Iowa Dams
4,124 dams tracked by the National Inventory of Dams
Total Dams
4,124
High Hazard
91
2.2%
Poor / Unsatisfactory
25
Average Age
46 yrs
Hazard Classification
High91 (2.2%)
Significant274 (6.6%)
Low3,759 (91.1%)
Condition Assessment
Satisfactory259 (6.3%)
Fair81 (2.0%)
Poor / Unsatisfactory25 (0.6%)
Not Rated3,759 (91.1%)
Federal
25
State
141
Local
1,938
Private
2,014
Tallest Dams
- Coralville Dam132 ft
- Saylorville Dam125 ft
- County Basin Dam104 ft
- Rathbun Dam100 ft
- Brushy Creek Dam100 ft
High Hazard Dams
- Coralville DamHigh
- Saylorville DamHigh
- Rathbun DamHigh
- Brushy Creek DamHigh
- Big Creek Barrier DamHigh
Poor Condition Dams
All Dams in Iowa
Showing 3926–3950 of 4,124
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Baker Dam Mahaska County | 25 | 1974 | Low | Not Rated |
| Baird Dam Wapello County | 24 | 2003 | Low | Not Rated |
| Bailey Carpenter Wrp Dike #2 Polk County | 8 | 2008 | Low | Not Rated |
| Bagnall Dam Jasper County | 26 | 1960 | Low | Not Rated |
| Badger Lake Dredge Spoil Dam Webster County | 25 | 1996 | Low | Not Rated |
| Badger Lake Dam Webster County | 35 | 1963 | Significant | Fair |
| Badger Creek Watershed Site M-1-A Madison County | 46 | 1980 | Significant | Satisfactory |
| Badger Creek Watershed Site 70-1 Madison County | 25 | 1962 | Low | Not Rated |
| Badger Creek Watershed Site 5-5 Madison County | 32 | 1985 | Low | Not Rated |
| Badger Creek Watershed Site 52-1 Madison County | 29 | 1962 | Low | Not Rated |
| Badger Creek Watershed Site 5-2 Madison County | 34 | 1985 | Low | Not Rated |
| Badger Creek Watershed Site 5-1 Madison County | 34 | 1984 | Low | Not Rated |
| Badger Creek Watershed Site 49-1 Madison County | 28 | 1962 | Low | Not Rated |
| Badger Creek Watershed Site 48-2 Madison County | 31 | 1985 | Low | Not Rated |
| Badger Creek Watershed Site 45-5 Madison County | 25 | 1962 | Low | Not Rated |
| Badger Creek Watershed Site 45-4 Madison County | 33 | 1962 | Low | Not Rated |
| Badger Creek Watershed Site 41-2 Madison County | 26 | 1963 | Low | Not Rated |
| Badger Creek Watershed Site 40-1 Madison County | 26 | 1974 | Low | Not Rated |
| Badger Creek Watershed Site 38-4 Madison County | 25 | 1963 | Low | Not Rated |
| Badger Creek Watershed Site 38-1 Madison County | 28 | 1963 | Low | Not Rated |
| Badger Creek Watershed Site 36-3 Madison County | 20 | 1984 | Low | Not Rated |
| Badger Creek Watershed Site 36-2 Madison County | 31 | 1961 | Low | Not Rated |
| Badger Creek Watershed Site 35-1 Madison County | 27 | 1961 | Low | Not Rated |
| Badger Creek Watershed Site 33-1 Madison County | 30 | 1973 | Low | Not Rated |
| Badger Creek Watershed Site 31-2 Madison County | 35 | 1961 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.