Washington County contains 538 EPA-regulated facilities, 29 of which are currently flagged for significant noncompliance. The county also hosts 0 Superfund sites and 25 TRI chemical reporters. EPA has assessed $8.6M in lifetime penalties and TRI reporters disclosed roughly 89.3k lb of on-site releases. That facility count is well above the Pennsylvania state average of 222 per county.
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Flexsys Amer Ltd Par/Monongahela | Monongahela | 45.1k | Compliant |
| Ritchey Metals Co Inc/Hendersonville Plt | Canonsburg | 9.5k | Compliant |
| Multi Chem Group Llc Washington Facility | Washington | 6.6k | Compliant |
| Harmon Creek Gas Plant | Bulger | 5.9k | Compliant |
| Jessop Steel Llc | Washington | 5.4k | Compliant |
| Ionics Inc | Canonsburg | 4.5k | Compliant |
| Houston Gas Plant | Washington | 3.1k | Penalties |
| Tech Met Inc | Donora | 2.1k | Penalties |
| Etc Northeast Pipeline Llc Revolution Cryogenic Plant | Bulger | 1.9k | Compliant |
| Langeloth Metallurgical Co | Langeloth | 1.7k | Compliant |
| Airgas Specialty Products | Donora | 1.3k | Compliant |
| Reaxis Inc | Mc Donald | 926 | Compliant |
| National Polymers Inc | Charleroi | 323 | Compliant |
| Sprague Energy Bridge St Blk Plt | Washington | 283 | Compliant |
| All Clad Metalcrafters/Canonsburg Plt | Canonsburg | 250 | Compliant |
| Union Electric Steel Corp | Burgettstown | 221 | Penalties |
| Dynamet Incorporated | Washington | 151 | Penalties |
| Ametek Specialty Metal Prod Div | Eighty Four | 66 | Compliant |
| Pleiger Plastics | Washington | 28 | Compliant |
| Mcc Intl Inc | Cecil | 20 | Compliant |