA2710705 | California | Non-Transient Non-Community | 385 |
| CHATOM SCHOOL (EH) | CA5000101 | California | Non-Transient Non-Community | 385 |
| FOREST SPRINGS | CA4400608 | California | Community | 385 |
| ARDAGH GLASS, INC | CA2000660 | California | Non-Transient Non-Community | 384 |
| SOUTH KAWEAH MUTUAL WATER COMPANY | CA5400754 | California | Community | 384 |
| PLAVADA COMMUNITY ASSOCIATION | CA2910011 | California | Community | 384 |
| TEVISTON COMMUNITY SERVICES DISTRICT | CA5400641 | California | Community | 383 |
| COLUSA CO. WWD #2 - PRINCETON | CA0600013 | California | Community | 382 |
| STRAWBERRY LODGE MWC | CA3600301 | California | Community | 381 |
| COLDWATER CAMPGROUND | CA2600604 | California | Transient Non-Community | 380 |
| ELK COUNTY WATER DISTRICT | CA2300514 | California | Community | 380 |
| BELLEVUE UNION SCH DIST-BELLEVUE SCHOOL | CA4900693 | California | Non-Transient Non-Community | 380 |
| BERKELEY TUOLUMNE CAMP | CA5500136 | California | Transient Non-Community | 380 |
| URSULINE HIGH SCHOOL | CA4900773 | California | Transient Non-Community | 380 |
| WESTERN ACRES MUTUAL WATER COMPANY | CA1503475 | California | Community | 380 |
| WILLOW PARK MARINA | CA0707507 | California | Community | 380 |
| Torres-Martinez Clinic | 090605130 | California | Community | 379 |
| SAN ANDREAS MUTUAL WATER CO | CA4400558 | California | Community | 378 |
| M/V MASCO ENDEAVOR | AK2249213 | California | Non-Transient Non-Community | 378 |
| LINWOOD SCHOOL | CA5400851 | California | Non-Transient Non-Community | 378 |
| WP&A - KING WATER SYSTEM | CA1503275 | California | Non-Transient Non-Community | 376 |
| NICHOLS FARMS | CA1600602 | California | Non-Transient Non-Community | 375 |