How much wastewater does Ishpeming Area WWTP treat?

Ishpeming Area WWTP treats an average of 1.09 MGD.

What treatment technology does Ishpeming Area WWTP use?

Klarifi has identified biogas balloons at the Ishpeming facility.

What is the NPDES permit for Ishpeming Area WWTP?

The facility discharges under NPDES permit MI0044423, currently effective, expiring October 2028.

Is Ishpeming Area WWTP in compliance?

Discharge monitoring reports show 64 violations at Ishpeming Area WWTP in the last three years, 13 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Ishpeming Area WWTP and how do I contact them?

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

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Ishpeming Area WWTP

Ishpeming, MI · Marquette County · Publicly Owned Treatment Works

Average flow: 1.09 MGD

Design flow: —

NPDES permit: MI0044423; Effective

Permit expires: October 2028

Population served: 6,814; CWNS 2022

Ishpeming Area WWTP is a publicly owned wastewater treatment works in Ishpeming, Marquette County, Michigan treating an average of 1.09 million gallons per day, serving about 6,814 residents. Treatment on site includes biogas balloons. It discharges under NPDES permit MI0044423 (effective), which expires in October 2028, with 64 recorded violations in the last three years.

Treatment technology

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

Biogas balloons

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Compliance snapshot (last 3 years)

Total violations: 64

Effluent violations: 13

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

Key contacts

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

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

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Ishpeming Area 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 March 6, 2025.

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