Windy Hill Subwatershed Site 3-2, located in Woodbury County, Iowa, is a local government-owned earth dam constructed in 1975 by the USDA NRCS for multiple purposes including fire protection, stock, small fish pond, and flood risk reduction.
Wind
Humidity
The dam stands at a height of 42 feet, with a length of 640 feet and a storage capacity of 188 acre-feet. Situated along the TR-West Fork Little Sioux river, the dam covers a drainage area of 0.82 square miles and serves as a crucial infrastructure for water resource management in the region.
Despite being categorized as having a low hazard potential and a moderate risk level, the condition of Windy Hill Subwatershed Site 3-2 is currently not rated. The dam is regulated by the Iowa DNR and undergoes regular state inspections, permitting, and enforcement to ensure its structural integrity and safety. With its location in a vital watershed area, the dam plays a significant role in mitigating flood risks and providing essential water storage for the surrounding community. Enthusiasts interested in water resource management and climate resilience will find Windy Hill Subwatershed Site 3-2 to be a noteworthy example of sustainable infrastructure supporting environmental conservation efforts in Iowa.
Year Completed |
1975 |
Dam Length |
640 |
Dam Height |
42 |
River Or Stream |
TR-WEST FORK LITTLE SIOUX |
Primary Dam Type |
Earth |
Surface Area |
9 |
Drainage Area |
0.82 |
Nid Storage |
188 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
42 |
West Fork Ditch At Hornick
|
80cfs |
Floyd River At James
|
187cfs |
Missouri River At Sioux City
|
13700cfs |
Little Sioux River At Correctionville
|
327cfs |
Omaha Cr At Homer
|
45cfs |
Maple River At Mapleton
|
323cfs |