Browse Dams

12,710 dams in the National Inventory of Dams.

National Inventory of Dams

Browse 12,710 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.

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Name State County Height (ft) Hazard Condition Year Purpose
Little Walnut Creek Conservancy District - Structure 3 Indiana Putnam 34 High Fair 1971 Flood Risk Reduction
Orange Reservoir Dam New Jersey Essex 34 High Fair 1958 Water Supply
Rowlett Creek WS SCS Site 10 Dam Texas Dallas 34 High Fair 1955 Flood Risk Reduction
East Keechi Creek WS SCS Site 7 Dam Texas Jack 34 High Fair 1965 Flood Risk Reduction
Mountain Creek WS SCS Site 9 Dam Texas Ellis 34 High Fair 1957 Flood Risk Reduction
Upper East Fk Laterals WS SCS Site 3b Dam Texas Collin 34 High Fair 1958 Flood Risk Reduction
Sugden Reservoir Dam Massachusetts Worcester 34 High Fair 1882 Recreation
White Hollow Dam New York Schuyler 34 Significant Fair 1936 Recreation
Highway Wyoming Johnson 34 Low Fair 1973 Irrigation
Hart Lake Dam Indiana Morgan 34 High Fair 1950 Recreation
Mukewater Creek WS SCS Site 10a Dam Texas Coleman 34 Significant Fair 1965 Flood Risk Reduction
Wailua Reservoir Hawaii Kauai 34 High Fair 1920 Irrigation
Canon No. 4 Wyoming Albany 34 Low Fair 1959 Irrigation
Big Blue Creek Idaho Owyhee 34 Significant Fair 1910 Other
Falta Pond Dam South Carolina Oconee 34 Low Fair - Fire Protection, Stock, Or ...
Regency Lake Dam North Carolina Iredell 34 Significant Fair - Recreation
Lake Hope Dam Ohio Vinton 34 Significant Fair 1939 Recreation
Trout Run No 4 Pennsylvania Northumberland 34 High Fair 1882 Water Supply
Farrington Dam New Jersey Middlesex 34 High Fair 1926 Water Supply
Aldrich Lake Dam Massachusetts Hampshire 34 Significant Fair 1934 Recreation
B Frank Finley Dam South Carolina Pickens 34 High Fair 1970 Recreation
Greers Ferry Nursery Pond Arkansas Cleburne 34 Low Fair 1972 Fish and Wildlife Pond
Thompson #2 Colorado Mesa 34 Low Fair 1953 Irrigation
W. Cherry Creek Det. #1 Colorado El Paso 34 Low Fair 1961 Flood Risk Reduction
Key Bar Water Hole #1 Wyoming Platte 34 Low Fair 2011 Irrigation
Brownlee Wisconsin Buffalo 34 High Fair 1859 Recreation
Darlton Lake Dam New York Delaware 34 Significant Fair 1967 Recreation
Freeman Wash Retarding Arizona Graham 34 High Fair 1963 Flood Risk Reduction
Upper East Fk Laterals WS SCS Site 5b Dam Texas Rockwall 34 High Fair 1955 Flood Risk Reduction
Springdale Estates Upper Dam North Carolina Wake 34 High Fair - Recreation
Spring Valley Lake Dam North Carolina Mecklenburg 34 Low Fair - Recreation
Snow Lake Dam North Carolina Avery 34 High Fair - Recreation
Twin Lakes Business Park Dam #2 North Carolina Mecklenburg 34 Significant Fair 1958 Recreation
Dibrell Dam North Carolina Rockingham 34 Low Fair - Recreation
Mirror Lake Dam Georgia Douglas 34 High Fair 1947 Recreation
Railroad Creek (Pa-615) Pennsylvania Bucks 34 High Fair 1977 Flood Risk Reduction
Heritage Harbour (Mastline Drive) Maryland Anne Arundel 34 Low Fair 1974 Recreation
Al Capone Wyoming Campbell 34 Low Fair 2007 Fish and Wildlife Pond
Third Creek Watershed Dam #11 North Carolina Iredell 34 Low Fair 1956 Flood Risk Reduction
Roanoke Creek Dam # 49a Virginia Charlotte 34 Significant Fair 1962 Flood Risk Reduction
SCS-Upper Black Bear Creek Site-71a Oklahoma Noble 34 Significant Fair 1979 Flood Risk Reduction
Plum Creek WS SCS Site 18 Dam Texas Caldwell 34 High Fair 1964 Flood Risk Reduction
SCS-Kickapoo Sandy Creek Site-Bj1 Oklahoma Murray 34 High Fair 1963 Flood Risk Reduction
Park Place No 3 Pennsylvania Schuylkill 34 High Fair 1909 Water Supply
Beaver Creek Dam North Carolina Franklin 34 Low Fair 1986 Recreation
Sylvester Stenftenagel Indiana Pike 34 Low Fair - Recreation
Oknoname 30074 Oklahoma Logan 34 Low Fair 2000 Other
T55nr75w23swne Wyoming Campbell 34 Low Fair 2002 Fire Protection, Stock, Or ...
Wildwood Conservancy District Dam Indiana Morgan 34 High Fair 1964 Recreation
Coneross Creek WCD Dam 21 South Carolina Oconee 34 High Fair 1963 Flood Risk Reduction

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.