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 901–925 of 3,759
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Soap Creek Watershed Site 4-99 Appanoose County | 29 | 2004 | Low | Not Rated |
| Soap Creek Watershed Site 4-98 Appanoose County | 33 | 2005 | Low | Not Rated |
| Soap Creek Watershed Site 4-94 Appanoose County | 29 | 2004 | Low | Not Rated |
| Soap Creek Watershed Site 4-93 Appanoose County | 32 | 2004 | Low | Not Rated |
| Soap Creek Watershed Site 4-91 Appanoose County | 27 | 2005 | Low | Not Rated |
| Soap Creek Watershed Site 4-90b Appanoose County | 25 | 2011 | Low | Not Rated |
| Soap Creek Watershed Site 4-90a Appanoose County | 36 | 2011 | Low | Not Rated |
| Soap Creek Watershed Site 4-88 Appanoose County | 29 | 1992 | Low | Not Rated |
| Soap Creek Watershed Site 4-87 Appanoose County | 30 | 1992 | Low | Not Rated |
| Soap Creek Watershed Site 4-86 Appanoose County | 30 | 2010 | Low | Not Rated |
| Soap Creek Watershed Site 4-84 Appanoose County | 32 | 2009 | Low | Not Rated |
| Soap Creek Watershed Site 4-81 Appanoose County | 32 | 2007 | Low | Not Rated |
| Soap Creek Watershed Site 4-79 Appanoose County | 33 | 2007 | Low | Not Rated |
| Soap Creek Watershed Site 4-78 Appanoose County | 28 | 2007 | Low | Not Rated |
| Soap Creek Watershed Site 4-77 Appanoose County | 30 | 2007 | Low | Not Rated |
| Soap Creek Watershed Site 4-73 Appanoose County | 27 | 2005 | Low | Not Rated |
| Soap Creek Watershed Site 4-58 Appanoose County | 28 | 1992 | Low | Not Rated |
| Soap Creek Watershed Site 4-57b Appanoose County | 29 | 1992 | Low | Not Rated |
| Soap Creek Watershed Site 4-57a Appanoose County | 40 | 1992 | Low | Not Rated |
| Soap Creek Watershed Site 4-56 Appanoose County | 27 | 1998 | Low | Not Rated |
| Soap Creek Watershed Site 4-54 Appanoose County | 28 | 1992 | Low | Not Rated |
| Soap Creek Watershed Site 4-48 Appanoose County | 29 | 2005 | Low | Not Rated |
| Soap Creek Watershed Site 4-44 Appanoose County | 30 | 2003 | Low | Not Rated |
| Soap Creek Watershed Site 4-40b Appanoose County | 26 | 1998 | Low | Not Rated |
| Soap Creek Watershed Site 4-39 Appanoose County | 22 | 2001 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.