Browse Dams
4,128 dams in the National Inventory of Dams.
National Inventory of Dams
Browse 4,128 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 |
|---|---|---|---|---|---|---|---|
| Badger Creek Watershed Site 33-1 | Iowa | Madison | 30 | Low | Not Rated | 1973 | Fire Protection, Stock, Or ... |
| Neustrom Subwatershed Site M-1 | Iowa | Woodbury | 30 | Low | Not Rated | 1971 | Fire Protection, Stock, Or ... |
| Turkey Cr Watershed Site 10-58 | Iowa | Cass | 30 | Low | Not Rated | 1972 | Fire Protection, Stock, Or ... |
| Simon Run Watershed Site 5-2 | Iowa | Pottawattamie | 30 | Low | Not Rated | 1976 | Fire Protection, Stock, Or ... |
| Gant Creek Watershed Site D-6 | Iowa | Plymouth | 30 | Low | Not Rated | 1967 | Fire Protection, Stock, Or ... |
| Parnell Creek Subwatershed Site M-6 | Iowa | Woodbury | 30 | Low | Not Rated | 1968 | Fire Protection, Stock, Or ... |
| Crawford Creek Subwatershed Site 13e-1 | Iowa | Ida | 30 | Low | Not Rated | 1974 | Fire Protection, Stock, Or ... |
| Tug Creek Roadgrade - East Dam | Iowa | Van Buren | 30 | Low | Not Rated | 1990 | Other |
| Troublesome Cr Watershed Site 42-1 | Iowa | Audubon | 30 | Low | Not Rated | 1979 | Fire Protection, Stock, Or ... |
| Bear Creek Watershed Site 51 | Iowa | Winneshiek | 30 | Low | Not Rated | 2005 | Flood Risk Reduction |
| Wolf Creek Subwatershed Site M-2 | Iowa | Woodbury | 30 | Low | Not Rated | 1971 | Fire Protection, Stock, Or ... |
| Davids Creek Watershed Site 14-2 | Iowa | Audubon | 30 | Low | Not Rated | 1966 | Fire Protection, Stock, Or ... |
| Little River Watershed Site 65-2 | Iowa | Decatur | 30 | Low | Not Rated | 1980 | Flood Risk Reduction |
| Mill Picayune Watershed Site S-8-1 | Iowa | Harrison | 30 | Low | Not Rated | 1985 | Fire Protection, Stock, Or ... |
| Walters Creek Watershed Site D-23-2 | Iowa | Adams | 30 | Low | Not Rated | 1972 | Fire Protection, Stock, Or ... |
| Troublesome Cr Watershed Site 48-3 | Iowa | Audubon | 30 | Low | Not Rated | 1982 | Fire Protection, Stock, Or ... |
| Troublesome Cr Watershed Site 81-6 | Iowa | Audubon | 30 | Low | Not Rated | 1984 | Fire Protection, Stock, Or ... |
| Soap Creek Watershed Site 90-112 | Iowa | Wapello | 30 | Low | Not Rated | 2003 | Flood Risk Reduction |
| Twelve Mile Creek Watershed Site 73 | Iowa | Union | 30 | Low | Not Rated | 1979 | Fire Protection, Stock, Or ... |
| Mc Larty-Edwards Subwtrshd Sta 35+50 #1 | Iowa | Woodbury | 30 | Low | Not Rated | 1966 | Fire Protection, Stock, Or ... |
| Turkey Cr Watershed Site 19-9 | Iowa | Cass | 30 | Low | Not Rated | 1972 | Fire Protection, Stock, Or ... |
| Soap Creek Watershed Site 4-87 | Iowa | Appanoose | 30 | Low | Not Rated | 1992 | Flood Risk Reduction |
| Pleasant Valley Subwtrshd #2 Sta 50+00 | Iowa | Ida | 30 | Low | Not Rated | 1963 | Fire Protection, Stock, Or ... |
