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 |
|---|---|---|---|---|---|---|---|
| Weber Creek Subwatershed Site M-11136 | Iowa | Woodbury | 27 | Low | Not Rated | 1955 | Fire Protection, Stock, Or ... |
| Lum Hollow Subwatershed 12-10865 | Iowa | Woodbury | 27 | Low | Not Rated | 1959 | Fire Protection, Stock, Or ... |
| Badger Creek Watershed Site 30-3 | Iowa | Madison | 27 | Low | Not Rated | 1984 | Fire Protection, Stock, Or ... |
| Lum Hollow Subwatershed 7-2982 | Iowa | Woodbury | 27 | Low | Not Rated | 1959 | Fire Protection, Stock, Or ... |
| Tucker/Rath/Sewell Dam | Iowa | Crawford | 27 | Low | Not Rated | 1965 | Fire Protection, Stock, Or ... |
| Soap Creek Watershed Site 90-97 | Iowa | Wapello | 27 | Low | Not Rated | 1997 | |
| Troublesome Cr Watershed Site 60-1 | Iowa | Guthrie | 27 | Low | Not Rated | 1984 | Fire Protection, Stock, Or ... |
| Walters Creek Watershed Site 29-3 | Iowa | Adams | 27 | Low | Not Rated | 1969 | Fire Protection, Stock, Or ... |
| Big Wyacondah Watershed Site 24 | Iowa | Davis | 27 | Low | Not Rated | 1966 | Fire Protection, Stock, Or ... |
| Mosquito of Harrison Watershed Site C-1 | Iowa | Harrison | 27 | Low | Not Rated | 1990 | Fire Protection, Stock, Or ... |
| Ryan Henschal Watershed Site F-1 | Iowa | Pottawattamie | 27 | Low | Not Rated | 1965 | Fire Protection, Stock, Or ... |
| Big Wyacondah Watershed Site 21b-1 | Iowa | Davis | 27 | Low | Not Rated | 1976 | Fire Protection, Stock, Or ... |
| Steinbeck/Iowa Dnr | Iowa | Washington | 27 | Low | Not Rated | 2003 | Grade Stabilization |
| Nutt Hollow Subwatershed Site M-12855 | Iowa | Monona | 27 | Low | Not Rated | 1958 | Fire Protection, Stock, Or ... |
| Badger Creek Watershed Site 35-1 | Iowa | Madison | 27 | Low | Not Rated | 1961 | Fire Protection, Stock, Or ... |
| Big Wyacondah Watershed Site 38-A | Iowa | Davis | 27 | Low | Not Rated | 1971 | Fire Protection, Stock, Or ... |
| Big Wyacondah Watershed Site 20 | Iowa | Davis | 27 | Low | Not Rated | 1971 | Fire Protection, Stock, Or ... |
| Walters Creek Watershed Site 24-3 | Iowa | Adams | 27 | Low | Not Rated | 1968 | Fire Protection, Stock, Or ... |
| Bear Creek Watershed Site 48 | Iowa | Winneshiek | 27 | Low | Not Rated | 2005 | Flood Risk Reduction |
| English Bench Watershed Site 2 | Iowa | Allamakee | 27 | Low | Not Rated | 1969 | Fire Protection, Stock, Or ... |
| Honey Creek Watershed Site C-7 | Iowa | Lucas | 27 | Low | Not Rated | 1954 | Fire Protection, Stock, Or ... |
| Ralston Subwatershed Site M-2 | Iowa | Cherokee | 27 | Low | Not Rated | 1969 | Fire Protection, Stock, Or ... |
| Badger Creek Watershed Site 19-3 | Iowa | Madison | 27 | Low | Not Rated | 1974 | Fire Protection, Stock, Or ... |
| East Fork Grand River Watershed Site A-34 | Iowa | Union | 27 | Low | Not Rated | 2008 | Flood Risk Reduction |
| Soap Creek Watershed Site 26-71 | Iowa | Davis | 27 | Low | Not Rated | 1994 | Fire Protection, Stock, Or ... |
