Dunkirk WWTP
Dunkirk, OH · Hardin County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.14 MGD
- NPDES permit
- OH0048321
- Effective
- Permit expires
- October 2028
- Population served
- 917
- CWNS 2022
Dunkirk WWTP is a publicly owned wastewater treatment works in Dunkirk, Hardin County, Ohio, serving about 917 residents. Treatment on site includes aerated lagoons. It discharges under NPDES permit OH0048321 (effective), which expires in October 2028, with 1 recorded violation in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Aerated lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Dunkirk WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Dunkirk WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Dola · 2 mi away
0.0012 MGD
Forest · 6 mi away
0.09 MGD
Arlington · 8 mi away
0.1 MGD
Mt Blanchard · 8 mi away
—
Ada · 9 mi away
0.49 MGD
Mcguffey · 10 mi away
0.03 MGD
Kenton · 11 mi away
2.3 MGD
Alger · 13 mi away
0.03 MGD
Dunkirk WWTP: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed September 11, 2026; facility record last updated November 8, 2025.