Simpson Timber Co Front St
421 S Front St, Shelton, WA 98584, Mason County
A manufacturing facility in Shelton, Washington, listed in EPA records under sawmills (NAICS 321113) and also softwood veneer and plywood manufacturing and machine shops. It is one of 2,425 active manufacturing facilities in EPA records in Washington.
- Industry
- Wood products
- NAICS 321
- TRI reporter
- Yes
- Inspections, 5 yr
- 7
- EPA registry ID
- 110067420222
- Revised
- November 1, 2026
What's made here
- Sawmills (NAICS 321113)
- Softwood Veneer and Plywood Manufacturing (NAICS 321212)
- Machine Shops (NAICS 332710)
Public EPA records
| Toxics Release Inventory | Reports to the TRI (facility ID 98584SMPSN215NT). |
|---|---|
| Clean Air Act | Listed as a major source of air emissions. |
| Clean Water Act | A non-major water discharge permit (NPDES). |
| Greenhouse gas reporting | Reports to the Greenhouse Gas Reporting Program. |
| Inspections | 7 in the last five years; most recent October 29, 2025. |
EPA ECHO, November 1, 2026; not a rating. EPA report ยท About these records