Marion County contains 323 EPA-regulated facilities, 17 of which are currently flagged for significant noncompliance. The county also hosts 2 Superfund sites and 71 TRI chemical reporters. EPA has assessed $22.1M in lifetime penalties and TRI reporters disclosed roughly 74.7k lb of on-site releases. That facility count is well above the Indiana state average of 63 per county.
| Site | City | Status |
|---|---|---|
| Reilly Tar Chemical Corp Indianapolis Plant | Indianapolis | Ready for anticipated reuse |
| Keystone Corridor Ground Water Contamination | Indianapolis | Cleanup underway |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| Ingredion Incorporated | Indianapolis | $1.7M | 2025-08-12 |
| Metalworking Lubricants Company | Indianapolis | $377.4k | 2024-09-25 |
| Novipax Llc | Indianapolis | $9.1k | 2024-05-01 |
| Saint Vincent Hospitals & Health Care S | Indianapolis | $6.5k | 2025-01-02 |
| Heritage Environmental Services, Llc | Indianapolis | $0 | 2024-02-22 |
| American United Life Insurance Co. | Indianapolis | $0 | 2025-10-30 |
| Geist Lake Marina | Indianapolis | $0 | |
| Allison Transmission Inc | Indianapolis | $0 | 2025-07-02 |
| Ipl - Harding Street Station | Indianapolis | $0 | 2026-02-25 |
| Bunge North America (East) Llc | Indianapolis | $0 | 2019-07-30 |
| Fedex Supply Chain | Indianapolis | $0 | 2023-12-14 |
| U Pull And Pay | Indianapolis | $0 | |
| Asphalt Materials Incorporated | Indianapolis | $0 | 2018-05-10 |
| Brookfield Sand And Gravel Marlin Road Pit | Indianapolis | $0 | 2025-12-15 |
| Harding Materials, Inc. | Indianapolis | $0 | 2025-07-22 |
| Dhl Supply Chain Rn (Usa) Llc | Indianapolis | $0 | 2024-01-23 |
| Carrier Corporation | Indianapolis | $0 | 2015-12-22 |