What is the address of Wapakoneta WWTP?

The address on the plant’s EPA facility record is 1 Herb St, Wapakoneta, OH 45895, in Auglaize County. Its coordinates are 40.5688, -84.2122. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Wapakoneta WWTP treat?

Wapakoneta WWTP treats an average of 4.58 MGD and is permitted for a design flow of 6 MGD.

What treatment technology does Wapakoneta WWTP use?

Klarifi has identified 3 treatment structures and unit processes at the Wapakoneta facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Wapakoneta WWTP?

The facility discharges under NPDES permit OH0027952, currently effective, expiring November 2029.

Is Wapakoneta WWTP in compliance?

Discharge monitoring reports show 254 violations at Wapakoneta WWTP in the last three years, 64 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Wapakoneta WWTP and how do I contact them?

Wapakoneta WWTP is a publicly owned treatment works in Wapakoneta, Ohio. Klarifi lists 16 verified decision-maker contacts for this facility, available with a free trial.

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Wapakoneta WWTP

1 Herb St, Wapakoneta, OH 45895 · Auglaize County · Publicly Owned Treatment Works

Average flow: 4.58 MGD

Design flow: 6 MGD

NPDES permit: OH0027952; Effective

Permit expires: November 2029

Population served: 9,840; CWNS 2022

Wapakoneta WWTP is a publicly owned wastewater treatment works in Wapakoneta, Auglaize County, Ohio treating an average of 4.58 million gallons per day against a permitted design capacity of 6 MGD, serving about 9,840 residents. It discharges under NPDES permit OH0027952 (effective), which expires in November 2029, with 254 recorded violations in the last three years.

Treatment technology

3 treatment structures and unit processes identified at Wapakoneta WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 254

Effluent violations: 64

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

16 verified contacts for Wapakoneta WWTP, with validated emails and direct phone numbers.

Unlock 16 verified contacts (13 more than shown)

Names, validated emails and direct phone numbers for decision-makers at Wapakoneta WWTP, plus the full compliance history and discharge data.

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Arrowhead Estates WWTP

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New Knoxville STP

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Cridersville Village

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Wapakoneta 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 3, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms

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