What is the address of Dunkirk WWTP?

The address on the plant’s EPA facility record is 8189 E Cr 499S, Dunkirk, IN 47336, in Jay County. Its coordinates are 40.3807, -85.2198. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Dunkirk WWTP treat?

Dunkirk WWTP treats an average of 0.47 MGD and is permitted for a design flow of 0.7 MGD.

What treatment technology does Dunkirk WWTP use?

Klarifi has identified 2 treatment structures and unit processes at the Dunkirk facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Dunkirk WWTP?

The facility discharges under NPDES permit IN0021491, currently effective, expiring December 2028.

Is Dunkirk WWTP in compliance?

Discharge monitoring reports show 59 violations at Dunkirk WWTP in the last three years, 57 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Dunkirk WWTP and how do I contact them?

Dunkirk WWTP is a publicly owned treatment works in Dunkirk, Indiana. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Dunkirk WWTP

8189 E Cr 499S, Dunkirk, IN 47336 · 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. It discharges under NPDES permit IN0021491 (effective), which expires in December 2028, with 59 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Dunkirk WWTP.

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See the full treatment train at Dunkirk WWTP: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 59

Effluent violations: 57

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.

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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.

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Nearby wastewater treatment plants in Indiana

Redkey WWTP

Redkey · 4 mi away

0.21 MGD

Albany WWTP

Albany · 6 mi away

0.36 MGD

Eaton WWTP

Eaton · 8 mi away

0.2 MGD

Pennville WWTP

Pennville · 9 mi away

0.06 MGD

Hartford City WWTP

Hartford City · 9 mi away

1.18 MGD

Shamrock Lakes WWTP

Hartford City · 11 mi away

0.01 MGD

Ridgeville WWTP

Ridgeville · 12 mi away

0.09 MGD

Portland WWTP

Portland · 12 mi away

1.5 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 October 26, 2026; facility record last updated August 18, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms

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