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 |
|---|---|---|---|---|
| MOSSDALE MOBILE HOME PARK | CA3900589 | California | Community | 100 |
| LEISURE MANOR | CA3900603 | California | Community | 100 |
| REEDS MARKET | CA4500359 | California | Transient Non-Community | 100 |
| OASIS RANCH-CLOSED | CA2400194 | California | Transient Non-Community | 100 |
| BING YEE CHAU | CA3900961 | California | Transient Non-Community | 100 |
| DONNA PIRRO | CA2300713 | California | Community | 100 |
| BEAR CREEK TRADING POST | CA4500301 | California | Transient Non-Community | 100 |
| CAMP FENNER CANYON | CA1900898 | California | Transient Non-Community | 100 |
| TNF-SARDINE LAKE/SALMON CREEK | CA4600080 | California | Transient Non-Community | 100 |
| CUESTA MOTEL APARTMENTS - INACTIVE | CA4000636 | California | Transient Non-Community | 100 |
| AIR LANE MOBILE HOME PARK | CA1900810 | California | Community | 100 |
| Round Valley Admin. Complex | 090605128 | California | Non-Transient Non-Community | 100 |
| CAMP LOUIS ROUTH | CA1900201 | California | Transient Non-Community | 100 |
| MORRO BAY MUTUAL WATER CO | CA4000665 | California | Non-Transient Non-Community | 100 |
| NORTH WAWONA PARK | CA2203019 | California | Transient Non-Community | 100 |
| NORTH WAWONA ESTATES | CA2203018 | California | Transient Non-Community | 100 |
| JEWEL 2363 | IL3165506 | California | Transient Non-Community | 100 |
| COUNTRY BAR (WATER) | CA3901300 | California | Transient Non-Community | 100 |
| SPEEDY FOOD STORE WATER SYS | CA3901307 | California | Transient Non-Community | 100 |
| PETALUMA LIVESTOCK AUCTION YARD | CA4901079 | California | Transient Non-Community | 100 |
| SIERRA GOLD NURSERIES | CA5103015 | California | Non-Transient Non-Community | 100 |
| Temalpakh Farm | 090605167 | California | Non-Transient Non-Community | 100 |
| BOTHIN YOUTH CENTER | CA2100567 | California | Transient Non-Community | 100 |
| L E NEWSOME | CA4500103 | California | Transient Non-Community | 100 |
| ANGEL S CAFE | CA2100554 | California | Transient Non-Community | 100 |
| MARKO ZANINOVICH, INC. - POND ROAD | CA1503374 | California | Non-Transient Non-Community | 100 |
| HIGH VALLEY RANCH | CA1700695 | California | Transient Non-Community | 100 |
| HORNE VINEYARDS | CA1700680 | California | Transient Non-Community | 100 |
| TRINITY - CORONA | CA3302056 | California | Community | 100 |
| FRITZ'S PLACE | CA1700679 | California | Transient Non-Community | 100 |
| KENDALL JACKSON WINERY | CA1700673 | California | Transient Non-Community | 100 |
| MORADA SHOPPING CENTER | CA3901121 | California | Non-Transient Non-Community | 100 |
| CEMEX CALIF CEMENT LLC VV | CA3601062 | California | Non-Transient Non-Community | 100 |
| CEMEX CALIF CEMENT LLC AV | CA3601130 | California | Non-Transient Non-Community | 100 |
| GEORGE BRITTNER | CA1900786 | California | Community | 100 |
| SOLARIS INN | CA3901129 | California | Transient Non-Community | 100 |
| CROSSROADS CHURCH | CA3302048 | California | Transient Non-Community | 100 |
| ROYCE FARMS BBQ | CA3901311 | California | Transient Non-Community | 100 |
| DURHAM FERRY PARK | CA3901314 | California | Transient Non-Community | 100 |
| INDIAN FLAT CAMPGROUND | CA2202061 | California | Transient Non-Community | 100 |
| INDIAN FLAT R V PARK AND CAMPGROUND | CA2202048 | California | Transient Non-Community | 100 |
| FAY RANCH INC E H 2042 | CA3400323 | California | Transient Non-Community | 100 |
| SAN JUAN UNIFIED SCH DST | CA3400339 | California | Transient Non-Community | 100 |
| ALCO CENTER | AZ0413066 | California | Non-Transient Non-Community | 100 |
| ELMS MOBILE PARK | CA3301247 | California | Community | 100 |
| JEWEL FOOD STORE #3343 | IL3139063 | California | Transient Non-Community | 100 |
| FOLETTA RD WS #01**CLOSED** | CA2701057 | California | Transient Non-Community | 100 |
| La Jolla, Water Slide | 090605111 | California | Transient Non-Community | 100 |
| JOHN S ADOBE CLUB | CA2700938 | California | Transient Non-Community | 100 |
| DEL LOMA MUTUAL WATER SYSTEM | CA5300061 | California | Community | 100 |