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 |
|---|---|---|---|---|---|---|---|
| Lake Homestead Dam | Iowa | Jackson | 36 | Significant | Satisfactory | 1978 | Recreation |
| Glen Oaks Country Club Dam | Iowa | Polk | 36 | High | Satisfactory | 1950 | Recreation |
| Washington CO Road Dam 3-74-7 | Iowa | Washington | 36 | Low | Not Rated | 2002 | Grade Stabilization |
| Moorhead Dam | Iowa | Monona | 36 | Low | Not Rated | 1965 | Fire Protection, Stock, Or ... |
| Schlies Dam | Iowa | Monona | 36 | Low | Not Rated | 1997 | Fire Protection, Stock, Or ... |
| Lum Hollow Subwatershed M-17850 | Iowa | Woodbury | 36 | Low | Not Rated | 1959 | Fire Protection, Stock, Or ... |
| Lindberg/Johnson Dam | Iowa | Sac | 36 | Low | Not Rated | 1979 | Fire Protection, Stock, Or ... |
| Mill Picayune Watershed Site M-21-1 | Iowa | Shelby | 36 | Significant | Not Rated | 1980 | Fire Protection, Stock, Or ... |
| Quad Valley Subwatershed Site 1d-1 | Iowa | Ida | 36 | Low | Not Rated | 1967 | Fire Protection, Stock, Or ... |
| Arnold-Armstrong Subwtrshd Gully 23 | Iowa | Monona | 36 | Significant | Fair | 1961 | Fire Protection, Stock, Or ... |
| West Beaver Subwatershed Sta 97+07 | Iowa | Monona | 36 | Low | Not Rated | 1961 | Fire Protection, Stock, Or ... |
| Dane Ridge Watershed Site B-1 | Iowa | Crawford | 36 | Low | Not Rated | 1971 | Fire Protection, Stock, Or ... |
| Stone Dam | Iowa | Louisa | 36 | Low | Not Rated | 1988 | Fire Protection, Stock, Or ... |
| Bacon Creek Watershed Site A-1-1 | Iowa | Woodbury | 36 | High | Fair | 1978 | Flood Risk Reduction |
| Conley Dam 2 | Iowa | Cherokee | 36 | Low | Not Rated | 2002 | Fire Protection, Stock, Or ... |
| Holm Dam | Iowa | Madison | 36 | Low | Not Rated | 1972 | Fire Protection, Stock, Or ... |
| Stanzel Christian High School Dam | Iowa | Adair | 36 | Low | Not Rated | 1970 | Recreation |
| Cord Subwatershed M-5571 | Iowa | Woodbury | 36 | Low | Not Rated | 1957 | Fire Protection, Stock, Or ... |
| Petchulat Dam | Iowa | Johnson | 36 | Low | Not Rated | 1993 | Fire Protection, Stock, Or ... |
| Davis Subwatershed M-10843 | Iowa | Woodbury | 36 | Low | Not Rated | 1958 | Fire Protection, Stock, Or ... |
| Big Park Watershed Site D-3 | Iowa | Crawford | 36 | Low | Not Rated | 1960 | Fire Protection, Stock, Or ... |
| Mosquito Creek Watershed Site 13-1 | Iowa | Harrison | 36 | Low | Not Rated | 1968 | Fire Protection, Stock, Or ... |
| Windy Hill Subwatershed Site 5-1 | Iowa | Woodbury | 36 | Low | Not Rated | 1975 | Fire Protection, Stock, Or ... |
| Johnston Dam | Iowa | Marion | 36 | Low | Not Rated | 1973 | Fire Protection, Stock, Or ... |
| Montgomery Dam | Iowa | Cherokee | 36 | Low | Not Rated | 1961 | Fire Protection, Stock, Or ... |
| Mill Picayune Watershed Site M-1 | Iowa | Crawford | 36 | Significant | Not Rated | 1980 | Fire Protection, Stock, Or ... |
| Iowa Noname67 | Iowa | Crawford | 36 | Low | Not Rated | 1976 | Fire Protection, Stock, Or ... |
| Lincoln Dam | Iowa | Crawford | 36 | Low | Not Rated | 2004 | Fire Protection, Stock, Or ... |
| Twelve Mile Creek Watershed Site D-41-A-5 | Iowa | Union | 36 | Low | Not Rated | 2006 | Flood Risk Reduction |
| Parnell Creek Subwatershed Site 5-1 | Iowa | Woodbury | 36 | Low | Not Rated | 1969 | Fire Protection, Stock, Or ... |
| Chipp Dam | Iowa | Lucas | 36 | Low | Not Rated | 1996 | Fire Protection, Stock, Or ... |
| Mud Creek Subwatershed Site 15-1 | Iowa | Plymouth | 36 | Low | Not Rated | 1973 | Fire Protection, Stock, Or ... |
| Reames Dam | Iowa | Madison | 36 | Low | Not Rated | 1966 | Fire Protection, Stock, Or ... |
| Hound Dog Watershed Site B-7 | Iowa | Fremont | 36 | Low | Not Rated | 1962 | Fire Protection, Stock, Or ... |
| Mill Picayune Watershed Site M-24-10 | Iowa | Shelby | 36 | Low | Not Rated | 1964 | Fire Protection, Stock, Or ... |
| Jacobson Dam | Iowa | Crawford | 36 | Low | Not Rated | 1963 | Fire Protection, Stock, Or ... |
| Little Egypt Subwatershed Sta 29+82 #M | Iowa | Woodbury | 36 | Low | Not Rated | 1961 | Fire Protection, Stock, Or ... |
| Big Coon Subwatershed Site 3a-4 | Iowa | Woodbury | 36 | Low | Not Rated | 1999 | Fire Protection, Stock, Or ... |
| Soap Creek Watershed Site 4-90a | Iowa | Appanoose | 36 | Low | Not Rated | 2011 | Flood Risk Reduction |
| Blockton Watershed Site E-3 | Iowa | Taylor | 36 | Low | Not Rated | 1973 | Fire Protection, Stock, Or ... |
| Indian Creek Watershed Site 5 | Iowa | Pottawattamie | 36 | Low | Not Rated | 1965 | Fire Protection, Stock, Or ... |
| Little Whiskey Subwatershed Site 16-2 | Iowa | Woodbury | 36 | Low | Not Rated | 2001 | Flood Risk Reduction |
| Hopp Dam (Upper Site) | Iowa | Mills | 36 | Low | Not Rated | 2005 | Grade Stabilization |
| Freestone Dam | Iowa | Dallas | 36 | Low | Not Rated | 2000 | Fire Protection, Stock, Or ... |
| Engnell Dam | Iowa | Boone | 36 | Low | Not Rated | 1970 | Fire Protection, Stock, Or ... |
| Camp Arrowhead Dam | Iowa | Wapello | 36 | Low | Not Rated | 1958 | Recreation |
| Moorhead Pioneer Park Dam | Iowa | Ida | 36 | Low | Satisfactory | 1966 | Fire Protection, Stock, Or ... |
| Croy Subwatershed Site 1-1292 | Iowa | Monona | 36 | Low | Not Rated | 1952 | Fire Protection, Stock, Or ... |
| Turkey Cr Watershed Site 49-A | Iowa | Cass | 36 | Low | Not Rated | 1967 | Fire Protection, Stock, Or ... |
| Indian Cr-Van Buren Watershed Site 13 | Iowa | Van Buren | 36 | Low | Not Rated | 1988 | Other |
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.