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 |
|---|---|---|---|---|---|---|---|
| Baker Subwatershed Site 1-3 | Iowa | Monona | 38 | Low | Not Rated | 1959 | Fire Protection, Stock, Or ... |
| Gant Creek Watershed Site B-1 | Iowa | Plymouth | 38 | Low | Not Rated | 1967 | Fire Protection, Stock, Or ... |
| Theobold Subwatershed 6975 | Iowa | Woodbury | 38 | Low | Not Rated | 1948 | Fire Protection, Stock, Or ... |
| Mill Picayune Watershed Site N-28-1 | Iowa | Shelby | 38 | Low | Not Rated | 1972 | Fire Protection, Stock, Or ... |
| Troublesome Cr Watershed Site 36-5 | Iowa | Audubon | 38 | Low | Not Rated | 1985 | Fire Protection, Stock, Or ... |
| Larson Dam | Iowa | Woodbury | 38 | Low | Not Rated | 1998 | Fire Protection, Stock, Or ... |
| Pierce Cr. No. 2 Site L-2 | Iowa | Page | 38 | Low | Not Rated | 1980 | Fire Protection, Stock, Or ... |
| Carstens & Stover Dam | Iowa | Crawford | 38 | Low | Not Rated | 1971 | Fire Protection, Stock, Or ... |
| Woodbury County Road Dam 8-87-44 | Iowa | Woodbury | 38 | Low | Not Rated | 2001 | Grade Stabilization |
| Phillips Subwatershed Site M-6600 | Iowa | Monona | 38 | Low | Not Rated | 1956 | Fire Protection, Stock, Or ... |
| Troublesome Cr Watershed Site 38-2 | Iowa | Audubon | 38 | Low | Not Rated | 1978 | Fire Protection, Stock, Or ... |
| Mosquito Creek Watershed Site 11-2-2 | Iowa | Harrison | 38 | Low | Not Rated | 1979 | Fire Protection, Stock, Or ... |
| Twelve Mile Creek Watershed Site D-35 | Iowa | Union | 38 | Low | Not Rated | 1988 | Fire Protection, Stock, Or ... |
| Campbell Dam | Iowa | Ida | 38 | Low | Not Rated | 1997 | Fire Protection, Stock, Or ... |
| Nowak Dam | Iowa | Harrison | 38 | Low | Not Rated | 2001 | Grade Stabilization |
| Wunschel Dam | Iowa | Ida | 38 | Low | Not Rated | 1997 | Fire Protection, Stock, Or ... |
| Dane Ridge Watershed Site C-3 | Iowa | Crawford | 38 | Low | Not Rated | 1968 | Fire Protection, Stock, Or ... |
| Phillips Subwatershed Site M-17312 | Iowa | Monona | 38 | Low | Not Rated | 1956 | Fire Protection, Stock, Or ... |
| Troublesome Cr Watershed Site 42-2 | Iowa | Audubon | 38 | Low | Not Rated | 1979 | Fire Protection, Stock, Or ... |
| Pleasant Valley Subwtrshd 1j-4550 | Iowa | Ida | 38 | Low | Not Rated | 1963 | Fire Protection, Stock, Or ... |
| Judge Dam | Iowa | Tama | 38 | Low | Not Rated | 1955 | Recreation |
| Behrendt Dam | Iowa | Monona | 38 | Low | Not Rated | 2014 | Grade Stabilization |
| Wenger Subwatershed Sta 16+00 #5 | Iowa | Woodbury | 38 | Low | Not Rated | 1965 | Fire Protection, Stock, Or ... |
| Kness Dam | Iowa | Monroe | 38 | Low | Not Rated | 1987 | Fire Protection, Stock, Or ... |
| Ledgewood Creek Watershed Site M-5 | Iowa | Fremont | 38 | Low | Not Rated | 1973 | Fire Protection, Stock, Or ... |
| Cunningham Ranch Dam | Iowa | Madison | 38 | Low | Not Rated | 1989 | Fire Protection, Stock, Or ... |
| Dane Ridge Watershed Site C-7 | Iowa | Crawford | 38 | Low | Not Rated | 1977 | Fire Protection, Stock, Or ... |
| Mill Picayune Watershed Site M-22-13 | Iowa | Shelby | 38 | Low | Not Rated | 1978 | Fire Protection, Stock, Or ... |
| Lum Hollow Subwatershed M-27785 | Iowa | Woodbury | 38 | Low | Not Rated | 1959 | Fire Protection, Stock, Or ... |
| Thomsen Dam | Iowa | Woodbury | 38 | Low | Not Rated | 1959 | Fire Protection, Stock, Or ... |
| Dickman Subwatershed Site 3-1 | Iowa | Woodbury | 38 | Low | Not Rated | 1973 | Fire Protection, Stock, Or ... |
| Lake Ellis Dam | Iowa | Lucas | 38 | Significant | Fair | 1993 | Water Supply |
| Maxwell Dam | Iowa | Woodbury | 38 | Low | Not Rated | 1960 | Fire Protection, Stock, Or ... |
| Big Whiskey 1 Subwatershed Site 3-1 | Iowa | Woodbury | 38 | Significant | Fair | 1968 | Fire Protection, Stock, Or ... |
| Anderson Dam | Iowa | Wapello | 38 | Low | Not Rated | 1999 | Fire Protection, Stock, Or ... |
| Stennett-Red Oak Watershed Site 3 | Iowa | Montgomery | 38 | Low | Not Rated | 1971 | Fire Protection, Stock, Or ... |
| Bishop/Barrows Dam | Iowa | Madison | 38 | Low | Not Rated | 1972 | Fire Protection, Stock, Or ... |
| Dunham Dam | Iowa | Johnson | 38 | Low | Not Rated | 1978 | Fire Protection, Stock, Or ... |
| Mc Aninch Dam | Iowa | Warren | 38 | Low | Not Rated | 1977 | Fire Protection, Stock, Or ... |
| Central Holding Co. Dam | Iowa | Carroll | 38 | Low | Not Rated | 1988 | Fire Protection, Stock, Or ... |
| Troublesome Cr Watershed Site 44-1 | Iowa | Audubon | 38 | Low | Not Rated | 1978 | Fire Protection, Stock, Or ... |
| English Bench Watershed Site 9 | Iowa | Allamakee | 38 | Low | Unsatisfactory | 1970 | Fire Protection, Stock, Or ... |
| Van Buren County Roadgrade Dam 10-70-11 | Iowa | Van Buren | 38 | Low | Not Rated | 1996 | Other |
| Mill Picayune Watershed Site B-3 | Iowa | Harrison | 38 | High | Satisfactory | 1962 | Flood Risk Reduction |
| Bitter Creek Subwatershed Site E-1 | Iowa | Ida | 38 | Low | Not Rated | 1995 | Fire Protection, Stock, Or ... |
| Youngren Dam | Iowa | Webster | 38 | Low | Not Rated | 1985 | Fire Protection, Stock, Or ... |
| Soap Creek Watershed Site 68-33a | Iowa | Monroe | 38 | Low | Not Rated | 2012 | Flood Risk Reduction |
| Pony Creek Watershed Site 31 | Iowa | Mills | 38 | Low | Not Rated | 1963 | Fire Protection, Stock, Or ... |
| Uhl Dam | Iowa | Woodbury | 38 | Low | Not Rated | 1969 | Fire Protection, Stock, Or ... |
| Jasper County Roadgrade Dam 15-81-20 | Iowa | Jasper | 38 | Low | Not Rated | 2005 | Grade Stabilization |
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.