What is the address of Eaton WWTP?

The address on the plant’s EPA facility record is 901 S Barron St, Eaton, OH 45320, in Preble County. Its coordinates are 39.7328, -84.6353. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Eaton WWTP treat?

Eaton WWTP treats an average of 1.53 MGD and is permitted for a design flow of 1.9 MGD.

What treatment technology does Eaton WWTP use?

Klarifi has identified 12 treatment structures and unit processes at the Eaton facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Eaton WWTP?

The facility discharges under NPDES permit OH0020907, currently expired, expiring January 2026.

Is Eaton WWTP in compliance?

Discharge monitoring reports show 20 violations at Eaton WWTP in the last three years, 2 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Eaton WWTP and how do I contact them?

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

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Eaton WWTP

901 S Barron St, Eaton, OH 45320 · Preble County · Publicly Owned Treatment Works

Average flow: 1.53 MGD

Design flow: 1.9 MGD

NPDES permit: OH0020907; Expired

Permit expires: January 2026

Population served: 8,310; CWNS 2022

Eaton WWTP is a publicly owned wastewater treatment works in Eaton, Preble County, Ohio treating an average of 1.53 million gallons per day against a permitted design capacity of 1.9 MGD, serving about 8,310 residents. It discharges under NPDES permit OH0020907 (expired), which expires in January 2026, with 20 recorded violations in the last three years.

Treatment technology

12 treatment structures and unit processes identified, 1 planned upgrade on record at Eaton WWTP.

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

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Compliance snapshot (last 3 years)

Total violations: 20

Effluent violations: 2

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

Key contacts

1 verified contact for Eaton WWTP, with validated emails and direct phone numbers.

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

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Nearby wastewater treatment plants in Ohio

Lakengren Water Authority

Eaton · 5 mi away

0.35 MGD

West Alexandria WWTP

W Alexandria · 6 mi away

0.18 MGD

Camden WWTP

Camden · 8 mi away

0.19 MGD

Gratis WWTP

Gratis · 8 mi away

0.09 MGD

Odot Parks 8-39 And 8-40 WWTP

Jefferson Twp. · 9 mi away

0.0056 MGD

Lewisburg WWTP

Lewisburg · 10 mi away

0.2 MGD

West Manchester WWTP

West Manchester · 12 mi away

0.03 MGD

Eldorado WWTP

Eldorado · 12 mi away

0.03 MGD

Eaton 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 February 28, 2025.

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

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