Water quality for ZIP code 95937
ZIP 95937 covers Dunnigan in Yolo County, California, one of 18 ZIP codes in the county. 88 active public water systems serve the county; 32 had an EPA violation in the past three years.
Most likely your provider
Your location is within the outer bounds of this system's EPA service area.
Other community water systems in Yolo County
15 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Campers Inn RV & Golf Course |
95 | 1 | 1.4 mi | |
| Bonfire Village Hotel |
25 | 1 | 2.6 mi | |
| Esparto C.s.d. |
3,572 | 0 | 13.2 mi | |
| Madison Service Dist |
876 | 8 | 14.3 mi | |
| Cacheville Service Dist |
239 | 8 | 14.6 mi | |
| Wild Wings Golf Community |
1,115 | 0 | 15.8 mi | |
| Knights Landing Svc. Dist. |
1,099 | 1 | 16.1 mi | |
| Woodland-Davis Clean Water Agency Woodland |
0 | 0 | 18.1 mi | |
| City of Woodland Woodland |
61,462 | 0 | 20.0 mi | |
| Rolling Acres Mutual Water Company |
40 | 0 | 23.1 mi | |
| Yolo CO Housing Authority-El Rio Villa |
432 | 0 | 24.5 mi | |
| City of Winters Winters |
7,115 | 0 | 24.8 mi | |
| City of Davis Davis |
67,826 | 0 | 27.0 mi | |
| UC Davis |
13,177 | 1 | 27.1 mi | |
| City of West Sacramento West Sacramento |
55,991 | 1 | 32.3 mi |
Non-community systems in Yolo County (72: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
About this data
Water systems are matched to Yolo County, the county this ZIP code lies in, nearest to the ZIP code's centre first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system or, for systems without one, to the centre of the first town EPA lists the system as serving, from Census Bureau place files.
ZIP code areas and town boundaries come from the U.S. Census Bureau's 2020 ZCTA files.
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.