Williams County contains 67 EPA-regulated facilities, 3 of which are currently flagged for significant noncompliance. The county also hosts 0 Superfund sites and 12 TRI chemical reporters. EPA has assessed $1.1k in lifetime penalties and TRI reporters disclosed roughly 56.4k lb of on-site releases. That facility count is near the Ohio state average of 71 per county.
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Altenloh, Brinck & Co. U.s., Inc | Pioneer | 33.1k | Compliant |
| Allied Moulded Products, Inc. (0386010104) | Bryan | 16.6k | Compliant |
| Plastech-Bryan | Bryan | 2.2k | Compliant |
| Wieland Chase Fka Chase Brass And Copper Llc | Montpelier | 1.9k | Penalties |
| Trinity Specialty Compounding Inc | West Unity | 1.5k | Compliant |
| Simpson Industries Inc * | Edon | 643 | Compliant |
| Airgas Specialty Gases | Stryker | 250 | Compliant |
| The Ohio Art Company (0386010161) | Bryan | 157 | Compliant |
| Continental Tire North America Inc | Bryan | 56 | Compliant |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| Emerging Streams Ministries | Stryker | $0 | 2024-03-07 |
| Village Of Edon | Edon | $0 | 2025-10-01 |
| Hickory Hills Wwtp | Bryan | $0 | 2021-12-16 |