Walling Subwatershed Sta 20+86 #1b is a dam located in Woodbury County, Iowa, designed by USDA NRCS with a primary purpose of fire protection, stock, or small fish pond.
Wind
Humidity
Completed in 1953, this earth dam stands at a height of 35 feet and has a length of 750 feet, providing a storage capacity of 34 acre-feet. The dam is state-regulated by the Iowa Department of Natural Resources and serves multiple purposes including flood risk reduction.
Situated on the TR-Little Sioux River in OTO, Iowa, Walling Subwatershed Sta 20+86 #1b has a low hazard potential and a moderate risk assessment rating. While the condition of the dam is currently not rated, it undergoes state inspections and enforcement to ensure its safety and functionality. With a drainage area of 1.21 square miles, this dam plays a crucial role in water resource management and protection in the region.
This structure, owned by the local government, contributes to the overall management of water resources in the area and is part of the efforts to mitigate flood risks. With its strategic location and design, Walling Subwatershed Sta 20+86 #1b serves as a key component in the conservation and sustainable use of water in Woodbury County, Iowa, highlighting the importance of infrastructure in addressing climate challenges.
Year Completed |
1953 |
Dam Length |
750 |
Dam Height |
35 |
River Or Stream |
TR-LITTLE SIOUX RIVER |
Primary Dam Type |
Earth |
Surface Area |
7 |
Drainage Area |
1.21 |
Nid Storage |
34 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
35 |
Little Sioux River At Correctionville
|
327cfs |
Maple River At Mapleton
|
323cfs |
West Fork Ditch At Hornick
|
80cfs |
Little Sioux River Near Turin
|
1040cfs |
Monona-Harrison Ditch Near Turin
|
158cfs |
Floyd River At James
|
187cfs |