Little Whiskey Subwatershed Site M-2 is a significant water resource site located in Woodbury, Iowa, specifically in the city of Hornick.
Wind
Humidity
Owned by the local government and regulated by the Iowa Department of Natural Resources, this site serves multiple purposes including fire protection, stock, or small fish pond, as well as flood risk reduction. The dam, completed in 1990, is an earth structure with a height of 42 feet and a length of 390 feet, providing a storage capacity of 391 acre-feet.
With a drainage area of 1.7 acres and a normal storage capacity of 66 acre-feet, the site plays a crucial role in managing water resources in the region. The dam's spillway type is uncontrolled with a width of 3 feet, and it has a significant hazard potential with a satisfactory condition assessment as of August 2020. The site's risk assessment is classified as moderate, highlighting the importance of continued monitoring and risk management measures to ensure the safety and effectiveness of the dam for the community and environment in the Little Whiskey subwatershed.
Year Completed |
1990 |
Dam Length |
390 |
Dam Height |
42 |
River Or Stream |
TR- BIG WHISKEY CREEK |
Primary Dam Type |
Earth |
Surface Area |
12 |
Drainage Area |
1.7 |
Nid Storage |
391 |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
42 |
Floyd River At James
|
187cfs |
Missouri River At Sioux City
|
13700cfs |
Perry Creek Near Milnerville
|
25cfs |
Omaha Cr At Homer
|
45cfs |
West Fork Ditch At Hornick
|
80cfs |
Little Sioux River At Correctionville
|
327cfs |