Warren County contains 93 EPA-regulated facilities, 6 of which are currently flagged for significant noncompliance. The county also hosts 1 Superfund sites and 24 TRI chemical reporters. EPA has assessed $6.0k in lifetime penalties and TRI reporters disclosed roughly 85.7k lb of on-site releases. That facility count is well above the Ohio state average of 71 per county.
| Site | City | Status |
|---|---|---|
| Peters Cartridge Factory | Kings Mills | Construction complete |
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Berenfield Containers Inc | Mason | 76.3k | Compliant |
| Midmark Corporation (1483060076) | Lebanon | 2.7k | Compliant |
| Mitsubishi Electric Automotive America (1483090295) | Mason | 2.4k | Compliant |
| High Concrete Group Llc (1483140150) | Springboro | 1.3k | Compliant |
| Pharmacia Hepar Inc | Franklin | 732 | Compliant |
| Advics Manufacturing Of Ohio Inc | Lebanon | 730 | Compliant |
| Flint Group Packaging Ink (1483060398) | Lebanon | 450 | Compliant |
| Gayston Corp | Springboro | 330 | Compliant |
| Sunstar Engineering Of Americas Inc | Springboro | 281 | Compliant |
| Cincinnati Fan And Ventilator Company | Mason | 262 | Compliant |
| Jw Harris Co Inc Dba Harris Products Group | Mason | 188 | Compliant |
| Fecon Llc | Lebanon | 60 | Compliant |
| The Hartz Mountain Corp | Pleasant Plain | 40 | Compliant |
| Inx International Ink Co | Lebanon | 10 | Compliant |
| L-3 Communications Cincinnati Electronics | Mason | 8 | Compliant |
| Ferco Tech | Franklin | 3 | Compliant |
| Sunstar Engineering Americas Inc | Franklin | 1 | Compliant |
| Atlas Roofing Corporation, Franklin Roofing Facility (1483040201) | Franklin | 1 | Compliant |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| Otterbein-Lebanon Retreat Center | Lebanon | $0 | |
| Morrow Village Pws | Morrow | $0 | |
| Billy D. Estes Oil Co. | Franklin | $0 | 2025-11-14 |
| Frontier Campground | Waynesville | $0 | |
| Petrochoice Lubrication Solutions | Mason | $0 | 2024-01-25 |
| Wayne Mobile Inc. | Waynesville | $0 | 2025-02-06 |