Dams in Sioux County, Iowa
7Total Dams
1High Hazard
2Significant
Dam Safety in Sioux County, Iowa
Sioux County has 7 dams tracked in the National Inventory of Dams. Of these, 1 are classified as high hazard — meaning failure would probably cause loss of human life. Another 2 carry a significant hazard classification.
The average dam in Sioux County is 39 years old. The most common purpose is recreation. The tallest dam is Iowa Noname49 at 61 ft.
Explore more: Oldest dams in Iowa · Tallest dams · High risk dams · Largest reservoirs
Data note: Hazard potential describes the consequences if a dam failed; it does not predict the likelihood of failure. Inspection, condition, and emergency-plan fields can be incomplete or delayed. Check state dam-safety officials and local emergency managers for official guidance.
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| South Ridge Estates - East Dam | High | Satisfactory | 17 | Recreation | 2007 |
| South Ridge Estates - South Dam | Significant | Not Rated | 11 | 2007 | |
| South Ridge Estates - West Dam | Significant | Not Rated | 8 | Flood Risk Reduction | 2007 |
| Iowa Noname49 | Low | Not Rated | 61 | Other | 1966 |
| Vande Stroet Dam | Low | Not Rated | 40 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Oak Grove Park Dam | Low | Not Rated | 26 | Recreation | 1977 |
| Doty/truesdell/johnson Dam | Low | Not Rated | 20 | Fire Protection, Stock, Or Small Fish Pond | 1975 |