Mc Call Subwatershed Site M-5 is a local government-owned dam located in Monona, Iowa, on the GARD CREEK.
Wind
Humidity
Built in 1964 by the USDA NRCS, this earth dam stands at 32 feet tall and stretches 645 feet in length. Its primary purpose is for fire protection, stock, or small fish pond use, with additional benefits including flood risk reduction.
With a storage capacity of 69 acre-feet, this dam covers a surface area of 3.7 acres and serves a drainage area of 5.7 acres. Despite its low hazard potential, the dam is marked as having a moderate risk level due to its outdated risk assessment. While it does not have an Emergency Action Plan in place, the dam is regulated, permitted, inspected, and enforced by the Iowa Department of Natural Resources.
Water resource and climate enthusiasts will find Mc Call Subwatershed Site M-5 to be an intriguing site for its historical significance and potential environmental impact. As a critical part of the local water management infrastructure, this dam plays a vital role in both water supply and flood control for the surrounding community in Monona County.
Year Completed |
1964 |
Dam Length |
645 |
Dam Height |
32 |
River Or Stream |
GARD CREEK |
Primary Dam Type |
Earth |
Surface Area |
3.7 |
Drainage Area |
5.7 |
Nid Storage |
69 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
32 |
Little Sioux River Near Turin
|
1040cfs |
Monona-Harrison Ditch Near Turin
|
158cfs |
Maple River At Mapleton
|
323cfs |
West Fork Ditch At Hornick
|
80cfs |
Missouri River At Decatur
|
14900cfs |
Soldier River At Pisgah
|
112cfs |