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 51–75 of 136
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Lake Karylbrook Community Pond (Karen Drive) Calvert County | 30 | 1990 | Significant | Fair |
| Lake Louise Garrett County | 21 | 1930 | Significant | Poor |
| Lake Merle Dam Frederick County | 44 | 1971 | Significant | Satisfactory |
| Lake Nirvana Dam (Main Street) Montgomery County | 29 | 1967 | Significant | Satisfactory |
| Lake of The Pines (Tarnans Branch Crossing) Anne Arundel County | 22 | 1981 | Significant | Fair |
| Lake Placid Dam (Edison Park Drive) Montgomery County | 26 | 1963 | Significant | Satisfactory |
| Lake Ridge Community Pond Dam (Alta Drive) Calvert County | 28 | 1969 | Significant | Fair |
| Lake Waterford Dam Anne Arundel County | 18 | 1925 | Significant | Satisfactory |
| Laurel Lumber Dam Howard County | 14 | 2007 | Significant | Satisfactory |
| Ledford Pond Dam St. Mary's County | 30 | 1975 | Significant | Poor |
| Linden Chapel Road Swm Dam Howard County | 16 | 1989 | Significant | Satisfactory |
| Little Deer Creek Site 1 Harford County | 45 | 1958 | Significant | Fair |
| Little Deer Creek Site 2a (Mcknight/Rutledge) Harford County | 44 | 1962 | Significant | Fair |
| Little Deer Creek Site 3 Harford County | 45 | 1962 | Significant | Fair |
| Lutheran Village At Millers Grant Pond 1 (Vals Lane) Howard County | 18 | 2015 | Significant | Satisfactory |
| Madison Hill Swm Pond 1 (Silk Tree Drive) Prince George's County | 18 | 1994 | Significant | Fair |
| Manchester Farm Regional Swm Pond Dam Montgomery County | 21 | 1996 | Significant | Fair |
| Martindale Pond Harford County | 20 | 1975 | Significant | Poor |
| Mary Lee Lane Swm Dam Howard County | 11 | 1985 | Significant | Satisfactory |
| Md Route 104 Swm Pond (Sha Bmp 130077) Howard County | 17 | 1990 | Significant | Poor |
| Medford Quarry Wash Pond Carroll County | 26 | 1988 | Significant | Fair |
| Millersville Post Office Dam Anne Arundel County | — | — | Significant | Not Rated |
| Mitchell Pond #1 (Nanticoke Road) Wicomico County | 9 | 1937 | Significant | Fair |
| Montclair Manor Levee (Asset 14616) Montgomery County | 15 | 2004 | Significant | Fair |
| Montgomery College - Rockville Campus - Swm Dam Montgomery County | 14 | 1965 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.