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 151–175 of 4,124
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Bacon Creek Watershed Site H-2-1 Woodbury County | 59 | 1981 | Significant | Satisfactory |
| Bacon Creek Watershed Site H-2-2 Woodbury County | 51 | 1981 | Significant | Satisfactory |
| Bacon Creek Watershed Site H-3-1 Woodbury County | 55 | 1984 | Significant | Satisfactory |
| Bacon Creek Watershed Site H-3-2 Woodbury County | 46 | 1984 | Significant | Satisfactory |
| Bacon Creek Watershed Site J-1 Woodbury County | 46 | 1984 | Significant | Satisfactory |
| Bacon Creek Watershed Site J-2 Woodbury County | 50 | 1988 | Low | Not Rated |
| Bacon Creek Watershed Site J-3 Woodbury County | 53 | 1989 | Significant | Satisfactory |
| Bacon Creek Watershed Site J-4 Woodbury County | 20 | 1985 | Low | Not Rated |
| Bacon Creek Watershed Site J-5 Woodbury County | 23 | 1984 | Significant | Poor |
| Bacon Creek Watershed Site K-1 Woodbury County | 39 | 1976 | Low | Not Rated |
| Bacon Creek Watershed Site L-1 Plymouth County | 53 | 1976 | Low | Not Rated |
| Bacon Creek Watershed Site L-2 Woodbury County | 25 | 1976 | Low | Not Rated |
| Bacon Creek Watershed Site L-3 Woodbury County | 46 | 1976 | Low | Not Rated |
| Bacon Creek Watershed Site M-1 Plymouth County | 32 | 1976 | Low | Not Rated |
| Badger Creek Lake Site 2 Madison County | 26 | 2017 | Low | Not Rated |
| Badger Creek Watershed Site 11-1 Madison County | 29 | 1974 | Low | Not Rated |
| Badger Creek Watershed Site 14-1 Madison County | 36 | 1984 | Significant | Fair |
| Badger Creek Watershed Site 19-3 Madison County | 27 | 1974 | Low | Not Rated |
| Badger Creek Watershed Site 19-5 Madison County | 32 | 1974 | Significant | Satisfactory |
| Badger Creek Watershed Site 26-1 Madison County | 29 | 1961 | Low | Not Rated |
| Badger Creek Watershed Site 29-1 Madison County | 29 | 1973 | Low | Not Rated |
| Badger Creek Watershed Site 30-1 Madison County | 39 | 1961 | Low | Not Rated |
| Badger Creek Watershed Site 30-2 Madison County | 32 | 1963 | Low | Not Rated |
| Badger Creek Watershed Site 30-3 Madison County | 27 | 1984 | 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.