What is the address of New Knoxville STP?

The address on the plant’s EPA facility record is 500 Industrial Dr, New Knoxville, OH 45871, in Auglaize County. Its coordinates are 40.5047, -84.3048. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does New Knoxville STP treat?

New Knoxville STP treats an average of 0.26 MGD and is permitted for a design flow of 0.35 MGD.

What treatment technology does New Knoxville STP use?

Klarifi has identified one treatment structure or unit process at the New Knoxville facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for New Knoxville STP?

The facility discharges under NPDES permit OH0053635, currently effective, expiring July 2029.

Is New Knoxville STP in compliance?

Discharge monitoring reports show 8 violations at New Knoxville STP in the last three years, 8 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates New Knoxville STP and how do I contact them?

New Knoxville STP is a publicly owned treatment works in New Knoxville, Ohio. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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New Knoxville STP

500 Industrial Dr, New Knoxville, OH 45871 · Auglaize County · Publicly Owned Treatment Works

Average flow: 0.26 MGD

Design flow: 0.35 MGD

NPDES permit: OH0053635; Effective

Permit expires: July 2029

Population served: 946; CWNS 2022

New Knoxville STP is a publicly owned wastewater treatment works in New Knoxville, Auglaize County, Ohio treating an average of 0.26 million gallons per day against a permitted design capacity of 0.35 MGD, serving about 946 residents. It discharges under NPDES permit OH0053635 (effective), which expires in July 2029, with 8 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at New Knoxville STP.

Available with a free Klarifi account

See the full treatment train at New Knoxville STP: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 8

Effluent violations: 8

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

Key contacts

1 verified contact for New Knoxville STP, with validated emails and direct phone numbers.

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

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Nearby wastewater treatment plants in Ohio

Sharlon Subdiv

New Knoxville · 2 mi away

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New Bremen WWTP

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Beverly Hills Subdiv

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Odot Rest Area 7-33

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New Knoxville STP: 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 April 6, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms

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