Defiance County, Ohio
SDWIS compliance plate
Sheet OH039 · Defiance County 25 sys · 2,077 viol · #1459/3254
VIOL-SEVERE · HEALTH-HIGH · RANK-MID · PHOTO-FINISH · PFAS-HIGH · SRC-GW · SYS-SMALL · BOOK-FULL
- VIOL-SEVERE 92.0% flagged
- HEALTH-HIGH 56.4% health
- RANK-MID #1459/3254
- PHOTO-FINISH ±0.1 pp
- PFAS-HIGH 50.0% detect
- SRC-GW GW lead 72%
- SYS-SMALL 25 systems
- BOOK-FULL 7/7 fields
Nearest flagged-rate peer: Montgomery County ( -0.1 pp flagged-rate)
According to EPA SDWIS county population served used on /counties, Defiance County ranks #1,459 of 3,254 counties by people served, and #68 of 88 counties in Ohio. See methodology · corpus placement.
Defiance County standing, lower-flagged corpus third
Flagged-system rate 92.0% is at or below the corpus lower third (≤ 92.7% flagged) across 2,973 counties with ≥3 SDWIS systems . Health-based share 56.4% is health-based share above the upper third (> 24.5%) . UCMR5 detect rate 50.0% is UCMR5 detect rate above the tested-pool upper third (> 33.3%) . Population served ranks #1,459 of 3,254 · #68 of 88 in Ohio.
Flagged-rate neighbourhood around Defiance County
Lowest/highest poles plus in-state counties nearest Defiance County on % of SDWIS systems with ≥1 violation. Full ladder: /counties.
Water Systems
| System Name | Population | Violations | PFAS |
|---|---|---|---|
| Defiance City | 16,494 | 386 | Detected |
| Hicksville Village | 3,600 | 43 | Clean |
| Ayersville Water and Sewer District | 1,660 | 167 | - |
| Ney Village | 854 | 15 | - |
| Sherwood Village | 854 | 45 | - |
| Brunersburg WD - Tinora | 850 | 28 | - |
| Brunersburg WD - Brunersburg | 500 | 115 | - |
| Christi Water System Inc | 483 | 167 | - |
| Brunersburg WD - Evansport | 268 | 212 | - |
| Rainbow Promise Childcare and Preschool | 263 | 24 | - |
| St Michael Catholic Church | 225 | 58 | - |
| Hickory Acres Campground | 207 | 3 | - |
| Shepherd Pasture Campground | 154 | 4 | - |
| Jewell Cafe | 150 | 59 | - |
| St John Lutheran Church-Sherwood | 150 | 8 | - |
| Bethlehem Lutheran Church | 145 | 121 | - |
| Independence Education Center | 130 | 162 | - |
| Hillandale Farms-Hicksville | 100 | 0 | - |
| Farmer Union Church | 60 | 101 | - |
| Magpies Family Restaurant LLC | 50 | 14 | - |
| Zion Lutheran Church - Edgerton | 45 | 92 | - |
| Brunersburg WD - Airport | 40 | 128 | - |
| Faith Baptist Church-Defiance | 40 | 71 | - |
| Power Dam Express | 35 | 54 | - |
| Willow Creek Market | 25 | 0 | - |
Compare beyond Ohio
Lower-flagged peers for Defiance County
Cross-state counties nearest Defiance County on flagged-system share (92.0%) and cumulative violation count (2,077). In-state neighbours stay on the compliance plate above.
Similar flagged-system rate
Nearest cross-state counties by % of SDWIS systems with at least one violation on record.
Similar violation load
Nearest cross-state counties by cumulative SDWIS violation count (all systems in the county).
Read our methodology · Check your water system - how this data is sourced, computed, and verified.
Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.