What is the address of Bunker Hill Stp, City Of?

The address on the plant’s EPA facility record is Alton Street, Bunker Hill, IL 62014, in Macoupin County. Its coordinates are 39.0297, -89.9568. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Bunker Hill Stp, City Of treat?

Bunker Hill Stp, City Of treats an average of 0.27 MGD and is permitted for a design flow of 0.56 MGD.

What treatment technology does Bunker Hill Stp, City Of use?

Klarifi has identified one treatment structure or unit process at the Bunker Hill facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Bunker Hill Stp, City Of?

The facility discharges under NPDES permit ILG580154, currently effective, expiring May 2027.

Is Bunker Hill Stp, City Of in compliance?

Discharge monitoring reports show no violations at Bunker Hill Stp, City Of in the last three years.

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

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

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Bunker Hill Stp, City Of

Alton Street, Bunker Hill, IL 62014 · Macoupin County · Publicly Owned Treatment Works

Average flow: 0.27 MGD

Design flow: 0.56 MGD

NPDES permit: ILG580154; Effective

Permit expires: May 2027

Population served: 1,675; CWNS 2022

Bunker Hill Stp, City Of is a publicly owned wastewater treatment works in Bunker Hill, Macoupin County, Illinois treating an average of 0.27 million gallons per day against a permitted design capacity of 0.56 MGD, serving about 1,675 residents. It discharges under NPDES permit ILG580154 (effective), which expires in May 2027, with 0 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Bunker Hill Stp, City Of.

Available with a free Klarifi account

See the full treatment train at Bunker Hill Stp, City Of: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 0

Effluent violations: 0

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

Key contacts

Decision-makers at Bunker Hill Stp, City Of.

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Bunker Hill 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 October 26, 2026; facility record last updated September 14, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms

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