What is the address of Carterville Stp, City Of?

The address on the plant’s EPA facility record is Elles Avenue, Carterville, IL 62918, in Williamson County. Its coordinates are 37.7529, -89.0856. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Carterville Stp, City Of treat?

Carterville Stp, City Of treats an average of 0.49 MGD and is permitted for a design flow of 1.05 MGD.

What treatment technology does Carterville Stp, City Of use?

Klarifi has identified 3 treatment structures and unit processes at the Carterville facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

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

The facility discharges under NPDES permit IL0025178, currently effective, expiring July 2029.

Is Carterville Stp, City Of in compliance?

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

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

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

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Carterville Stp, City Of

Elles Avenue, Carterville, IL 62918 · Williamson County · Publicly Owned Treatment Works

Average flow: 0.49 MGD

Design flow: 1.05 MGD

NPDES permit: IL0025178; Effective

Permit expires: July 2029

Population served: 5,848; CWNS 2022

Carterville Stp, City Of is a publicly owned wastewater treatment works in Carterville, Williamson County, Illinois treating an average of 0.49 million gallons per day against a permitted design capacity of 1.05 MGD, serving about 5,848 residents. It discharges under NPDES permit IL0025178 (effective), which expires in July 2029, with 0 recorded violations in the last three years.

Treatment technology

3 treatment structures and unit processes identified at Carterville Stp, City Of.

Available with a free Klarifi account

See the full treatment train at Carterville 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 Carterville Stp, City Of.

No verified contacts on file yet

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Nearby wastewater treatment plants in Illinois

Crainville Stp, Village Of

Carterville · 1 mi away

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Energy Stp, Village Of

Energy · 3 mi away

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Cambria Stp, Village Of

Cambria · 3 mi away

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Colp Stp, Village Of

Colp · 3 mi away

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Herrin Stp, City Of

Herrin · 5 mi away

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Hurst Stp, City Of

Hurst · 5 mi away

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Royalton Stp, Village Of

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Desoto Stp, Village Of

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Carterville 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 25, 2026.

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

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