Environmental compliance · county
Environmental compliance in Rock County
658 active EPA-regulated sites in Rock County, Wisconsin: 31 with an identified violation, 5 in significant violation, 67 inspections and $407,312 in penalties over five years — EPA ECHO, as of October 18, 2026.
How many facilities in Rock County, Wisconsin are regulated by the EPA, and how many are in violation (as of October 18, 2026)?
How many active facilities in Rock County, Wisconsin fall under each EPA program?
A facility can be in several programs.
| Program | Active sites |
|---|---|
| Air (Clean Air Act) | 25 |
| Water discharge permits (Clean Water Act, NPDES) | 222 |
| Hazardous waste (RCRA) | 295 |
| Drinking water systems (SDWA) | 147 |
| Toxics Release Inventory reporters | 23 |
| Greenhouse gas reporters (GHGRP) | 3 |
Which large facilities in Rock County, Wisconsin does the EPA track, and are they in violation?
| Facility | Compliance status | Quarters in violation (of 12) | Penalties, 5 years |
|---|---|---|---|
| ALLIANT ENERGY COMPANY Beloit, WI | No Violation Identified | 6 | – |
| BELOIT WASTEWATER TREATMENT FACILITY Beloit, WI | Violation Identified | 5 | – |
| EVONIK INDUSTRIES Janesville, WI | No Violation Identified | 3 | $80,000 |
| COLT INDUSTRIES FAIRBANKS MORSE ENGINE DIV Beloit, WI | Violation Identified | 2 | – |
| JANESVILLE WASTEWATER UTILITY Janesville, WI | No Violation Identified | 1 | – |
| ANR PIPELINE CO - JANESVILLE COMPRESSOR Janesville, WI | No Violation Identified | 0 | – |
| CHS OILSEED PROCESSING LLC Evansville, WI | No Violation Identified | 0 | – |
| CITY OF JANESVILLE SANITARY LANDFILL Janesville, WI | No Violation Identified | 0 | – |
| STOUGHTON TRAILERS LLC - PLT 7 Evansville, WI | No Violation Identified | 0 | – |
All figures for Rock County · Wisconsin · 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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