| Soap Creek Watershed Site 4-56 | Iowa | Appanoose | 27 | Low | Not Rated | 1998 | Fire Protection, Stock, Or ... |
| Warren Co. Conservatation Park Dam | Iowa | Warren | 27 | Low | Not Rated | 1961 | Recreation |
| Arnold-Armstrong Subwtrshd 64+00 #25 | Iowa | Monona | 27 | Low | Not Rated | 1961 | Fire Protection, Stock, Or ... |
| Mc Larty-Edwards Subwtrshd #M 100+30 | Iowa | Woodbury | 27 | Low | Not Rated | 1966 | Fire Protection, Stock, Or ... |
| Crawford Creek Subwatershed Site 13-2 | Iowa | Ida | 27 | Low | Not Rated | 1974 | Fire Protection, Stock, Or ... |
| Wolf Creek Subwatershed Site 5-1 | Iowa | Woodbury | 27 | Low | Not Rated | 1971 | Fire Protection, Stock, Or ... |
| Big Wyacondah Watershed Site 27-A-3 | Iowa | Davis | 27 | Low | Not Rated | 1971 | Fire Protection, Stock, Or ... |
| Soap Creek Watershed Site 4-91 | Iowa | Appanoose | 27 | Low | Not Rated | 2005 | Flood Risk Reduction |
| Elkhorn No.2 Subwatershed 1-5000 | Iowa | Plymouth | 27 | Low | Not Rated | 1961 | Fire Protection, Stock, Or ... |
| Soap Creek Watershed Site 90-95 | Iowa | Wapello | 27 | Low | Not Rated | 2003 | Flood Risk Reduction |
| Big Wyacondah Watershed Site 27-H | Iowa | Davis | 27 | Low | Not Rated | 1976 | Fire Protection, Stock, Or ... |
| Appanoose County Roadgrade Dam L-3-65 | Iowa | Appanoose | 27 | Low | Not Rated | 1964 | Fire Protection, Stock, Or ... |
| Davis-Battle Cr. Watershed Site F-1 | Iowa | Monona | 27 | Low | Not Rated | 1969 | Fire Protection, Stock, Or ... |
| Diamond Lake Watershed Site B-8 | Iowa | Poweshiek | 27 | Significant | Fair | 1971 | Fire Protection, Stock, Or ... |
| Zellmer Subwtrshd #B 22+50 | Iowa | Woodbury | 27 | Low | Not Rated | 1964 | Fire Protection, Stock, Or ... |
| Sopa Creek Watershed Site 4-40a | Iowa | Appanoose | 27 | Low | Not Rated | 1998 | Fire Protection, Stock, Or ... |
| Davis-Battle Cr. Watershed Site G-2 | Iowa | Monona | 27 | Low | Not Rated | 1966 | Fire Protection, Stock, Or ... |
| Mc Call Subwatershed Site 8-1 | Iowa | Monona | 27 | Low | Not Rated | 1964 | Fire Protection, Stock, Or ... |
| Soap Creek Watershed Site 26-32 | Iowa | Davis | 27 | Low | Not Rated | 1995 | Fire Protection, Stock, Or ... |
| Soap Creek Watershed Site 4-73 | Iowa | Appanoose | 27 | Low | Not Rated | 2005 | Flood Risk Reduction |
| Big Wyacondah Watershed Site 27-G-2 | Iowa | Davis | 27 | Low | Not Rated | 1971 | Fire Protection, Stock, Or ... |
| East Fork Grand River Watershed Site E-38 | Iowa | Ringgold | 27 | Low | Not Rated | 2006 | Flood Risk Reduction |
| Upper Locust Watershed Site L-5 | Iowa | Wayne | 27 | Low | Not Rated | 1999 | Fire Protection, Stock, Or ... |
| Twelve Mile Creek Watershed Site 72-1 | Iowa | Union | 27 | Low | Not Rated | 1979 | Fire Protection, Stock, Or ... |
| West Fork Big Creek Watershed Site W-11 | Iowa | Ringgold | 27 | Low | Not Rated | 2000 | 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.