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 326–350 of 425
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Falls Road Golf Course Montgomery County | 25 | 1990 | High | Satisfactory |
| Fairlee Lake Kent County | 20 | 1828 | Low | Poor |
| Fairfield East Dam Montgomery County | 18 | 2004 | High | Fair |
| Emmitsburg Dam Frederick County | 30 | 1950 | High | Fair |
| Elk Neck State Park Dam Cecil County | 25 | 1960 | Low | Unsatisfactory |
| Elgin Farm Pond Kent County | 14 | 1965 | Low | Fair |
| Eden Mill Dam Harford County | 18 | 1917 | Significant | Fair |
| Eaton-Raimond Pond Kent County | 16 | 1960 | Low | Not Rated |
| Easton Secondary Sewage Lagoon Talbot County | 12 | 1962 | Low | Not Rated |
| Easton Primary Sewage Lagoon Talbot County | 15 | 1962 | Low | Not Rated |
| Dry Run Detention Dam and Culvert Allegany County | 16 | 1949 | High | Poor |
| Druid Hill Lake Reservoir and Storage Tanks Baltimore City County | 118 | 1871 | High | Poor |
| Don Pleasants Dam Allegany County | 50 | 1977 | Significant | Satisfactory |
| Dodd Farm Pond Queen Anne's County | 27 | 1984 | Low | Poor |
| Dobbin Road Swm Pond Howard County | 36 | 1987 | Significant | Poor |
| Diversified Lane Pond Dam Howard County | 8 | 1992 | Significant | Satisfactory |
| Deep Creek Dam Garrett County | 85 | 1925 | High | Fair |
| Daniels Dam Baltimore County | 27 | 1833 | Low | Fair |
| Damazo Pond Frederick County | 22 | 1975 | Low | Satisfactory |
| Crofton Farms Regional Swm Pond Anne Arundel County | 15 | 1998 | Low | Satisfactory |
| Cristal Global Hawkins Point Plant Settling Basins Anne Arundel County | 21 | 1960 | Low | Not Rated |
| Cranberry Branch Dam Carroll County | 32 | 1957 | Significant | Fair |
| Crabbs Branch Swm Facility (Redland Road) Montgomery County | 27 | 1983 | High | Satisfactory |
| Cox Creek Dmcf Anne Arundel County | 36 | 1960 | High | Satisfactory |
| Cove Point Lng Secondary Dam Calvert County | 38 | 1974 | Significant | Fair |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.