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 |
|---|---|---|---|---|---|---|---|
| Ls Dennis Lindgren | Iowa | Ida | 35 | Low | - | 1995 | Grade Stabilization |
| White Dam | Iowa | Marion | 35 | Low | Not Rated | 1974 | Fire Protection, Stock, Or ... |
| Wiechmann/Rooks Dam | Iowa | Hardin | 35 | Low | Not Rated | 1968 | Fire Protection, Stock, Or ... |
| Soap Creek Watershed Site 68-61 | Iowa | Monroe | 35 | Low | Not Rated | 1994 | Fire Protection, Stock, Or ... |
| Reel Dam | Iowa | Van Buren | 35 | Low | Not Rated | 2002 | Fire Protection, Stock, Or ... |
| Iowa Noname35 | Iowa | Plymouth | 35 | Significant | Not Rated | 1967 | Fire Protection, Stock, Or ... |
| Fichter Dam | Iowa | Montgomery | 35 | Low | Not Rated | 1997 | Fire Protection, Stock, Or ... |
| Williams Dam | Iowa | Montgomery | 35 | Low | Not Rated | 2006 | Fire Protection, Stock, Or ... |
| Hickory Glen Park Dam | Iowa | Polk | 35 | Significant | Satisfactory | 2019 | Recreation |
| Polk County Roadgrade Dam 5-80-22 | Iowa | Polk | 35 | Low | Not Rated | 1996 | Other |
| Haroldsen Dam | Iowa | Buena Vista | 35 | Low | Not Rated | 1974 | Fire Protection, Stock, Or ... |
| Walton Lake Dam | Iowa | Jefferson | 35 | Significant | Satisfactory | 1900 | Water Supply |
| Wenger Dam | Iowa | Washington | 35 | Low | Not Rated | 2005 | Grade Stabilization |
| Lautner Dam | Iowa | Greene | 35 | Low | Not Rated | 2004 | Grade Stabilization |
| Mill Picayune Watershed Site M-24-7 | Iowa | Shelby | 35 | Low | Not Rated | 1972 | Fire Protection, Stock, Or ... |
| Smith Dam | Iowa | Decatur | 35 | Low | Not Rated | 1972 | Fire Protection, Stock, Or ... |
| Dane Ridge Watershed Site D-9 | Iowa | Crawford | 35 | Low | Not Rated | 1978 | Fire Protection, Stock, Or ... |
| Twelvemile Watershed Site D-60 | Iowa | Union | 35 | Low | Not Rated | 1999 | Fire Protection, Stock, Or ... |
| Big Park Watershed Site F-1 | Iowa | Crawford | 35 | Low | Not Rated | 1965 | Fire Protection, Stock, Or ... |
| Thomas Dam | Iowa | Cherokee | 35 | Low | Not Rated | 2000 | Fire Protection, Stock, Or ... |
| Troublesome Cr Watershed Site 81-4 | Iowa | Audubon | 35 | Low | Not Rated | 1975 | Fire Protection, Stock, Or ... |
| Mill Picayune Watershed Site P-4 | Iowa | Shelby | 35 | Low | Not Rated | 1995 | Fire Protection, Stock, Or ... |
| G&R Farms Dam | Iowa | Washington | 35 | Low | Not Rated | 1977 | Fire Protection, Stock, Or ... |
| Klockgether Dam | Iowa | Crawford | 35 | Low | Not Rated | 1962 | Fire Protection, Stock, Or ... |
| Staley & Rae Dam | Iowa | Crawford | 35 | Low | Not Rated | 1968 | Fire Protection, Stock, Or ... |
| Little Egypt Subwatershed 5-4730 | Iowa | Woodbury | 35 | Low | Not Rated | 1961 | Fire Protection, Stock, Or ... |
| Upper Pine Lake Dredge Spoil Dam | Iowa | Hardin | 35 | Low | Not Rated | 1998 | Other |
| Heritage Woods Dam | Iowa | Dallas | 35 | High | Satisfactory | 2008 | Recreation |
| Dessel Dam | Iowa | Cherokee | 35 | Low | Not Rated | 1963 | Fire Protection, Stock, Or ... |
| Arnold-Armstrong Subwtrshd Sta 23+00 | Iowa | Monona | 35 | Low | Not Rated | 1963 | Fire Protection, Stock, Or ... |
| Mc Grew Brothers Dam | Iowa | Mills | 35 | Low | Not Rated | 2001 | Fire Protection, Stock, Or ... |
| Deutsch Dam | Iowa | Marshall | 35 | Low | Not Rated | 1960 | Fire Protection, Stock, Or ... |
| Pemble Dam | Iowa | Greene | 35 | Low | Not Rated | 2001 | Fire Protection, Stock, Or ... |
| Troublesome Creek Watershed Site 78-4 | Iowa | Cass | 35 | Low | Not Rated | 1999 | Grade Stabilization |
| Arrowhead Investments Dam | Iowa | Madison | 35 | Low | - | 2020 | Grade Stabilization |
| Greenfield Dam | Iowa | Jefferson | 35 | Low | Not Rated | 1998 | Fire Protection, Stock, Or ... |
| Williams Dam | Iowa | Plymouth | 35 | Low | Not Rated | 1962 | Fire Protection, Stock, Or ... |
| Three Mile Creek Watershed Site 52-1 | Iowa | Union | 35 | Low | Not Rated | 1976 | Fire Protection, Stock, Or ... |
| Gothier No.2 Subwatershed M-10840 | Iowa | Woodbury | 35 | Low | Not Rated | 1964 | Fire Protection, Stock, Or ... |
| Hidden Acres Dam | Iowa | Webster | 35 | Low | Not Rated | 1990 | Recreation |
| Nodaway Lake Dam | Iowa | Adair | 35 | Significant | Fair | 1936 | Water Supply |
| Mill Picayune Watershed Site I-1 | Iowa | Harrison | 35 | Low | Not Rated | 1984 | Fire Protection, Stock, Or ... |
| Dutch Hollow Subwatershed Site 1-3 | Iowa | Woodbury | 35 | Low | Not Rated | 1991 | Fire Protection, Stock, Or ... |
| Brantley Dam | Iowa | Lucas | 35 | Low | Not Rated | 1979 | Fire Protection, Stock, Or ... |
| Walling Subwatershed Sta 20+86 #1b | Iowa | Woodbury | 35 | Low | Not Rated | 1953 | Fire Protection, Stock, Or ... |
| Bacon Creek Watershed Site A-2-6 | Iowa | Woodbury | 35 | Significant | Not Rated | 1978 | Flood Risk Reduction |
| Wolf Creek Subwatershed Site 3-2 | Iowa | Woodbury | 35 | Low | Not Rated | 1971 | Fire Protection, Stock, Or ... |
| Three Mile Creek Watershed Site 36 | Iowa | Union | 35 | Low | Not Rated | 1976 | Fire Protection, Stock, Or ... |
| Lake Morris Erosion Control Site 7 | Iowa | Lucas | 35 | Low | Not Rated | 1972 | Fire Protection, Stock, Or ... |
| Railroad Lake Dam | Iowa | Scott | 35 | Significant | Satisfactory | 1983 | 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.