Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
1469023
| MD | Cecil | Conowingo Reservoir [near Deep Creek] | 2017 |
02050306
| Lower Susquehanna | established |
1469031
| MD | Cecil | L[ower] Susquehanna River | 2017 |
02050306
| Lower Susquehanna | established |
1469038
| MD | Cecil | Upper Chesapeake Bay--Tidal | 2017 |
02050306
| Lower Susquehanna | established |
1469019
| MD | Harford | Conowingo Reservoir [at Broad Creek] | 2017 |
02050306
| Lower Susquehanna | established |
1469021
| MD | Harford | Conowingo Reservoir [below Broad Creek] | 2017 |
02050306
| Lower Susquehanna | established |
1469018
| MD | Harford | Conowingo Reservoir [between Broad Creek and Michael Run] | 2017 |
02050306
| Lower Susquehanna | established |
1469020
| MD | Harford | Conowingo Reservoir [near Broad Creek] | 2017 |
02050306
| Lower Susquehanna | established |
1469029
| MD | Harford | Fishermans Park Conowingo Dam | 2017 |
02050306
| Lower Susquehanna | established |
1469030
| MD | Harford | L[ower] Susquehanna River | 2017 |
02050306
| Lower Susquehanna | established |
1469032
| MD | Harford | L[ower] Susquehanna River | 2017 |
02050306
| Lower Susquehanna | established |
1420785
| MD | Montgomery | White's Ferry | 2017 |
02070008
| Middle Potomac-Catoctin | established |
1407667
| MD | Washington | Pond in Shafer Park, Boonesboro | 2017 |
02070004
| Conococheague-Opequon | unknown |
1420784
| MD | Washington | Potomac River at Dam 5 | 2017 |
02070004
| Conococheague-Opequon | established |