Dunkirk Water Filtration Plant
Dunkirk, NY · Chautauqua County · Publicly Owned Treatment Works
- Average flow
- 1.2 MGD
- Design flow
- 3.3 MGD
- NPDES permit
- NY0026409
- Administratively continued
- Permit expires
- March 2018
- Population served
- 13,361
- CWNS 2022
Dunkirk Water Filtration Plant is a publicly owned wastewater treatment plant in Dunkirk, Chautauqua County, New York treating an average of 1.2 million gallons per day against a permitted design capacity of 3.3 MGD, serving about 13,361 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit NY0026409 (administratively continued), which expires in March 2018, with 10 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 10
- Effluent violations
- 10
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Dunkirk Water Filtration Plant.
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Nearby wastewater treatment plants in New York
Dunkirk · 2 mi away
—
Brocton · 8 mi away
0.13 MGD
Silver Creek · 10 mi away
0.28 MGD
Irving · 13 mi away
0.17 MGD
Westfield · 16 mi away
0.71 MGD
Dayton · 17 mi away
0.02 MGD
Cherry Creek · 19 mi away
0.01 MGD
Mayville · 19 mi away
0.17 MGD
Dunkirk Water Filtration Plant: 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.