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Browse Dams

425 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 425 dams from the NID database. Each record includes dam name, location, physical dimensions, hazard potential classification, condition assessment, purpose, owner information, and emergency action plan status. Use the filters below to search by state, hazard level, condition, or keyword.

Name State County Height (ft) Hazard Condition Year Purpose
Saefern Dam Maryland Anne Arundel 26 Low Fair 1967 Recreation
Milestone Swm Pond No. 4 Maryland Montgomery 26 Low Satisfactory 1995 Flood Risk Reduction
Sunderland Railroad Embankment Pond Maryland Calvert 25 Low Poor 1850 Recreation
Tower Oaks Maryland Montgomery 25 Low Satisfactory 1999 Flood Risk Reduction
Railroad Branch Swm Pond Maryland Montgomery 25 High Satisfactory 1990 Flood Risk Reduction
Koteen Property Dam Maryland Montgomery 25 Low Not Rated 1991 Flood Risk Reduction
Platter Farm Pond Maryland Garrett 25 Low Fair 1968 Recreation
Chesapeake Bay Golf Club North East Dam Maryland Cecil 25 Significant Unsatisfactory 1990 Irrigation
Long Hollow Dam Maryland Washington 25 Low Poor 1940 Recreation
Collington Life Care Center Lake Maryland Prince George's 25 Low Not Rated 1986 Flood Risk Reduction
Urbana Maryland Frederick 25 Low Satisfactory 1963 Recreation
Stonegate Swm Dam (Cherryfield Road) Maryland Prince George's 25 Low Satisfactory 2003 Flood Risk Reduction
Falls Road Golf Course Maryland Montgomery 25 High Satisfactory 1990 Irrigation
West Farm Regional Swm Pond Maryland Montgomery 25 Significant Satisfactory 1987 Flood Risk Reduction
Shores of Calvert Upper Dam (Rivershore Drive) Maryland Calvert 25 Significant Poor 1972 Recreation
Elk Neck State Park Dam Maryland Cecil 25 Low Unsatisfactory 1960 Recreation
Poolesville Public Golf Course Maryland Montgomery 25 Low Satisfactory 1953 Recreation
Roberts Field Basin 1 (North Woods Trail At Boxwood) Maryland Carroll 25 Significant Fair 1992 Flood Risk Reduction
Herrington Manor Maryland Garrett 24 Low Satisfactory 1938 Recreation
Riggs Farm Pond Maryland Howard 24 Low — 1988 Recreation
Wheaton Regional Park Dam Maryland Montgomery 24 Significant Fair 1962 Recreation
Cecil Sand and Gravel Pond 7 Maryland Cecil 24 Significant Satisfactory 2017 Tailings
Marlton South Swm Dam Maryland Prince George's 24 Low Fair 2000 Flood Risk Reduction
Hunters Run Swm Dam Maryland Harford 24 Significant Satisfactory 1996 Flood Risk Reduction
Stoneleigh Community Pond (Stoneleigh Court) Maryland Calvert 24 Low Poor 1978 Recreation
Priestford Hills Maryland Harford 24 Low Fair 1974 Recreation
North Creek Dam Maryland Montgomery 24 Low Satisfactory 1977 Recreation
Camp Fretterd Miltary Reservation Dam Maryland Baltimore 24 Low Unsatisfactory 1967 Water Supply
Hurlock Oxidation Ponds Maryland Dorchester 24 Low — 1968 Other
Van Dusen Road Maryland Prince George's 24 Significant Poor 1979 Flood Risk Reduction
Chenoweth Farm Pond Maryland Baltimore 24 Low Satisfactory 1990 Recreation
Plumgar I Regional Swm Dam Maryland Montgomery 24 Low Not Rated 1989 Flood Risk Reduction
Amtrak Railroad Culvert 100.18 Maryland Baltimore City 24 Significant Fair 1888 Other
Beaglin Park Dam (Beaglin Park Drive) Maryland Wicomico 23 High Poor 1976 Recreation
Johnsons Pond Maryland Wicomico 23 Significant Fair 1936 Recreation
Windgate Swm Dam 3 (Burtons Cove Way) Maryland Anne Arundel 23 Significant Satisfactory 1994 Flood Risk Reduction
Burnt Mills Dam Maryland Montgomery 23 Significant Fair 1930 Recreation
Summerfield Swm Pond No. 1 (Chatsfield Way) Maryland Prince George's 23 High Poor 1994 Flood Risk Reduction
Rabbitt Road Swm Pond Maryland Montgomery 23 Low Not Rated 1981 Flood Risk Reduction
Campus Hills Pond Maryland Harford 23 Low Fair 1969 Recreation
Laurel Sand & Gravel Wash Pond Maryland Prince George's 23 Low — 1993 Other
Mc Allister Pond No. 1 Maryland Charles 22 Low Poor 1967 Irrigation
Lake of The Pines (Tarnans Branch Crossing) Maryland Anne Arundel 22 Significant Fair 1981 Recreation
Damazo Pond Maryland Frederick 22 Low Satisfactory 1975 Recreation
Little Bennett Golf Course Maryland Montgomery 22 Low Poor 1992 Irrigation
Ashton Community Pond Dam Maryland Montgomery 22 Significant Satisfactory 1959 Recreation
Greenbelt Dam Maryland Prince George's 22 High Satisfactory 1936 Recreation
Hobbits Glen Golf Course Dam Maryland Howard 22 Significant Satisfactory 1966 Irrigation
Glen Elyn Lower Dam (Forest Glen Drive) Maryland Harford 22 Significant Fair 1975 Recreation
Scull Farm Pond Maryland Caroline 22 Low Fair 1974 Recreation

Frequently Asked Questions

Hazard potential is based on the consequences of dam failure, not the condition of the dam. High hazard means loss of human life is probable. Significant means economic and environmental losses are expected but no probable loss of life. Low means minimal losses are expected. The classification considers downstream population, infrastructure, and environmental resources.

Condition ratings reflect the physical state of the dam based on periodic inspections. Satisfactory means no deficiencies found. Fair means minor issues exist but no immediate action needed. Poor means safety deficiencies require remedial action. Unsatisfactory means the dam is unsafe and immediate corrective action is required.

Yes. Use the search field above to find dams by name. You can also combine the search with state, hazard, and condition filters to narrow your results. Each dam record links to a detail page with complete information.