Cornerstone Chemical Co LLC
10800 River Rd, Waggaman, LA 70094, Jefferson County
A manufacturing facility in Waggaman, Louisiana, listed in EPA records under all other basic organic chemical manufacturing (NAICS 325199) and also other basic inorganic chemical manufacturing and plastics material and resin manufacturing. It is one of 3,589 active manufacturing facilities in EPA records in Louisiana.
- Industry
- Chemicals
- NAICS 325
- TRI reporter
- Yes
- Inspections, 5 yr
- 9
- EPA registry ID
- 110049249075
- Revised
- November 1, 2026
What's made here
- All Other Basic Organic Chemical Manufacturing (NAICS 325199)
- Other Basic Inorganic Chemical Manufacturing (NAICS 325180)
- Plastics Material and Resin Manufacturing (NAICS 325211)
- Nitrogenous Fertilizer Manufacturing (NAICS 325311)
- All Other Miscellaneous Chemical Product and Preparation Manufacturing (NAICS 325998)
- All Other Plastics Product Manufacturing (NAICS 326199)
Public EPA records
| Toxics Release Inventory | Reports to the TRI (facility ID 70094CYRND18RIV, 70094MRCNC10800). |
|---|---|
| Clean Air Act | Listed as a major source of air emissions. |
| Clean Water Act | Major and non-major water discharge permits (NPDES). |
| Hazardous waste (RCRA) | Listed as a large quantity generator of hazardous waste (1,000 kg or more a month); and an operating hazardous waste treatment, storage or disposal facility. |
| Greenhouse gas reporting | Reports to the Greenhouse Gas Reporting Program. |
| Inspections | 9 in the last five years; most recent July 3, 2025. |
EPA ECHO, November 1, 2026; not a rating. EPA report ยท About these records