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 201–225 of 425
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Little Youghiogheny Site 6 (Broadford) Garrett County | 60 | 1971 | High | Fair |
| Little Youghiogheny Site 5 Garrett County | 45 | 1968 | High | Fair |
| Little Youghiogheny Site 3 Garrett County | 35 | 1965 | High | Fair |
| Little Youghiogheny Site 2 Garrett County | 35 | 1962 | High | Fair |
| Little Youghiogheny Site 1 Garrett County | 36 | 1964 | High | Fair |
| Little Tonoloway Dam Washington County | 17 | 1953 | Low | Fair |
| Little Seneca Dam Montgomery County | 99 | 1984 | High | Fair |
| Little Falls Dam - Potomac River Montgomery County | 12 | 1958 | Low | Not Rated |
| Little Deer Creek Site 3 Harford County | 45 | 1962 | Significant | Fair |
| Little Deer Creek Site 2a (Mcknight/Rutledge) Harford County | 44 | 1962 | Significant | Fair |
| Little Deer Creek Site 1 Harford County | 45 | 1958 | Significant | Fair |
| Little Bennett Golf Course Montgomery County | 22 | 1992 | Low | Poor |
| Linden Chapel Road Swm Dam Howard County | 16 | 1989 | Significant | Satisfactory |
| Liberty Dam Baltimore County | 175 | 1953 | High | Unsatisfactory |
| Leonard Pond Wicomico County | 11 | 1914 | Low | Fair |
| Ledford Pond Dam St. Mary's County | 30 | 1975 | Significant | Poor |
| Laurel Sand & Gravel Wash Pond Prince George's County | 23 | 1993 | Low | Not Rated |
| Laurel Lumber Dam Howard County | 14 | 2007 | Significant | Satisfactory |
| Laurel Lakes No 2 (Upper) Oxford Drive Prince George's County | 14 | 1986 | Low | Satisfactory |
| Laurel Lakes No 1 (Lower) Prince George's County | 21 | 1986 | High | Poor |
| Lake Whetstone Dam (Montgomery Village Avenue) Montgomery County | 36 | 1966 | High | Poor |
| Lake Waterford Dam Anne Arundel County | 18 | 1925 | Significant | Satisfactory |
| Lake Walker Dam - Pond 2 (Russell Avenue) Montgomery County | 17 | 1977 | Low | Satisfactory |
| Lake Walker Dam - Pond 1 (Montgomery Village Avenue) Montgomery County | 35 | 1966 | High | Satisfactory |
| Lakeview Dam/Westlake Dam Montgomery County | 26 | 1960 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.