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 143
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Allen Pond (Nottinghill Drive) Prince George's County | 16 | 1972 | Low | Fair |
| Allen Town Pond (Allen Road) Somerset County | 8 | 1700 | Low | Fair |
| Amtrak Railroad Culvert 100.18 Baltimore City County | 24 | 1888 | Significant | Fair |
| Annapolis Reservoir Anne Arundel County | 15 | 1920 | Significant | Fair |
| Ashcroft Drive - Woodbridge Pond Prince George's County | 20 | — | High | Fair |
| Avenel - Tpc Dam #3 Montgomery County | 30 | 1986 | Low | Fair |
| Beechtree Dam Prince George's County | 50 | 2002 | Low | Fair |
| Big Meadows Farm Dam Kent County | 13 | 1979 | Low | Fair |
| Big Millpond Dam Worcester County | 9 | 1900 | Low | Fair |
| Bittinger Farm Pond Garrett County | 17 | 1968 | Low | Fair |
| Bowie Gateway Swm Pond Dam Prince George's County | 28 | 1992 | Low | Fair |
| Broad Creek Dam Harford County | 36 | 1948 | High | Fair |
| Burnt Mills Dam Montgomery County | 23 | 1930 | Significant | Fair |
| Calvert Gateway Calvert County | 16 | 2000 | Significant | Fair |
| Camden Avenue Dam Wicomico County | 12 | 1921 | Low | Fair |
| Campus Hills Pond Harford County | 23 | 1969 | Low | Fair |
| Carpenter Farm Pond Kent County | 9 | 1968 | Low | Fair |
| Carroll County Farm Museum Dam Carroll County | 20 | 1964 | Significant | Fair |
| Cash Lake Dam Prince George's County | 20 | 1939 | High | Fair |
| Catonsville Community Park Regional Swm Pond Dam (Ba-359) Baltimore County | 21 | 1985 | High | Fair |
| Cecil Sand and Gravel Pond 6 Cecil County | 49 | 2006 | Significant | Fair |
| Chesapeake Ranch Estates Dam (Chisolm Trail) Calvert County | 46 | 1965 | High | Fair |
| Chestertown Stablization Pond No. 1 Kent County | 29 | 1967 | Low | Fair |
| Christie Estates Swm Dam (Lindenwood Drive) Montgomery County | 21 | 1991 | Low | Fair |
| Clair Peake Dam (Md 235) St. Mary's County | 26 | 1983 | Low | Fair |
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.