Howard County contains 160 EPA-regulated facilities, 14 of which are currently flagged for significant noncompliance. The county also hosts 0 Superfund sites and 9 TRI chemical reporters. EPA has assessed $6.1M in lifetime penalties and TRI reporters disclosed roughly 2.0k lb of on-site releases. That facility count is well above the Maryland state average of 74 per county.
| Facility | City | On-site (lb) | Status |
|---|---|---|---|
| Precoat Metals Division Of Sequa Corporation | Elkridge | 828 | Sig. violation |
| Waterloo | Jessup | 602 | Compliant |
| Elite Spice | Jessup | 346 | Compliant |
| Concrete Pipe & Products | Jessup | 215 | Compliant |
| Facility | City | Penalties | Last Inspected |
|---|---|---|---|
| Holiday Mobile Estates, Inc | Jessup | $36.0k | 2025-11-24 |
| Dasher Green Pool | Columbia | $0 | |
| Precoat Metals Division Of Sequa Corporation | Elkridge | $0 | 2024-02-13 |
| Glenelg Country School, Inc. | Glenelg | $0 | 2025-05-15 |
| Chef's Warehouse Mid-Atlantic, Llc Dba Capital Seaboard | Jessup | $0 | |
| Hammond Park Recreation, Inc. | Laurel | $0 | 2021-09-02 |
| Tate Access Floors | Jessup | $0 | 2024-07-09 |
| Lisbon Business Center Wwtp | Woodbine | $0 | 2025-12-04 |
| Md & Va Milk Producers Coop | Laurel | $0 | 2025-08-14 |
| Lyhus Property | Fulton | $0 | 2025-06-24 |
| Atholton Swim Club | Columbia | $0 | 2021-09-02 |
| Nob Hill Swim Club | Ellicott City | $0 | |
| Wilbert & Monarch Vault Works | Laurel | $0 | 1994-02-04 |
| Residence Inn Columbia | Ellicott City | $0 |