All water systems in California
13 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Napa-Berryessa Resort Napa County |
1,150 | 1 | 1 | |
|
Napa Pipe Redevelopment Partners Napa County |
650 | 0 | 0 | |
|
Napa Mobil Manor Napa County |
255 | 0 | 0 | |
|
Napa Valley State Park Napa County |
200 | 0 | 0 | |
|
Napa-Solano Girl Scouts Napa County |
150 | 0 | 0 | |
|
Homestake Mining Company-Napa County Napa County |
60 | 0 | 0 | |
|
Sunrise Montessori of Napa County |
60 | 0 | 0 | |
|
Napa County Animal Shelter Napa County |
55 | 0 | 0 | |
|
Napa Valley Farm and Ranch Com Napa County |
30 | 0 | 0 | |
|
Napa County Maintenance Yard Napa County |
25 | 0 | 0 | |
|
Napa CO Maintenance Yard Napa County |
20 | 0 | 0 | |
|
Napa State Hospital-Camp Coombs Napa County |
15 | 0 | 0 | |
|
Napa Valley Vineyard CO Napa County |
1 | 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 currently 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.