How much wastewater does Ludington WWTP treat?

Ludington WWTP treats an average of 1.51 MGD.

What treatment technology does Ludington WWTP use?

Klarifi has identified aerated lagoons, uncovered lagoons at the Ludington facility.

What is the NPDES permit for Ludington WWTP?

The facility discharges under NPDES permit MI0021334, currently administratively continued, expiring October 2025.

Is Ludington WWTP in compliance?

Discharge monitoring reports show 30 violations at Ludington WWTP in the last three years, 10 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Ludington WWTP and how do I contact them?

Ludington WWTP is a publicly owned treatment works in Ludington, Michigan. Klarifi lists 3 verified decision-maker contacts for this facility, available with a free trial.

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Ludington WWTP

Ludington, MI · Mason County · Publicly Owned Treatment Works

Average flow: 1.51 MGD

Design flow: —

NPDES permit: MI0021334; Administratively continued

Permit expires: October 2025

Population served: 8,809; CWNS 2022

Ludington WWTP is a publicly owned wastewater treatment works in Ludington, Mason County, Michigan treating an average of 1.51 million gallons per day, serving about 8,809 residents. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit MI0021334 (administratively continued), which expires in October 2025, with 30 recorded violations in the last three years.

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Aerated lagoons

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Uncovered lagoons

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Compliance snapshot (last 3 years)

Total violations: 30

Effluent violations: 10

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

Key contacts

3 verified contacts for Ludington WWTP, with validated emails and direct phone numbers.

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

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Ludington 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 September 11, 2026; facility record last updated January 27, 2025.

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