Madison County contains 66 EPA-regulated facilities, 12 of which are currently flagged for significant noncompliance. The county also hosts 0 Superfund sites and 7 TRI chemical reporters. EPA has assessed $2.5k in lifetime penalties and TRI reporters disclosed roughly 5.7k lb of on-site releases. That facility count is near the Ohio state average of 71 per county.
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Stanley Electric Us Company | London | 4.1k | Compliant |
| Stephens Pipe And Steel Inc | Mount Sterling | 1.4k | Compliant |
| Jefferson Industries Corp | West Jefferson | 204 | Compliant |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| London Correctional Institute | London | $0 | 2021-09-24 |
| Madison County Sewer District #2 | London | $0 | 2025-04-22 |
| West Jefferson Village Pws-West Jefferson Pws | West Jefferson | $0 | |
| Greentree Mobile Home Park-Green Tree Mhp | Galloway | $0 | 2021-03-17 |
| Plain City Wwtp | Plain City | $0 | 2025-10-09 |
| Green Meadows Mobile Home Park-Green Meadows Mhp | London | $0 | 2023-05-23 |
| South Solon Wwtp | South Solon | $0 | 2017-12-27 |
| Jehovah Witness Kingdom | $0 | ||
| South Solon Village Pws-South Solon Wtp | South Solon | $0 | 2024-04-25 |
| Tolles Career & Technical Center | Plain City | $0 | 2022-04-28 |
| Jonathan Alder Junior High School | Plain City | $0 | 2016-04-26 |
| Village Of West Jefferson | West Jefferson | $0 | 2024-12-02 |