Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
576385
| MD | Baltimore | Loch Raven Reservoir, near boating pier | 1995 |
02060003
| Gunpowder-Patapsco | failed |
576388
| MD | Baltimore | Stansbury Pond [=Lynch Cove Park Pond] | 2006 |
02060003
| Gunpowder-Patapsco | failed |
164788
| MD | Calvert | golf course in Calvert County | 2004 |
02060006
| Patuxent | failed |
164787
| MD | Cecil | Susquehanna River at Conowingo Pool near Peach Bottom | 2004 |
02050306
| Lower Susquehanna | failed |
164782
| MD | Cecil | Susquehanna River near Port Deposit | 2004 |
02050306
| Lower Susquehanna | failed |
164765
| MD | Harford | Bynum Run Park near Bel Air | 2005 |
02060003
| Gunpowder-Patapsco | failed |
164786
| MD | Prince George's | Swan Creek, [Fort Washington] | 2001 |
02070010
| Middle Potomac-Anacostia-Occoquan | failed |