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 |
|---|---|---|---|---|
| AUSTIN ACRES MUTUAL WATER COMPANY | CA4900620 | California | Community | 82 |
| FLORICULTURA PACIFIC WS | CA2701152 | California | Non-Transient Non-Community | 82 |
| LAKE OF THE WOODS MOBILE VILLAGE | CA1500459 | California | Community | 82 |
| TOMALES TIN BUILDING | CA2100576 | California | Transient Non-Community | 82 |
| DESERT BREEZE MOBILE HOME ESTATES | CA1502247 | California | Community | 82 |
| HAWKINS WATER CO-CAL WATER SERVICE (PUC) | CA4900546 | California | Community | 81 |
| SHINGLETOWN PROFESSIONAL BLDG | CA4500221 | California | Transient Non-Community | 81 |
| NORTH WAWONA ESTATES (B SYSTEM) | CA2210913 | California | Transient Non-Community | 81 |
| STRONGHOLD H20 DISTRICT | CA2500806 | California | Community | 81 |
| OASIS PALMS RV RESORT | CA3303002 | California | Transient Non-Community | 81 |
| COUNTY MARKET-WATER VEND UNIT | IL3123851 | California | Transient Non-Community | 81 |
| CLEONE CAMPGROUND AND GROCERY | CA2300636 | California | Transient Non-Community | 81 |
| BARON CANYON MUTUAL WATER CO. | CA4000214 | California | Community | 81 |
| STRONGHOLD H20 DISTRICT | CA2500502 | California | Community | 81 |
| WOODED VIEW ACRES MUTUAL | CA4300558 | California | Community | 81 |
| PSMCSD - LANGLEY/VALLE PACIFICO WS | CA2701670 | California | Community | 81 |
| SIENNA RIDGE ESTATES | ID1280246 | California | Community | 81 |
| FCSA 10A - MANSIONETTE ESTATES | CA1000554 | California | Community | 81 |
| BISHOP ACRES MUTUAL WATER COMPANY | CA1500434 | California | Community | 81 |
| BILL HASKIN LYNN HASKIN | CA0900589 | California | Transient Non-Community | 81 |
| SAN MIGUEL CANYON ROAD WATER S | CA2700747 | California | Community | 81 |
| ALMOND BAYAU RANCH | CA5700611 | California | Transient Non-Community | 81 |
| BLUE OAK TERRACE MUTUAL | CA0409181 | California | Community | 81 |
| Mesa Grande - Black Canyon | 090605132 | California | Community | 81 |
| CWS - PONDEROSA | CA1500352 | California | Community | 81 |
| CAMP KREM YOSEMITE | CA2000564 | California | Transient Non-Community | 81 |
| BANTA MUTUAL WATER CO #1 | CA3900555 | California | Community | 81 |
| WEST VALLEY BAPTIST CHURCH | CA5700816 | California | Non-Transient Non-Community | 81 |
| BRANDER VINEYARD | CA4200979 | California | Transient Non-Community | 80 |
| REDWOOD EMPIRE SAWMILL | CA4901179 | California | Non-Transient Non-Community | 80 |
| S&K MINI MART | CA1000464 | California | Transient Non-Community | 80 |
| SISTERS OF THE PRESENTATION CENTER | CA4300801 | California | Transient Non-Community | 80 |
| CRASS MUTUAL WATER COMPANY | CA2000530 | California | Community | 80 |
| BAMBI INN | CA0400093 | California | Transient Non-Community | 80 |
| PINE TREE LANE MUTUAL WATER CO | CA4400582 | California | Community | 80 |
| SHASTA VALLEY GOLF CLUB | CA4700640 | California | Transient Non-Community | 80 |
| HILL COUNTRY | CA4300793 | California | Transient Non-Community | 80 |
| MIRAMONTE SCHOOL | CA1000191 | California | Non-Transient Non-Community | 80 |
| B & E MARKET | CA3400414 | California | Transient Non-Community | 80 |
| ESTER SANCHEZ | CA3400321 | California | Transient Non-Community | 80 |
| GREEN MOUNTAIN WATER COMPANY | CA4300560 | California | Community | 80 |
| SUMMERDALE CAMPGROUND | CA2200069 | California | Transient Non-Community | 80 |
| SHEPHERD OF THE HILLS | CA1907016 | California | Transient Non-Community | 80 |
| ANZA BAPTIST CHURCH | CA3301113 | California | Transient Non-Community | 80 |
| SKEET VARNER | CA1502087 | California | Transient Non-Community | 80 |
| SIERRA SKIES R V PARK | CA4600074 | California | Transient Non-Community | 80 |
| OAK RIDGE CENTER-PAUL HERMANN | CA3900734 | California | Transient Non-Community | 80 |
| NICHOLAS P KUKULICA VFW POST | CA3901317 | California | Transient Non-Community | 80 |
| RIVERCREST BAR | CA3901333 | California | Transient Non-Community | 80 |
| TERRA LINDA FARMS | CA1009222 | California | Community | 80 |