Arnold-Armstrong Subwtrshd Site 3a-3050, located in Monona, Iowa, is a low-hazard earth dam completed in 1963 for fire protection, stock, and small fish pond purposes.
Wind
Humidity
Managed by the local government and designed by USDA NRCS, this dam on TR-Dutch Creek has a height of 34 feet and a length of 170 feet, with a storage capacity of 17 acre-feet. The dam is state-regulated and inspected by the Iowa DNR, ensuring its safety and compliance with regulations.
With a drainage area of 0.21 square miles, the Arnold-Armstrong Subwtrshd Site 3a-3050 poses a low hazard potential and has a moderate risk assessment. The dam's condition is currently not rated, and there are no emergency action plans in place. Despite its small surface area of 1 acre, the dam plays a crucial role in flood risk reduction for the surrounding area. Overall, this site serves as a vital infrastructure for water resource management and climate resilience in the region, contributing to the protection of local ecosystems and communities.
Year Completed |
1963 |
Dam Length |
170 |
Dam Height |
34 |
River Or Stream |
TR- DUTCH CREEK |
Primary Dam Type |
Earth |
Surface Area |
1 |
Drainage Area |
0.21 |
Nid Storage |
17 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
34 |
Maple River At Mapleton
|
323cfs |
West Fork Ditch At Hornick
|
80cfs |
Little Sioux River Near Turin
|
1040cfs |
Monona-Harrison Ditch Near Turin
|
158cfs |
Missouri River At Decatur
|
15500cfs |
Soldier River At Pisgah
|
112cfs |