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 226–250 of 425
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Varuna (Lakelands Drive) Montgomery County | 18 | 1992 | Low | Satisfactory |
| Lake Serene (Edgewater Drive) Harford County | 29 | 1971 | High | Fair |
| Lake Roland Dam Baltimore County | 42 | 1861 | High | Fair |
| Lake Ridge Community Pond Dam (Alta Drive) Calvert County | 28 | 1969 | Significant | Fair |
| Lake Placid Dam (Edison Park Drive) Montgomery County | 26 | 1963 | Significant | Satisfactory |
| Lake of The Pines (Tarnans Branch Crossing) Anne Arundel County | 22 | 1981 | Significant | Fair |
| Lake Nirvana Dam (Main Street) Montgomery County | 29 | 1967 | Significant | Satisfactory |
| Lake Needwood Montgomery County | 65 | 1965 | High | Fair |
| Lake Montebello Baltimore City County | 30 | 1880 | High | Fair |
| Lake Merle Dam Frederick County | 44 | 1971 | Significant | Satisfactory |
| Lake Marian (Woodridge Road) Frederick County | 50 | 1973 | Low | Satisfactory |
| Lake Louise Garrett County | 21 | 1930 | Significant | Poor |
| Lake Linganore Frederick County | 63 | 1972 | High | Unsatisfactory |
| Lake Largo Town Center Dam (Kings Way) Prince George's County | 27 | 1973 | High | Poor |
| Lake Kittamaqundi Howard County | 7 | 1967 | Low | Satisfactory |
| Lake Karylbrook Community Pond (Karen Drive) Calvert County | 30 | 1990 | Significant | Fair |
| Lake Jennifer Frederick County | 15 | 1963 | Low | Fair |
| Lake Jenkins Washington County | 35 | 1936 | Low | Poor |
| Lake Helene Dam Montgomery County | 27 | 1950 | High | Satisfactory |
| Lake Frank Montgomery County | 78 | 1967 | High | Fair |
| Lake Elkhorn Howard County | 26 | 1974 | High | Satisfactory |
| Lake Churchill (Wynnfield Drive) Montgomery County | 44 | 1971 | Low | Satisfactory |
| Lake Bonnie Caroline County | 14 | 1850 | Low | Not Rated |
| Lake Ashburton Reservoir and Storage Tanks Baltimore City County | 40 | 1910 | High | Not Rated |
| Lake Arbor (Lake Arbor Way) Prince George's County | 38 | 1971 | High | Poor |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.