W R Grace and Co – Curtis Bay Works
5500 Chemical Rd, Curtis Bay, MD 21226, Baltimore City County
A manufacturing facility in Curtis Bay, Maryland, listed in EPA records under other basic inorganic chemical manufacturing (NAICS 325180) and also all other miscellaneous chemical product and preparation manufacturing and urethane and other foam product (except polystyrene) manufacturing. It is one of 2,251 active manufacturing facilities in EPA records in Maryland.
- Industry
- Chemicals
- NAICS 325
- TRI reporter
- Yes
- Inspections, 5 yr
- 7
- EPA registry ID
- 110000867214
- Revised
- November 1, 2026
What's made here
- Other Basic Inorganic Chemical Manufacturing (NAICS 325180)
- All Other Miscellaneous Chemical Product and Preparation Manufacturing (NAICS 325998)
- Urethane and Other Foam Product (except Polystyrene) Manufacturing (NAICS 326150)
Public EPA records
| Toxics Release Inventory | Reports to the TRI (facility ID 21226WRGRC5500C). |
|---|---|
| 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 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 | 7 in the last five years; most recent September 8, 2026. |
EPA ECHO, November 1, 2026; not a rating. EPA report · About these records