| Wayne Co. Roadgrade Dam - Stokes Site | Iowa | Wayne | 30 | Low | Not Rated | 1996 | Other |
| Three Mile Creek Watershed Site 65 | Iowa | Adair | 30 | Low | Not Rated | 1968 | Fire Protection, Stock, Or ... |
| Turkey Cr Watershed Site 19-19 | Iowa | Cass | 30 | Low | Not Rated | 1974 | Fire Protection, Stock, Or ... |
| Troublesome Cr Watershed Site 50-2 | Iowa | Audubon | 30 | Low | Not Rated | 1979 | Fire Protection, Stock, Or ... |
| Soap Creek Watershed Site 26-74 | Iowa | Davis | 30 | Low | Not Rated | 1995 | Fire Protection, Stock, Or ... |
| Twelve Mile Creek Watershed Site 35-2 | Iowa | Union | 30 | Low | Not Rated | 1986 | Fire Protection, Stock, Or ... |
| Barber Hollow Subwtrshed Site 5-H-3865 | Iowa | Monona | 30 | Low | Not Rated | 1967 | Fire Protection, Stock, Or ... |
| East Fork Grand River Watershed Site E-51 | Iowa | Ringgold | 30 | Low | Not Rated | 2006 | Flood Risk Reduction |
| Arlington Subwatershed Sta 26+80 #12 | Iowa | Plymouth | 30 | Low | Not Rated | 1965 | Fire Protection, Stock, Or ... |
| Twelve Mile Creek Watershed Site 62-4 | Iowa | Union | 30 | Low | Not Rated | 1979 | Fire Protection, Stock, Or ... |
| Zellmer Subwtrshd Sta 54+60 #B1 | Iowa | Woodbury | 30 | Low | Not Rated | 1964 | Fire Protection, Stock, Or ... |
| East Fork Grand River Watershed Site E58b | Iowa | Ringgold | 30 | Low | Not Rated | 2010 | Flood Risk Reduction |
| West Fork One Subwatershed Site 1-5000 | Iowa | Woodbury | 30 | Low | Not Rated | 1955 | Fire Protection, Stock, Or ... |
| Soap Creek Watershed Site 68-71a | Iowa | Monroe | 30 | Low | Not Rated | 2010 | Flood Risk Reduction |
| Soap Creek Watershed Site 68-32 | Iowa | Monroe | 30 | Low | Not Rated | 2007 | Flood Risk Reduction |
| Soap Creek Watershed Site 4-77 | Iowa | Appanoose | 30 | Low | Not Rated | 2007 | Flood Risk Reduction |
| Soap Creek Watershed Site 8-76a | Iowa | Monroe | 30 | Low | Not Rated | 2007 | Flood Risk Reduction |
| Soap Creek Watershed Site 90-75 | Iowa | Wapello | 30 | Low | Not Rated | 2011 | Flood Risk Reduction |
| Soap Creek Watershed Site 90-102 | Iowa | Wapello | 30 | Low | Not Rated | 2007 | Flood Risk Reduction |
| Wendl Dam | Iowa | Carroll | 29 | Low | Not Rated | 1959 | Fire Protection, Stock, Or ... |
| Baudler Dam | Iowa | Adair | 29 | Low | Not Rated | 2004 | |
| Knutsen Dam | Iowa | Madison | 29 | Low | Not Rated | 1990 | Fire Protection, Stock, Or ... |
| Klinker Dam | Iowa | Clarke | 29 | Low | Not Rated | 2009 | Grade Stabilization |
| Queck Dam | Iowa | Madison | 29 | Low | Not Rated | 2001 | Fire Protection, Stock, Or ... |
| Robinson Dam | Iowa | Montgomery | 29 | Low | — | 2021 | Grade Stabilization |
| Cooper Dam | Iowa | Lucas | 29 | Low | Not Rated | 1994 | Fire Protection, Stock, Or ... |
| Stephens Dam | Iowa | Ringgold | 29 | Low | Not Rated | 2003 | Fire Protection, Stock, Or ... |
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.