All water systems in California
7,380 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Silverwood Japanese Restaurant Sushi & G San Bernardino County |
25 | 1 | 0 | |
|
Sixmilebridge Winery San Luis Obispo County |
25 | 0 | 0 | |
|
Sjc Micke Grove Park San Joaquin County |
25 | 0 | 0 | |
|
Sjrp Owl Hollow Fresno County |
25 | 1 | 0 | |
|
Sky Park Properties Lake County |
25 | 0 | 0 | |
|
Slash X Ranch Cafe San Bernardino County |
25 | 1 | 0 | |
|
Socal Mobile Food Facility Colton · San Bernardino County |
25 | 0 | 0 | |
|
Somerset Dollar General El Dorado County |
25 | 0 | 0 | |
|
Sonoma West Holdings Industrial Park Sonoma County |
25 | 0 | 0 | |
|
Sonoma Wine Shop Sonoma County |
25 | 0 | 0 | |
|
South Fork Campground San Bernardino County |
25 | 1 | 0 | |
|
South Mesa Campground Imperial County |
25 | 0 | 0 | |
|
Southwest Transportation Agency Fresno County |
25 | 0 | 0 | |
|
Southwinds Church of Tracy San Joaquin County |
25 | 0 | 0 | |
|
Spence RD Cultivation WS Monterey County |
25 | 0 | 0 | |
|
Spence RD WS #05 Monterey County |
25 | 1 | 0 | |
|
SS Hert Trucking INC San Bernardino County |
25 | 0 | 0 | |
|
ST Michaels Water System San Joaquin County |
25 | 0 | 0 | |
|
St. Helena Purlieu LLC Napa County |
25 | 0 | 0 | |
|
Staglin Family Vineyard Napa County |
25 | 0 | 0 | |
|
State Ready Mix, Inc. Ventura · Ventura County |
25 | 1 | 1 | |
|
Stephens Ranch LLC Aqua Placer County |
25 | 0 | 0 | |
|
Stevens Motel Water System San Joaquin County |
25 | 0 | 0 | |
|
Stony Creek Lodge Tulare County |
25 | 0 | 0 | |
|
Summit Industrial Park Water System Kern County |
25 | 0 | 0 | |
|
Sun Pacific Shippers Delano Delano · Kern County |
25 | 1 | 1 | |
|
Sunset Drive-In Snack Bar San Luis Obispo County |
25 | 0 | 0 | |
|
Sunset West Mutual Water Company Amador County |
25 | 2 | 1 | |
|
Super Y Market and Villa Monte Motel Lassen County |
25 | 0 | 0 | |
|
Swanton Berry Farm Santa Cruz County |
25 | 1 | 0 | |
|
Swiss Holiday Lodge Siskiyou County |
25 | 0 | 0 | |
|
San Miguel Cbp Cbp Agents, Residents & Detainees · County |
25 | 1 | 0 | |
|
T&p Farms Colusa County |
25 | 0 | 0 | |
|
Taber Ranch Event Center & Vineyard Yolo County |
25 | 1 | 0 | |
|
Tecate Supermarket San Diego County |
25 | 0 | 0 | |
|
Tehama Co.-Cone Grove Park Tehama County |
25 | 0 | 0 | |
|
Tehama Co.-Mill Creek Park Tehama County |
25 | 0 | 0 | |
|
Tehama Co.-Ridgeway Park Tehama County |
25 | 0 | 0 | |
|
Tehama Co.-River Park Tehama County |
25 | 0 | 0 | |
|
Tess Farm Market Brentwood · Contra Costa County |
25 | 0 | 0 | |
|
The Barrel Chai Napa County |
25 | 0 | 0 | |
|
The High Adobe San Bernardino County |
25 | 0 | 0 | |
|
The Inn at Shasta Lake Shasta County |
25 | 0 | 0 | |
|
The Maples Yolo County |
25 | 1 | 0 | |
|
The Mark Lassen County |
25 | 0 | 0 | |
|
The Oney Frosty in Town Modoc County |
25 | 0 | 0 | |
|
Thomas George Estates Winery Sonoma County |
25 | 0 | 0 | |
|
Three Brothers Travel Plaza Lake County |
25 | 0 | 0 | |
|
Three Crowns Association Fresno County |
25 | 1 | 1 | |
|
Three Rivers Historical Museum Tulare County |
25 | 0 | 0 |
About this data
Rules violated counts the rules a system was in violation of in the past three years, including monitoring and reporting lapses; one rule can carry several violations. Unresolved is the number of those rules still in violation at EPA's latest data refresh.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The California records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.