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 1–25 of 71
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Anderson Mill Pond (Pemberton Drive) Wicomico County | 11 | 1900 | Low | Poor |
| Aragona Village Prince George's County | 21 | 1991 | High | Poor |
| Beaglin Park Dam (Beaglin Park Drive) Wicomico County | 23 | 1976 | High | Poor |
| Bobcat Pond Allegany County | 13 | 2016 | Significant | Poor |
| Bowie Town Center Lake Prince George's County | 20 | 1990 | High | Poor |
| Bwi Pond B12 Anne Arundel County | 21 | 1995 | Significant | Poor |
| Chambers Lake Caroline County | 11 | 1937 | Significant | Poor |
| Chestertown Stablization Pond No. 2 Kent County | 32 | 1967 | Low | Poor |
| Cohen Pond Frederick County | 33 | 1952 | Significant | Poor |
| Collington Facility 14 Swm Dam Prince George's County | 16 | 1992 | Low | Poor |
| Columbia Creek Dam Wicomico County | 17 | 1987 | Low | Poor |
| Coulbourn Mill Dam (South Division Street) Wicomico County | 12 | 1947 | High | Poor |
| Country Meadows Swm Pond Howard County | 17 | 1988 | Significant | Poor |
| Dobbin Road Swm Pond Howard County | 36 | 1987 | Significant | Poor |
| Dodd Farm Pond Queen Anne's County | 27 | 1984 | Low | Poor |
| Druid Hill Lake Reservoir and Storage Tanks Baltimore City County | 118 | 1871 | High | Poor |
| Dry Run Detention Dam and Culvert Allegany County | 16 | 1949 | High | Poor |
| Fairlee Lake Kent County | 20 | 1828 | Low | Poor |
| Frostburg Reservoir Garrett County | 46 | 1990 | High | Poor |
| Gilbert Run Dam 1 (Trinity Church) Charles County | 41 | 1964 | Significant | Poor |
| Gilbert Run Dam 2 (Wheatley) Charles County | 37 | 1968 | Significant | Poor |
| Greenspring East Swm Pond No. 3 (Stream Crossing Road) Baltimore County | 34 | 1995 | Low | Poor |
| Guilford Road Dam Howard County | — | — | Significant | Poor |
| Hanson Oaks Swm (Bmp Structure 1558-002) Prince George's County | 20 | 1900 | High | Poor |
| Henson Creek Flood Control Dam #17 Prince George's County | 22 | 1992 | High | Poor |
Page 1 of 3Next
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.