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 526–550 of 4,124
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Centerville Waterworks Dam Appanoose County | 22 | 1997 | Low | Not Rated |
| Central City Milldam Linn County | 14 | 1965 | Low | Not Rated |
| Central Holding Co. Dam Carroll County | 38 | 1988 | Low | Not Rated |
| Central Park Lake Dam Jones County | 23 | 1965 | Low | Not Rated |
| Chad Leffler Dam Monroe County | 29 | 2016 | Significant | Satisfactory |
| Chandler Dam Lucas County | 30 | 1958 | Low | Not Rated |
| Chappel Studio Pond Dam Jefferson County | 30 | 2005 | Low | Not Rated |
| Charbonneau Dam Keokuk County | 24 | 1972 | Low | Not Rated |
| Charles City Beauty Dam Floyd County | 7 | 1933 | Low | Not Rated |
| Charles City Milldam Floyd County | 10 | 1945 | Low | Not Rated |
| Charles Springer Dam Mahaska County | 21 | 1978 | Low | Not Rated |
| Charles Woods Lake Dam Monona County | 42 | 1974 | Low | Not Rated |
| Charlton Dam Pocahontas County | 21 | 1971 | Low | Not Rated |
| Chatfield Lake Dam Lee County | 28 | 1988 | Low | Not Rated |
| Cheers Dam Union County | 18 | 1970 | Low | Not Rated |
| Cheers Dam Union County | 33 | 2005 | Low | Not Rated |
| Cheers Dam Union County | 28 | 1994 | Low | Not Rated |
| Chelar Roadgrade Dam Monroe County | 28 | 1990 | Low | Not Rated |
| Cheney Dam Fremont County | 36 | 1961 | Low | Not Rated |
| Chenoweth Dam Davis County | 29 | 1974 | Low | Not Rated |
| Cherry Tree Subdivision Dam Jefferson County | 22 | 1999 | Low | Not Rated |
| Chickering Dam Davis County | 30 | 1996 | Low | Not Rated |
| Chipp Dam Lucas County | 36 | 1996 | Low | Not Rated |
| Chizek Dam Tama County | 25 | 2004 | Low | Not Rated |
| Christen Dam Fayette County | 26 | 1996 | Low | Not Rated |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.