De Soto County contains 80 EPA-regulated facilities, 18 of which are currently flagged for significant noncompliance. The county also hosts 0 Superfund sites and 0 TRI chemical reporters. EPA has assessed $82.9k in lifetime penalties and TRI reporters disclosed roughly 4.3M lb of on-site releases. That facility count is near the Louisiana state average of 68 per county.
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| International Paper - Mansfield Mill | Mansfield | 4.1M | Compliant |
| Diversified Production Llc - North Louisiana Gas Plant | Frierson | 191.0k | Penalties |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| Hwy 509 Rv Park Llc | Mansfield | $0 | 2009-05-13 |
| Grand Cane Water System-Main Plant Addie At 6th St | Keatchie | $0 | |
| Keatchie Water System-Shiloh Station | Keatchie | $0 | 2025-06-06 |
| Cathey Acres Sewer System | Stonewall | $0 | 2023-06-07 |
| South Mansfield, Village Of- South Mansfield Wwtp | South Mansfield | $0 | 2025-08-13 |
| Cnc Oilfield Services Llc - Frierson Facility | Frierson | $0 | |
| Black Water Environmental Llc - Griffin Estates Units 3-5 Stp | Stonewall | $0 | 2025-09-03 |
| Logansport Water System-Surface Water Treatment Plant | Logansport | $0 | 2023-10-06 |
| A&g Rv Park Llc | Mansfield | $0 | |
| J&v Development Llc- Shine Carwash | Mansfield | $0 | 2012-12-10 |
| North Desoto High School | Stonewall | $0 | 2023-09-11 |
| Mansfield City Of - Mansfield Sewage Treatment Facility | Mansfield | $0 | 2023-05-23 |
| New Rockdale Rv Park | Mansfield | $0 | 2024-03-06 |
| Stonewall Shell | Stonewall | $0 | |
| Hillside Real Estate, Llc | Stonewall | $0 | 2023-09-26 |
| Indigo Natural Resources Llc- Indigo Oil Kickapoo Yard | Gloster | $0 | |
| Sabine River Authority | Mansfield | $0 | |
| Suburban Mobile Home Park | Stonewall | $0 | 2025-08-27 |