Water quality in Defiance, Ohio
Defiance is in Defiance County. 24 active public water systems serve the county; 9 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 Defiance County
8 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Brunersburg WD Brunersburg PWS |
500 | 0 | 2.3 mi | |
| Christi Water System INC |
483 | 1 | 3.1 mi | |
| Ayersville Water and Sewer District |
2,372 | 1 | 3.8 mi | |
| Brunersburg WD Airport PWS |
40 | 0 | 4.7 mi | |
| Sherwood Village |
811 | 1 | 9.8 mi | |
| Ney Village |
854 | 2 | 10.6 mi | |
| Brunersburg WD Evansport PWS |
268 | 1 | 12.3 mi | |
| Hicksville Village |
3,600 | 5 | 20.8 mi |
Non-community systems in Defiance County (15: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Rainbow Promise Childcare and Preschool |
263 | 0 | 0 | |
|
Faith Baptist Church-Defiance |
40 | 0 | 0 | |
|
Power Dam Express |
35 | 1 | 1 | |
|
Brunersburg WD Tinora PWS |
859 | 0 | 0 | |
|
Independence Education Center |
130 | 1 | 0 | |
|
Shepherd's Pasture Campground |
154 | 0 | 0 | |
|
Bethlehem Lutheran Church |
145 | 0 | 0 | |
|
ST John Lutheran Church-Sherwood |
150 | 0 | 0 | |
|
Hillandale Farms-Hicksville |
100 | 0 | 0 | |
|
Zion Lutheran Church Edgerton |
45 | 0 | 0 | |
|
Magpies Family Restaurant LLC PWS |
50 | 0 | 0 | |
|
Willow Creek Market |
25 | 0 | 0 | |
|
ST Michael Catholic Church |
225 | 0 | 0 | |
|
Hickory Acres Campground |
200 | 0 | 0 | |
|
Farmer Union Church |
60 | 0 | 0 |
About this data
Water systems are matched to Defiance County, nearest to Defiance 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.
Town locations and ZIP code areas come from U.S. Census Bureau 2020 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 Ohio 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.