What is the address of Leoni Twp WWTP?

The address on the plant’s EPA facility record is 8401 Page Avenue, Michigan Center, MI 49254, in Jackson County. Its coordinates are 42.2303, -84.2628. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Leoni Twp WWTP treat?

Leoni Twp WWTP treats an average of 1.88 MGD.

What treatment technology does Leoni Twp WWTP use?

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

What is the NPDES permit for Leoni Twp WWTP?

The facility discharges under NPDES permit MI0045942, currently effective, expiring October 2028.

Is Leoni Twp WWTP in compliance?

Discharge monitoring reports show 1 violation at Leoni Twp WWTP in the last three years, 1 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Leoni Twp WWTP and how do I contact them?

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

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Leoni Twp WWTP

8401 Page Avenue, Michigan Center, MI 49254 · Jackson County · Publicly Owned Treatment Works

Average flow: 1.88 MGD

Design flow: —

NPDES permit: MI0045942; Effective

Permit expires: October 2028

Population served: 55,668; CWNS 2022

Leoni Twp WWTP is a publicly owned wastewater treatment works in Michigan Center, Jackson County, Michigan treating an average of 1.88 million gallons per day, serving about 55,668 residents. It discharges under NPDES permit MI0045942 (effective), which expires in October 2028, with 1 recorded violation in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Leoni Twp WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 1

Effluent violations: 1

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

Key contacts

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

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

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Nearby wastewater treatment plants in Michigan

Jackson WWTP

Jackson · 8 mi away

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Manchester WWTP

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Chelsea WWTP

Chelsea · 14 mi away

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Lenawee Cdc-Wamplers Lk Wwsl

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Parma Wwsl

Parma · 17 mi away

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Leslie WWTP

Leslie · 17 mi away

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Onsted WWTP

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—

Lenawee Cdc-Loch Erin WWTP

Onsted · 18 mi away

0.96 MGD

Leoni Twp 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 April 4, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms

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