What is the address of Casey - Northeast Stp, City Of?

The address on the plant’s EPA facility record is 108 East Main Street, Casey, IL 62420, in Clark County. Its coordinates are 39.2954, -87.9760. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Casey - Northeast Stp, City Of treat?

Casey - Northeast Stp, City Of treats an average of 0.47 MGD and is permitted for a design flow of 1.5 MGD.

What treatment technology does Casey - Northeast Stp, City Of use?

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

What is the NPDES permit for Casey - Northeast Stp, City Of?

The facility discharges under NPDES permit IL0035084, currently effective, expiring January 2031.

Is Casey - Northeast Stp, City Of in compliance?

Discharge monitoring reports show 1 violation at Casey - Northeast Stp, City Of in the last three years, 1 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Casey - Northeast Stp, City Of and how do I contact them?

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

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Casey - Northeast Stp, City Of

108 East Main Street, Casey, IL 62420 · Clark County · Publicly Owned Treatment Works

Average flow: 0.47 MGD

Design flow: 1.5 MGD

NPDES permit: IL0035084; Effective

Permit expires: January 2031

Population served: —; CWNS 2022

Casey - Northeast Stp, City Of is a publicly owned wastewater treatment works in Casey, Clark County, Illinois treating an average of 0.47 million gallons per day against a permitted design capacity of 1.5 MGD. It discharges under NPDES permit IL0035084 (effective), which expires in January 2031, with 1 recorded violation in the last three years.

Treatment technology

3 treatment structures and unit processes identified at Casey - Northeast Stp, City Of.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 1

Effluent violations: 1

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

Key contacts

2 verified contacts for Casey - Northeast 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 Casey - Northeast Stp, City Of, plus the full compliance history and discharge data.

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Hutsonville STP

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Hutsonville WWTP

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Casey - Northeast 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 November 28, 2025.

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

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