How much wastewater does Petersburg Stp, City Of treat?

Petersburg Stp, City Of treats an average of 0.14 MGD and is permitted for a design flow of 1.25 MGD.

What treatment technology does Petersburg Stp, City Of use?

Klarifi has identified uncovered lagoons at the Petersburg facility.

What is the NPDES permit for Petersburg Stp, City Of?

The facility discharges under NPDES permit IL0022233, currently effective, expiring April 2028.

Is Petersburg Stp, City Of in compliance?

Discharge monitoring reports show 77 violations at Petersburg Stp, City Of in the last three years, 77 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Petersburg Stp, City Of and how do I contact them?

Petersburg Stp, City Of is a publicly owned treatment works in Petersburg, Illinois. Klarifi lists 2 verified decision-maker contacts for this facility, available with a free trial.

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Petersburg Stp, City Of

Petersburg, IL · Menard County · Publicly Owned Treatment Works

Average flow: 0.14 MGD

Design flow: 1.25 MGD

NPDES permit: IL0022233; Effective

Permit expires: April 2028

Population served: 2,960; CWNS 2022

Petersburg Stp, City Of is a publicly owned wastewater treatment works in Petersburg, Menard County, Illinois treating an average of 0.14 million gallons per day against a permitted design capacity of 1.25 MGD, serving about 2,960 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit IL0022233 (effective), which expires in April 2028, with 77 recorded violations in the last three years.

Treatment technology

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

Uncovered lagoons

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Compliance snapshot (last 3 years)

Total violations: 77

Effluent violations: 77

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

Key contacts

2 verified contacts for Petersburg Stp, City Of, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Petersburg Stp, City Of, plus the full compliance history and discharge data.

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Petersburg Stp, City Of: 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 September 11, 2026.

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