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 127
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Morris Mill Pond (South Division Street) Wicomico County | 12 | 1947 | High | Satisfactory |
| Montgomery College - Rockville Campus - Swm Dam Montgomery County | 14 | 1965 | Significant | Satisfactory |
| Montgomery College - Germantown Campus - Swm Pond Montgomery County | 21 | 1987 | Low | Satisfactory |
| Montgomery Auto Park Dam Montgomery County | 29 | 1987 | Low | Satisfactory |
| Milestone Swm Pond No. 4 Montgomery County | 26 | 1995 | Low | Satisfactory |
| Mays Chapel Reservoir Baltimore County | 20 | 1965 | High | Satisfactory |
| Masonville Dmcf Baltimore City County | 18 | — | Low | Satisfactory |
| Mason-Dixon Water Supply Pond Cecil County | 67 | 1966 | Low | Satisfactory |
| Mason Dixon Original Settling Pond Cecil County | 52 | 1966 | Low | Satisfactory |
| Mary Lee Lane Swm Dam Howard County | 11 | 1985 | Significant | Satisfactory |
| Lutheran Village At Millers Grant Pond 1 (Vals Lane) Howard County | 18 | 2015 | Significant | Satisfactory |
| Loch Raven Dam Baltimore County | 130 | 1923 | High | Satisfactory |
| Linden Chapel Road Swm Dam Howard County | 16 | 1989 | Significant | Satisfactory |
| Laurel Lumber Dam Howard County | 14 | 2007 | Significant | Satisfactory |
| Laurel Lakes No 2 (Upper) Oxford Drive Prince George's County | 14 | 1986 | Low | Satisfactory |
| 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 |
| Lake Varuna (Lakelands Drive) Montgomery County | 18 | 1992 | Low | Satisfactory |
| Lake Placid Dam (Edison Park Drive) Montgomery County | 26 | 1963 | Significant | Satisfactory |
| Lake Nirvana Dam (Main Street) Montgomery County | 29 | 1967 | Significant | Satisfactory |
| Lake Merle Dam Frederick County | 44 | 1971 | Significant | Satisfactory |
| Lake Marian (Woodridge Road) Frederick County | 50 | 1973 | Low | Satisfactory |
| Lake Kittamaqundi Howard County | 7 | 1967 | Low | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.