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Environmental compliance · county

Environmental compliance in St. Clair County

1,027 active EPA-regulated sites in St. Clair County, Illinois: 75 with an identified violation, 30 in significant violation, 225 inspections and $6.2 million in penalties over five years — EPA ECHO, as of October 18, 2026.

Cite: FACTANKER, https://factanker.com/us/il/st-clair-county/environmental-compliance

How many facilities in St. Clair County, Illinois are regulated by the EPA, and how many are in violation (as of October 18, 2026)?

MeasureValue
Active EPA-regulated sites1,027
Sites with an identified violation75
Sites in significant violation30
Inspections and evaluations, last 5 years225
Formal enforcement actions, last 5 years59
Penalties, last 5 years (shared federal cases once)$6.2 million

How many active facilities in St. Clair County, Illinois fall under each EPA program?

A facility can be in several programs.

ProgramActive sites
Air (Clean Air Act)354
Water discharge permits (Clean Water Act, NPDES)386
Hazardous waste (RCRA)396
Drinking water systems (SDWA)41
Toxics Release Inventory reporters19
Greenhouse gas reporters (GHGRP)6

Which large facilities in St. Clair County, Illinois does the EPA track, and are they in violation?

FacilityCompliance statusQuarters in violation (of 12)Penalties, 5 years
CERRO FLOW PRODUCTS LLC
Sauget, IL
Significant Violation12–
BELLEVILLE WASTEWATER TREATMENT FACILITY
Belleville, IL
Significant Violation7–
VEOLIA ES TECHNICAL SOLUTIONS LLC
Sauget, IL
Significant Violation5–
FLEXSYS W.G. KRUMMRICH PLANT
Sauget, IL
Significant Violation4–
ALLNEX USA INC
East St. Louis, IL
Violation Identified12–
JET ENTERPRISES & HOLDING CO LLC
Sauget, IL
Violation12–
SAUGET VILLAGE OF AMERICAN BOTTOMS WWTF
Sauget, IL
Violation Identified11–
STOOKEY TOWNSHIP MAIN STP
Belleville, IL
Violation Identified11–
MILAM RECYCLING & DISPOSAL - LANDFILL
East St Louis, IL
Violation Identified6–
CASEYVILLE TOWNSHIP EAST STP
O Fallon, IL
Violation Identified4–
ST. CLAIR TOWNSHIP LINCOLNSHIRE STP
Belleville, IL
Violation Identified4–
WATCO TRANSLOADING, LLC
Sauget, IL
No Violation Identified4–
AFTON CHEMICAL CORPORATION
Sauget, IL
Violation Identified3$63,065
SWANSEA STP, VILLAGE OF
Swansea, IL
No Violation Identified3–
CUSTOM MARBLE INC
Millstadt, IL
Violation Identified2–
O FALLON STP
O Fallon, IL
No Violation Identified2–
OLDCASTLE LAWN & GARDEN
Sauget, IL
No Violation Identified1–
PHILLIPS 66 PIPELINE LLC
Cahokia, IL
No Violation Identified1–
SAFETY-KLEEN CORPORATION - CASEYVILLE
Caseyville, IL
No Violation Identified1–
SAUGET VILLAGE OF AMERICAN BOTTOMS WWTF
Sauget, IL
Violation Identified1–
BOEING CO
Mascoutah, IL
No Violation Identified0–
ECOLAB INC
Freeburg, IL
No Violation Identified0–
VILLAGE OF FREEBURG
Freeburg, IL
No Violation Identified0–
WM COTTONWOOD HILLS RECYCLING & DISPOSAL - LANDFILL
Marissa, IL
No Violation Identified0–

All figures for St. Clair County · Illinois · United States

EPA Enforcement and Compliance History Online (ECHO), weekly national export. Counts cover active sites in the Facility Registry Service; inspections, formal actions and penalties cover the last five years, quarters in violation the last three years. The EPA attributes a case that covers several facilities to each of them; area penalty totals here count an amount shared through the same federal case once, facility figures show the amount attributed to that facility. Large facilities are Clean Air Act majors, Clean Water Act majors and large hazardous waste generators or handlers. Source record.

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