Maryland Dams
425 dams tracked by the National Inventory of Dams
Total Dams
425
High Hazard
107
25.2%
Poor / Unsatisfactory
92
Average Age
60 yrs
Hazard Classification
High107 (25.2%)
Significant136 (32.0%)
Low181 (42.6%)
Condition Assessment
Satisfactory127 (29.9%)
Fair143 (33.6%)
Poor / Unsatisfactory92 (21.6%)
Not Rated63 (14.8%)
Federal
14
State
45
Local
166
Private
192
Tallest Dams
- Jennings Randolph Dam296 ft
- Savage River Dam184 ft
- Liberty Dam175 ft
- Prettyboy Dam155 ft
- T. Howard Duckett Dam139 ft
High Hazard Dams
Poor Condition Dams
- Liberty DamUnsatisfactory
- Druid Hill Lake Reservoir and Storage TanksPoor
- Rocky Gap DamPoor
- Piney Run DamUnsatisfactory
- Warner Gap Hollow DamUnsatisfactory
All Dams in Maryland
Showing 76–100 of 127
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Montgomery College - Rockville Campus - Swm Dam Montgomery County | 14 | 1965 | Significant | Satisfactory |
| Morris Mill Pond (South Division Street) Wicomico County | 12 | 1947 | High | Satisfactory |
| Mt. Soma Reservoir Harford County | 61 | 2018 | High | Satisfactory |
| Myrtle Grove Lake Charles County | 14 | 1965 | Low | Satisfactory |
| New Germany State Park Dam Garrett County | 12 | 1930 | Low | Satisfactory |
| North Creek Dam Montgomery County | 24 | 1977 | Low | Satisfactory |
| North Laurel Park Swm Pond (Sewall Avenue) Howard County | 30 | 1998 | Significant | Satisfactory |
| Painters Mill Levee Baltimore County | 14 | 1989 | Significant | Satisfactory |
| Pecks Branch Dam (Ashburton) Baltimore City County | 59 | 1956 | High | Satisfactory |
| Pikesville Reservoir Storage Tanks Baltimore County | 22 | 2007 | High | Satisfactory |
| Pocomoke City Sewage Lagoon No.1 (North Pond) Worcester County | 10 | 1972 | Low | Satisfactory |
| Pocomoke City Sewage Lagoon No. 2 (South Pond) Worcester County | 10 | 1972 | Low | Satisfactory |
| Poolesville Public Golf Course Montgomery County | 25 | 1953 | Low | Satisfactory |
| Railroad Branch Swm Pond Montgomery County | 25 | 1990 | High | Satisfactory |
| Rattlewood Golf Course Montgomery County | 31 | 1975 | Significant | Satisfactory |
| Reichs Ford Landfill Swm Dam Frederick County | 39 | 1995 | Low | Satisfactory |
| Riawakin Pond (Nanticoke Road) Wicomico County | 16 | 1950 | Low | Satisfactory |
| Rolling Green Community Pond Harford County | 22 | 1965 | Significant | Satisfactory |
| Rolling Hills Swm Pond Montgomery County | 15 | 1982 | High | Satisfactory |
| Russett Center Lower Dam / Pond #1 Anne Arundel County | 34 | 1990 | Low | Satisfactory |
| Russett Center Upper Dam / Pond #2 (Ridgemere Crossing) Anne Arundel County | 27 | 1990 | Low | Satisfactory |
| Savage River Dam Garrett County | 184 | 1952 | High | Satisfactory |
| Seven Oaks Swm Dam Anne Arundel County | 17 | 1989 | Low | Satisfactory |
| Shipleys Crossing North Dam 1 (Galiot Dr) Anne Arundel County | 9 | 2008 | Significant | Satisfactory |
| Shipleys Crossing North Dam 2 (Wherry Ct) Anne Arundel County | 14 | 2008 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.