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 3326–3350 of 3,759
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Camp Creek Subwatershed Site M-4 Woodbury County | 44 | 1989 | Low | Not Rated |
| Camp Creek Subwatershed Site M-2a Woodbury County | 46 | 1989 | Low | Not Rated |
| Camp Creek Subwatershed Site 1-2 Woodbury County | 40 | 1992 | Low | Not Rated |
| Camp Creek Subwatershed Site 10-1 Woodbury County | 37 | 1998 | Low | Not Rated |
| Campbell/Jones/Milligan Dam Madison County | 27 | 1964 | Low | Not Rated |
| Campbell Farms Dam Washington County | 28 | 1974 | Low | Not Rated |
| Campbell Dam Ida County | 37 | 1964 | Low | Not Rated |
| Campbell Dam Polk County | 26 | 1988 | Low | Not Rated |
| Campbell Dam Ida County | 38 | 1997 | Low | Not Rated |
| Campbell Dam Crawford County | 37 | 1972 | Low | Not Rated |
| Camp Arrowhead Dam Wapello County | 36 | 1958 | Low | Not Rated |
| Buss Dam Harrison County | 30 | 2011 | Low | Not Rated |
| Buss Dam Harrison County | 34 | 1996 | Low | Not Rated |
| Busby Dam Polk County | 26 | 2005 | Low | Not Rated |
| Burns Dam Warren County | 29 | 1979 | Low | Not Rated |
| Burnham Dam Lucas County | 26 | 2002 | Low | Not Rated |
| Burlington Y-Camp Dam Des Moines County | 47 | 1966 | Low | Satisfactory |
| Burlington Street Dam Johnson County | 20 | 1906 | Low | Not Rated |
| Burkhart Dam Harrison County | 42 | 2010 | Low | Not Rated |
| Burhans Dam Madison County | 34 | 1972 | Low | Not Rated |
| Burgher Dam Appanoose County | 31 | 1989 | Low | Not Rated |
| Burg Dam Emmet County | 35 | 2000 | Low | Not Rated |
| Bugh Dam Cherokee County | 26 | 1966 | Low | Not Rated |
| Bufallo Creek Lake Dam Linn County | 12 | 1965 | Low | Not Rated |
| Buckmaster Dam Allamakee County | 35 | 1967 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.