Environmental compliance · county
Environmental compliance in Milwaukee County
2,746 active EPA-regulated sites in Milwaukee County, Wisconsin: 49 with an identified violation, 11 in significant violation, 280 inspections and $14.7 million in penalties over five years — EPA ECHO, as of October 18, 2026.
How many facilities in Milwaukee County, Wisconsin are regulated by the EPA, and how many are in violation (as of October 18, 2026)?
How many active facilities in Milwaukee County, Wisconsin fall under each EPA program?
A facility can be in several programs.
| Program | Active sites |
|---|---|
| Air (Clean Air Act) | 126 |
| Water discharge permits (Clean Water Act, NPDES) | 444 |
| Hazardous waste (RCRA) | 2,269 |
| Drinking water systems (SDWA) | 97 |
| Toxics Release Inventory reporters | 97 |
| Greenhouse gas reporters (GHGRP) | 12 |
Which large facilities in Milwaukee County, Wisconsin does the EPA track, and are they in violation?
All figures for Milwaukee 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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