Defiance Water Pollution Control Plant

The address on the plant’s EPA facility record is 26273 State Route 281, Defiance, OH 43512, in Defiance County. Its coordinates are 41.2904, -84.3157. For some plants the record holds the utility’s mailing address rather than the plant gate.

Defiance Water Pollution Control Plant treats an average of 2.87 MGD and is permitted for a design flow of 12 MGD.

EPA's enforcement records list 1 formal civil enforcement case naming Defiance Water Pollution Control Plant, 1 since fiscal year 2020. The latest case reached its current status in May 2026 (administrative order, final order no penalty). The full case history, with milestones, violation types and EPA's case summaries, is shown in Klarifi with a free account.

Klarifi has identified 4 treatment structures and unit processes at the Defiance facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

The facility discharges under NPDES permit OH0024899, currently effective, expiring February 2029.

Discharge monitoring reports show 28 violations at Defiance Water Pollution Control Plant in the last three years, 16 of them effluent limit exceedances. The full history is available in Klarifi.

Defiance Water Pollution Control Plant is a publicly owned treatment works in Defiance, Ohio. Klarifi lists 2 verified decision-maker contacts for this facility, available with a free trial.