United States Gypsum
Highway 51a, Southard, OK 73770, Blaine County
A manufacturing facility in Southard, Oklahoma, listed in EPA records under gypsum product manufacturing (NAICS 327420). It is one of 1,274 active manufacturing facilities in EPA records in Oklahoma.
- Industry
- Glass, cement and stone
- NAICS 327
- TRI reporter
- Yes
- Inspections, 5 yr
- 5
- EPA registry ID
- 110008059983
- Revised
- November 1, 2026
What's made here
- Gypsum Product Manufacturing (NAICS 327420)
Public EPA records
| Toxics Release Inventory | Reports to the TRI (facility ID 73763NTDSTHWY51). |
|---|---|
| Clean Air Act | Listed as a major source of air emissions. |
| Clean Water Act | A non-major water discharge permit (NPDES). |
| Hazardous waste (RCRA) | Listed as a very small quantity generator of hazardous waste (under 100 kg a month). |
| Greenhouse gas reporting | Reports to the Greenhouse Gas Reporting Program. |
| Inspections | 5 in the last five years; most recent September 30, 2025. |
EPA ECHO, November 1, 2026; not a rating. EPA report ยท About these records