Little River Watershed Site 65-3 in Decatur County, Iowa, is a crucial flood risk reduction structure managed by the local government and designed by the USDA NRCS.
Wind
Humidity
Completed in 1980, this earth dam stands at a height of 22 feet and spans 450 feet, with a storage capacity of 116 acre-feet and a drainage area of 0.36 square miles. The dam plays a vital role in protecting the surrounding area from flooding, with a significant hazard potential and a satisfactory condition assessment as of November 2015.
Located along the TR-Little River, this site is regulated by the Iowa DNR and undergoes regular state inspections and enforcement to ensure its operational effectiveness. The dam's primary purpose is flood risk reduction, with a spillway type of "Uncontrolled" and a surface area of 5.9 acres. Despite its moderate risk assessment level, the structure has not been modified in recent years and lacks specific risk management measures. With its strategic placement and capacity to mitigate flooding, Little River Watershed Site 65-3 stands as a crucial asset in safeguarding the local community and environment against water-related disasters.
Year Completed |
1980 |
Dam Length |
450 |
Dam Height |
22 |
River Or Stream |
TR-LITTLE RIVER |
Primary Dam Type |
Earth |
Surface Area |
5.9 |
Drainage Area |
0.36 |
Nid Storage |
116 |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
22 |