Environmental compliance · county

Environmental compliance in McHenry County

1,121 active EPA-regulated sites in McHenry County, Illinois: 42 with an identified violation, 9 in significant violation, 248 inspections and $524,393 in penalties over five years — EPA ECHO, as of October 18, 2026.

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

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

Measure	Value
Active EPA-regulated sites	1,121
Sites with an identified violation	42
Sites in significant violation	9
Inspections and evaluations, last 5 years	248
Formal enforcement actions, last 5 years	34
Penalties, last 5 years (shared federal cases once)	$524,393

How many active facilities in McHenry County, Illinois fall under each EPA program?

A facility can be in several programs.

Program	Active sites
Air (Clean Air Act)	382
Water discharge permits (Clean Water Act, NPDES)	441
Hazardous waste (RCRA)	442
Drinking water systems (SDWA)	59
Toxics Release Inventory reporters	26

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

Facility	Compliance status	Quarters in violation (of 12)	Penalties, 5 years
RINGWOOD FACILITY Ringwood, IL	Significant Violation	11	–
CRYSTAL LAKE STP #2, CITY OF Crystal Lake, IL	Violation Identified	12	–
DIVERSAPACK LLC Marengo, IL	Violation Identified	12	–
SCOT FORGE CO Spring Grove, IL	Violation Identified	12	–
WONDER LAKE WATER RECLAMATION FACILITY Wonder Lake, IL	Violation Identified	12	–
HUNTLEY WEST STP, VILLAGE OF Huntley, IL	Violation Identified	10	$1,400
MARENGO STP, CITY OF Marengo, IL	Violation Identified	10	–
HUNTLEY EAST WWTP, VILLAGE OF Huntley, IL	Violation Identified	9	–
ALGONQUIN STW, VILLAGE OF Algonquin, IL	Violation Identified	7	–
HARVARD WWTP, CITY OF Harvard, IL	Violation Identified	5	$12,240
WOODSTOCK NORTHSIDE WASTEWATER TREATMENT PLANT Woodstock, IL	No Violation Identified	5	–
WOODSTOCK SOUTH STP, CITY OF Woodstock, IL	No Violation Identified	4	–
FOX RIVER GROVE WWTP Fox River Grove, IL	No Violation Identified	3	–
CRYSTAL LAKE STP #3, CITY OF Crystal Lake, IL	No Violation Identified	2	–
G & M MFG CORP Crystal Lake, IL	Violation Identified	2	–
LAKE IN THE HILLS SD STP Lake In The Hills, IL	No Violation Identified	2	–
NORTHERN MORAINE WW RECLAMATION DIST WWTP Island Lake, IL	No Violation Identified	1	–
AMPAC FLEX LLC Cary, IL	No Violation Identified	0	–
ANR PIPELINE COMPANY Woodstock, IL	No Violation Identified	0	–
BUILDERS ASPHALT LLC Crystal Lake, IL	No Violation Identified	0	–
CARY STP, VILLAGE OF Cary, IL	No Violation Identified	0	–
MCHENRY CENTRAL STP, CITY OF Mchenry, IL	No Violation Identified	0	–
NORTHERN ILLINOIS MEDICAL CENTER Mchenry, IL	No Violation Identified	0	–
PHIBRO-TECH INC Union, IL	No Violation Identified	0	–
SNO BELT INDUSTRIES INC Woodstock, IL	No Violation Identified	0	–
TECHALLOY CO INC Union, IL	No Violation Identified	0	–

All figures for McHenry 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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