Calvert County contains 78 EPA-regulated facilities, 14 of which are currently flagged for significant noncompliance. The county also hosts 0 Superfund sites and 1 TRI chemical reporters. EPA has assessed $100.7k in lifetime penalties and TRI reporters disclosed roughly 0 lb of on-site releases. That facility count is near the Maryland state average of 74 per county.
| Facility | City | On-site (lb) | Status |
|---|
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| Regency Manor Mobile Home Park | Dunkirk | $20.0k | 2025-10-02 |
| Southern Md Oil - Owings Bulk Plant | Owings | $0 | 2013-09-22 |
| Vera Beach Club | Lusby | $0 | 2025-09-11 |
| Academy Of Natural Science | Saint Leonard | $0 | 2026-01-20 |
| Northern High School | Owings | $0 | 2023-02-16 |
| King's Landing Pool | Huntingtown | $0 | 2012-02-03 |
| Edward T. Hall Aquatic Center | Prince Frederick | $0 | 2012-06-08 |
| Beechtree Apartments | Prince Frederick | $0 | |
| Windward Key Community Pool | Chesapeake Beach | $0 | |
| Vera's Beach Club | Lusby | $0 | 2025-09-11 |
| Cove Point Family Aquatic Center | Lusby | $0 | 2011-11-17 |
| Calvert County Industrial Park Lot 24r | Prince Edwards | $0 | 2025-04-29 |
| Calvert Cliffs Nuclear Power Plant | Lusby | $0 | 2025-04-22 |
| Naval Research Laboratory Cbd | Chesapeake Beach | $0 | 2025-12-11 |