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 |
|---|---|---|---|---|
| ROUND MOUNTAIN OIL INC | CA4500362 | California | Transient Non-Community | 100 |
| BEASORE MUTUAL WATER CO. | CA2000535 | California | Transient Non-Community | 100 |
| OASIS PROPERTY OWNERS ASSOCIATION | CA1500585 | California | Community | 100 |
| COUGLASS SCHOOL CAMP | CA2701333 | California | Transient Non-Community | 100 |
| PELORIA DIGGER BAY LLC | CA4500071 | California | Transient Non-Community | 100 |
| CHURCH OF THE BRETHEREN | CA5102035 | California | Transient Non-Community | 100 |
| FULTON PROCESSORS, INC. | CA4901323 | California | Non-Transient Non-Community | 100 |
| FOX SPARROW RV PARK | CA0900206 | California | Transient Non-Community | 100 |
| NAPA COUNTY SCHOOLS: POPE VALLEY | CA2800840 | California | Non-Transient Non-Community | 100 |
| MAYWOOD FARMS | CA5200865 | California | Transient Non-Community | 100 |
| VALLEY OF THE MOON PLAZA SHOPPING CENTER | CA4901208 | California | Transient Non-Community | 100 |
| DEY MEMORIAL FOUNDATION | CA5400956 | California | Community | 100 |
| BOUQUET MULTIMEDIA | CA5602512 | California | Transient Non-Community | 100 |
| SURE FRESH PRODUCE | CA4200832 | California | Non-Transient Non-Community | 100 |
| BEN LOMOND CONSERVATION CAMP | CA4410800 | California | Non-Transient Non-Community | 100 |
| WILLIAM R PULICE | CA4200730 | California | Community | 100 |
| JEWEL FOOD STORE #3331 | IL3131953 | California | Transient Non-Community | 100 |
| RYAN RANCH | CA2702098 | California | Community | 100 |
| RAGGED POINT INN | CA4000684 | California | Non-Transient Non-Community | 100 |
| HOMEGROWN COLD STORAGE | CA1600603 | California | Transient Non-Community | 100 |
| HORICON SCHOOL | CA4900680 | California | Non-Transient Non-Community | 100 |
| GLORY HOLE RECREATION AREA | CA0500102 | California | Transient Non-Community | 100 |
| CHRISTIANS IN ACTION | CA5401077 | California | Transient Non-Community | 100 |
| MARYSVILLE KOREAN METHODIST CHURCH | CA5103306 | California | Transient Non-Community | 100 |
| ALAMO DISCOUNT STORE | CA3301989 | California | Transient Non-Community | 100 |
| WILDHAVEN YOSEMITE WATER SYSTEM | CA2210945 | California | Transient Non-Community | 100 |
| SEVILLE FOOD MART | CA5402039 | California | Transient Non-Community | 100 |
| UNIVERSITY PROPERTIES | CA4200688 | California | Transient Non-Community | 100 |
| SEQUOIA WATER COMPANY | CA4901016 | California | Transient Non-Community | 100 |
| IMPERIAL IRRIGATION DIST.-OOB | CA3302065 | California | Non-Transient Non-Community | 100 |
| KAWEAH PACKING | CA5402053 | California | Non-Transient Non-Community | 100 |
| LA PENA HOUSING FACILITY | CA3302069 | California | Community | 100 |
| ST. ANDREW PRESBYTERIAN CHURCH | CA5103331 | California | Non-Transient Non-Community | 100 |
| PORTERVILLE CITRUS RAYO | CA5400541 | California | Non-Transient Non-Community | 100 |
| SALLEE WATER SYSTEM | CA5401000 | California | Transient Non-Community | 100 |
| SUMNER PECK RANCH | CA1000591 | California | Transient Non-Community | 100 |
| JEWEL FOOD STORE #3219 BATAVIA | IL3131987 | California | Transient Non-Community | 100 |
| ESCALON LIVESTOCK MKT | CA3901344 | California | Transient Non-Community | 100 |
| Cottonwood Cafe | CA1400021 | California | Transient Non-Community | 99 |
| ZELLHOEFER WATER SYSTEM | CA1400097 | California | Transient Non-Community | 99 |
| CALI LAKE RV RESORT | CA1900975 | California | Community | 99 |
| TECOPA HOT SPRINGS RESORT | CA1400095 | California | Transient Non-Community | 99 |
| ANGLERS SUBDIVISION 4 | CA0707569 | California | Community | 99 |
| MILL CREEK MINI-MART | CA1400132 | California | Transient Non-Community | 99 |
| COVINGTON MILL MWC-DIVISION B | CA5301104 | California | Community | 99 |
| INDIAN SPRINGS | CA1400016 | California | Transient Non-Community | 99 |
| MCARTHUR MOBILEHOME PARK | CA4500084 | California | Community | 99 |
| CAIRDEAN WINERY | CA2800111 | California | Transient Non-Community | 99 |
| CAL TRON CORP. | CA1400080 | California | Non-Transient Non-Community | 99 |
| PINE CREEK MILL DOMESTIC/MINE | CA1400082 | California | Non-Transient Non-Community | 99 |