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 126–150 of 181
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Hagerstown City Park Lake (Key Street) Washington County | 10 | 1920 | Low | Satisfactory |
| Greenspring East Swm Pond No. 3 (Stream Crossing Road) Baltimore County | 34 | 1995 | Low | Poor |
| Greencastle Lakes Dam (Ballinger Drive) Montgomery County | 36 | 1965 | Low | Satisfactory |
| Great Star Drive Swm Dam Howard County | 20 | 1997 | Low | Satisfactory |
| Great Falls Estate Dam Montgomery County | 34 | 1963 | Low | Not Rated |
| Great Falls Dam, Lock No. 20 Montgomery County | 8 | 1850 | Low | Not Rated |
| Goldberg Pond Montgomery County | 20 | 1965 | Low | Not Rated |
| Germantown Estates Regional Facility Swm Dam (Steeple Road) Montgomery County | 22 | 1995 | Low | Satisfactory |
| Galestown Millpond (Galestown-Reliance Road) Dorchester County | 9 | 1972 | Low | Not Rated |
| Frederick Research Park Lot 4 Swm Pond Frederick County | 18 | 1988 | Low | Satisfactory |
| Foreman Branch Dam Queen Anne's County | 7 | 1955 | Low | Fair |
| Ferry Landing Woods Pond Calvert County | 22 | 1981 | Low | Fair |
| Fairlee Lake Kent County | 20 | 1828 | Low | Poor |
| Elk Neck State Park Dam Cecil County | 25 | 1960 | Low | Unsatisfactory |
| Elgin Farm Pond Kent County | 14 | 1965 | Low | Fair |
| Eaton-Raimond Pond Kent County | 16 | 1960 | Low | Not Rated |
| Easton Secondary Sewage Lagoon Talbot County | 12 | 1962 | Low | Not Rated |
| Easton Primary Sewage Lagoon Talbot County | 15 | 1962 | Low | Not Rated |
| Dodd Farm Pond Queen Anne's County | 27 | 1984 | Low | Poor |
| Daniels Dam Baltimore County | 27 | 1833 | Low | Fair |
| Damazo Pond Frederick County | 22 | 1975 | Low | Satisfactory |
| Crofton Farms Regional Swm Pond Anne Arundel County | 15 | 1998 | Low | Satisfactory |
| Cristal Global Hawkins Point Plant Settling Basins Anne Arundel County | 21 | 1960 | Low | Not Rated |
| Cortland Manor Swm Dam Washington County | 15 | 2006 | Low | Not Rated |
| Columbia Creek Dam Wicomico County | 17 | 1987 | Low | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.