Dunkirk WWTP
Dunkirk, IN · Jay County · Publicly Owned Treatment Works
- Average flow
- 0.47 MGD
- Design flow
- 0.7 MGD
- NPDES permit
- IN0021491
- Effective
- Permit expires
- December 2028
- Population served
- 2,164
- CWNS 2022
Dunkirk WWTP is a publicly owned wastewater treatment works in Dunkirk, Jay County, Indiana treating an average of 0.47 million gallons per day against a permitted design capacity of 0.7 MGD, serving about 2,164 residents. Treatment on site includes clarifiers, uncovered lagoons. It discharges under NPDES permit IN0021491 (effective), which expires in December 2028, with 60 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 60
- Effluent violations
- 58
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Dunkirk WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
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 Indiana
Redkey · 4 mi away
0.16 MGD
Albany · 6 mi away
0.15 MGD
Eaton · 8 mi away
0.12 MGD
Pennville · 9 mi away
0.05 MGD
Hartford City · 9 mi away
0.84 MGD
Hartford City · 11 mi away
0.01 MGD
Ridgeville · 12 mi away
0.05 MGD
Portland · 12 mi away
0.88 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 August 18, 2026.