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Freeburg West Stp, Village Of

5516 Willow Springs Lane, Freeburg, IL 62243 · St. Clair County · Publicly Owned Treatment Works

Average flow
0.33 MGD
Design flow
1 MGD
NPDES permit
IL0032310
Effective
Permit expires
February 2029
Population served
2,426
CWNS 2022

Freeburg West Stp, Village Of is a publicly owned wastewater treatment works in Freeburg, St. Clair County, Illinois treating an average of 0.33 million gallons per day against a permitted design capacity of 1 MGD, serving about 2,426 residents. It discharges under NPDES permit IL0032310 (effective), which expires in February 2029, with 54 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in February 2026.

Treatment technology

One treatment structure or unit process identified at Freeburg West Stp, Village Of.

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See the full treatment train at Freeburg West Stp, Village Of: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations
54
Effluent violations
12

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

EPA enforcement history

Federal civil enforcement cases, compliance inspections and informal actions recorded for Freeburg West Stp, Village Of in EPA's ICIS system.

Formal actions
1
1 since FY2020
Compliance actions
$13M
required by EPA orders
EPA inspections
0
none on record

Latest case · Feb 2026

Village of Freeburg West STP AOC

Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty · Compliance actions $13M

EPA's description of the case:

“AOC for alleged CWA violations”

Source: EPA ECHO, civil enforcement case 05-2022-0315.

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Every action against Freeburg West Stp, Village Of with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.

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Key contacts

1 verified contact for Freeburg West Stp, Village Of, with validated emails and direct phone numbers.

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

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Nearby wastewater treatment plants in Illinois

Freeburg East Stp, Village Of

Freeburg · 2 mi away

0.14 MGD

Smithton Stp, Village Of

Smithton · 3 mi away

0.37 MGD

1.08 MGD

Mascoutah, City Of

Mascoutah · 7 mi away

1.04 MGD

Fayetteville STP

Fayetteville · 8 mi away

0.04 MGD

Swansea Stp, Village Of

Swansea · 8 mi away

1.81 MGD

Hecker Stw, Village Of

Hecker · 9 mi away

0.0051 MGD

Millstadt Stp, Village Of

Millstadt · 9 mi away

0.34 MGD

Freeburg West Stp, Village 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 7, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms


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