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 |
|---|---|---|---|---|---|---|---|
| North Pigeon Cr Watershed Site M | Iowa | Pottawattamie | 17 | Low | Not Rated | 1996 | Fire Protection, Stock, Or ... |
| Lucas County Roadgrade Dam 14-71-21 | Iowa | Lucas | 17 | Low | Not Rated | 1968 | Other |
| Big Wyacondah Watershed Site 35 | Iowa | Davis | 17 | Low | Not Rated | 1966 | Fire Protection, Stock, Or ... |
| Jordan Creek Mall - South Dam | Iowa | Dallas | 17 | Significant | Satisfactory | 2006 | |
| Jordan Creek Mall - Northwest Dam | Iowa | Dallas | 17 | Significant | Satisfactory | 2006 | |
| East Fork Big Cr Watershed Site E-10 | Iowa | Decatur | 17 | Low | Not Rated | 1990 | Flood Risk Reduction |
| South Ridge Estates - East Dam | Iowa | Sioux | 17 | High | Satisfactory | 2007 | Recreation |
| Sw Branch Dry Run Creek Stormwater Detention Dam | Iowa | Black Hawk | 17 | High | Satisfactory | 2003 | Flood Risk Reduction |
| Coralville Dam - Amana Remedial Works | Iowa | Iowa | 17 | High | Not Available | 1958 | Flood Risk Reduction |
| Fairgrounds Dam | Iowa | Taylor | 16 | Low | Not Rated | 1980 | |
| Hunter Dam | Iowa | Madison | 16 | Low | Not Rated | 1999 | Fire Protection, Stock, Or ... |
| Clermont Milldam | Iowa | Fayette | 16 | Low | Not Rated | 1925 | Recreation |
| Elkader Milldam | Iowa | Clayton | 16 | Low | Not Rated | 1926 | Recreation |
| Stewart Dam | Iowa | Davis | 16 | Low | Not Rated | 2001 | Fire Protection, Stock, Or ... |
| Blackford Dam | Iowa | Wayne | 16 | Low | Not Rated | 1998 | Fire Protection, Stock, Or ... |
| Lake Oelwein Dam | Iowa | Fayette | 16 | Low | Not Rated | 1908 | Recreation |
| Kelso Dam | Iowa | Wayne | 16 | Low | Not Rated | 1962 | Fire Protection, Stock, Or ... |
| Abild Dam | Iowa | Warren | 16 | Low | Not Rated | 1967 | Fire Protection, Stock, Or ... |
| Mc Murray Wetland Dam | Iowa | Wayne | 16 | Low | Not Rated | 1998 | Fish and Wildlife Pond |
| Gates Park Control Structure | Iowa | Black Hawk | 16 | Significant | Satisfactory | 1979 | Flood Risk Reduction |
| Ottumwa | Iowa | Wapello | 16 | Low | Satisfactory | 1960 | Hydroelectric |
| Big Wyacondah Watershed Site 44 | Iowa | Davis | 16 | Low | Not Rated | 1966 | Fire Protection, Stock, Or ... |
| Cedar Rapids Milldam (5 In 1) | Iowa | Linn | 16 | Significant | Satisfactory | 1978 | Hydroelectric |
| Soap Creek Watershed Site 26-37a | Iowa | Davis | 16 | Low | Not Rated | 1997 | Fire Protection, Stock, Or ... |
| Big Wyacondah Watershed Site 32-1 | Iowa | Davis | 16 | Low | Not Rated | 1966 | Fire Protection, Stock, Or ... |
| Big Wyacondah Watershed Site 27-J | Iowa | Davis | 16 | Low | Not Rated | 1966 | Fire Protection, Stock, Or ... |
| East Fork Big Cr Watershed Site E-4 | Iowa | Decatur | 16 | Low | Not Rated | 1990 | Flood Risk Reduction |
| Clinton Flood Control - First Congregational Church Dam | Iowa | Clinton | 16 | High | Satisfactory | 1987 | Flood Risk Reduction |
| Kistler Dam | Iowa | Jefferson | 15 | Low | Not Rated | 1987 | Irrigation |
| Adel Milldam | Iowa | Dallas | 15 | Low | Not Rated | 1927 | Water Supply |
| Francois Dam | Iowa | Delaware | 15 | Low | Not Rated | 1998 | Fire Protection, Stock, Or ... |
| Littlefield Silt Control Dam | Iowa | Audubon | 15 | Low | Not Rated | 1987 | Other |
| Southpoint Wetland Mitigation Dam | Iowa | Polk | 15 | Low | Satisfactory | 2004 | Fish and Wildlife Pond |
| R&L/Mclaughlin Dam | Iowa | Cerro Gordo | 15 | Low | Not Rated | 2011 | |
| Deere & Co. Dam | Iowa | Scott | 15 | Low | Not Rated | 1980 | Flood Risk Reduction |
| Marble Rock Milldam | Iowa | Floyd | 15 | Low | Not Rated | 1913 | Recreation |
| Fox Run Development - Lower Dam | Iowa | Mahaska | 15 | Significant | Not Rated | 1996 | Flood Risk Reduction |
| Cedar Lake Dam | Iowa | Linn | 15 | Low | - | - | Flood Risk Reduction |
| John Deere Tcao Dam | Iowa | Black Hawk | 15 | Significant | Satisfactory | 1980 | Flood Risk Reduction |
| Big Wyacondah Watershed Site 43 | Iowa | Davis | 15 | Low | Not Rated | 1966 | Fire Protection, Stock, Or ... |
| Red Rock Dam - Avon Station Remedial Works | Iowa | Polk | 15 | High | Not Available | 1969 | Flood Risk Reduction |
| Meinking Marsh Dam | Iowa | Dickinson | 14 | Low | Not Rated | 1992 | Recreation |
| Fontana Milldam | Iowa | Buchanan | 14 | Low | Not Rated | 1962 | Recreation |
| Tierney Dam | Iowa | Keokuk | 14 | Low | - | 2002 | |
| Jellison Wetland Dam | Iowa | Benton | 14 | Low | - | 2021 | Recreation |
| Iowa Noname90 | Iowa | Jasper | 14 | Low | Not Rated | 1979 | Recreation |
| Wildlands For The Future Dam | Iowa | Monroe | 14 | Low | Not Rated | 1991 | Other |
| Lake Business Park Dam | Iowa | Dickinson | 14 | Low | Not Rated | 1995 | Other |
| Four D Partnership Dam | Iowa | Jackson | 14 | Low | Not Rated | 1999 | Fire Protection, Stock, Or ... |
| Central City Milldam | Iowa | Linn | 14 | Low | Not Rated | 1965 | 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.