Specimen ID | State | County | Locality | Year |
| Drainage name | Status |
234299
| MD | Montgomery | Chesapeake and Ohio Canal, 1 mi N or Cabin John | 1957 |
02070008
| Middle Potomac-Catoctin | established |
234298
| MD | Montgomery | Seven Locks, Chesapeake and Ohio Canal | 1952 |
02070008
| Middle Potomac-Catoctin | established |
878176
| VA | Loudoun | Loudoun County | 2015 |
02070008
| Middle Potomac-Catoctin | established |
1397689
| VA | Loudoun | pond near visitor center in Banshee Reeks | 2016 |
02070008
| Middle Potomac-Catoctin | unknown |
1397701
| VA | Loudoun | pond near visitor center in Banshee Reeks | 2016 |
02070008
| Middle Potomac-Catoctin | unknown |
1397837
| VA | Loudoun | pond near visitor center in Banshee Reeks | 2016 |
02070008
| Middle Potomac-Catoctin | unknown |