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 2301–2325 of 4,124
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Kesler Dam Hamilton County | 32 | 1984 | Low | Not Rated |
| Kerschner Dam Appanoose County | 24 | 1984 | Low | Not Rated |
| Kerns Farms Dam Ringgold County | 24 | 1989 | Low | Not Rated |
| Kerndt Dam Allamakee County | 28 | 1975 | Low | Not Rated |
| Keokuk County Roadgrade Dam 8-74-10 Keokuk County | 22 | 1982 | Low | Not Rated |
| Keokuk County Roadgrade Dam 7-75-13 Keokuk County | 32 | 1982 | Low | Not Rated |
| Kent Park 1 East Dam Johnson County | 28 | 1997 | Low | Not Rated |
| Kent Dam Wayne County | 21 | 1970 | Low | Not Rated |
| Kent Dam Lucas County | 28 | 1976 | Low | Not Rated |
| Kent Dam Lucas County | 27 | 1981 | Low | Not Rated |
| Kent Dam Lucas County | 35 | 1974 | Low | Not Rated |
| Kent Dam Lucas County | 32 | 1977 | Low | Not Rated |
| Ken Southworth Jr. Dam Dubuque County | 36 | 2014 | Low | Not Rated |
| Kennett/Renfro Dam Greene County | 34 | 1971 | Low | Not Rated |
| Kennedy & Johns Dam Plymouth County | 40 | 1975 | Significant | Not Rated |
| Kenkel Dam Crawford County | 29 | 1961 | Low | Poor |
| Kendall Dam Monroe County | 29 | 1997 | Low | Not Rated |
| Kempkes Dam Madison County | 31 | 1999 | Low | Not Rated |
| Kemp/Crumly Dam Louisa County | 32 | 1972 | Low | Not Rated |
| Kelso Dam Wayne County | 16 | 1962 | Low | Not Rated |
| Kelly Dam Union County | 27 | 2002 | Low | Not Rated |
| Kellin Dam Decatur County | 31 | 1989 | Low | Not Rated |
| Keeron Dam Dallas County | 28 | 1969 | Low | Not Rated |
| Keenen Dam Jasper County | 34 | 1964 | Low | Not Rated |
| Kcc Farms Dam Taylor County | 26 | 2020 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.