US Gypsum Co
301 Riley Rd, East Chicago, IN 46312, Lake County
A manufacturing facility in East Chicago, Indiana, listed in EPA records under gypsum product manufacturing (NAICS 327420). It is one of 3,706 active manufacturing facilities in EPA records in Indiana.
- Industry
- Glass, cement and stone
- NAICS 327
- TRI reporter
- Yes
- Inspections, 5 yr
- 2
- EPA registry ID
- 110003086320
- 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 46312SGYPS3501C). |
|---|---|
| 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 small quantity generator of hazardous waste (100 to 1,000 kg a month). |
| Greenhouse gas reporting | Reports to the Greenhouse Gas Reporting Program. |
| Inspections | 2 in the last five years; most recent March 12, 2025. |
EPA ECHO, November 1, 2026; not a rating. EPA report ยท About these records