County page
Warren County
Warren County currently shows 0 Superfund sites, 23 imported facility profiles, and 10 lbs in loaded TRI releases.
Overview
What this county page is saying
This live county page is generated from the ingested EPA datasets. It merges ECHO facility compliance rows, TRI release totals, and any Superfund sites attached to Warren County.
The latest loaded TRI year is 2024, with 10 lbs in county-level on-site releases tied to the imported facility set.
Focus points
Design and product notes
County pages combine facility compliance history with chemical release totals.
TRI chemistry shows what is being reported, while ECHO shows who keeps drawing enforcement attention.
Superfund records add legacy cleanup context even when live contaminant detail is still sparse.
Superfund layer
Cleanup sites in this county
Facilities
Worst polluters and compliance pressure
Mill Creek Mining Inc
Significant Violation across 12 of the last 12 quarters, with $16,200 in recorded penalties.
Group Materials Inc
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
Monmouth Ready Mix Corp
Violation Identified across 12 of the last 12 quarters in the imported ECHO record.
United School District 304
Significant Violation across 12 of the last 12 quarters in the imported ECHO record.
Emmitt Hanley Private Sewage Disposal System
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Monsanto Ag Products Co
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
Western Illinois Nature Group
Significant Violation across 11 of the last 12 quarters in the imported ECHO record.
Youngs Lake
Violation Identified across 11 of the last 12 quarters in the imported ECHO record.
United Intermediate School Stp
Significant Violation across 10 of the last 12 quarters in the imported ECHO record.
Hickory Grove Lake Company
Significant noncompliance across 10 of the last 12 quarters in the imported ECHO record.
City of Monmouth
Violation Identified across 9 of the last 12 quarters in the imported ECHO record.
Alexis
Violation Identified across 9 of the last 12 quarters in the imported ECHO record.
Coldbrook Christian Church
Violation Identified across 7 of the last 12 quarters in the imported ECHO record.
Monmouth Main Stp
Significant noncompliance across 5 of the last 12 quarters in the imported ECHO record.
Little York
Violation Identified across 4 of the last 12 quarters in the imported ECHO record.
United School District 304
Significant noncompliance across 4 of the last 12 quarters in the imported ECHO record.
Roseville Stp, Village of
No Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Kirkwood
Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Little Swan Lake Sd-tp02 - Treatment Plant
Violation Identified across 2 of the last 12 quarters in the imported ECHO record.
Smithfield Fresh Meats Corp
No Violation Identified. Last recorded ECHO inspection: 2026-02-19.
| Chemical | Group | Facilities | Total pounds |
|---|---|---|---|
| Ammonia | TRI-listed chemical | 1 | 10 lbs |
Violation pages
State-level violation context tied to this county
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Clean Air Act violations in Illinois
Illinois facilities in the imported ECHO data show air-program oversight, inspections, or noncompliance signals.
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Clean Water Act violations in Illinois
Illinois facilities in the imported ECHO data show water-permit pressure, inspections, or noncompliance signals.
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RCRA violations in Illinois
Illinois facilities in the imported ECHO data show hazardous-waste or RCRA oversight signals.