Located in Ankeny, Iowa, the Prairie Trail Development - South Dam is a vital infrastructure designed by NILLES & ASSOCIATES for flood risk reduction along TR- SAYLOR CREEK.
Wind
Humidity
Completed in 2008, this earth dam stands at a height of 31 feet and spans 610 feet in length, providing a maximum storage capacity of 114 acre-feet. With a primary purpose of flood risk reduction, this dam also serves fire protection and functions as a stock or small fish pond.
Regulated by the Iowa Department of Natural Resources (DNR), the Prairie Trail Development - South Dam is classified as having a significant hazard potential and a moderate risk assessment rating. Although the condition assessment is not rated, the dam is regularly inspected, permitted, and enforced for safety compliance. With a spillway width of 20 feet and uncontrolled spillway type, this dam plays a crucial role in managing water resources and mitigating potential flooding risks in the region.
Owned by a combination of local government and private entities, the Prairie Trail Development - South Dam exemplifies collaborative efforts in water resource management. Serving as a key feature in the region's infrastructure, this dam underscores the importance of sustainable development and climate resilience in safeguarding communities against the impacts of extreme weather events.
Year Completed |
2008 |
Dam Length |
610 |
Dam Height |
31 |
River Or Stream |
TR- SAYLOR CREEK |
Primary Dam Type |
Earth |
Surface Area |
5.2 |
Drainage Area |
1.18 |
Nid Storage |
114 |
Hazard Potential |
Significant |
Foundations |
Soil |
Nid Height |
31 |
Fourmile Creek Near Ankeny
|
9cfs |
Des Moines River Near Saylorville
|
855cfs |
Beaver Creek Near Grimes
|
183cfs |
Des Moines River At 2nd Avenue
|
418cfs |
Fourmile Creek At Des Moines
|
22cfs |
Raccoon River At Fleur Drive
|
1200cfs |
| Location | Reservations | Toilets |
|---|---|---|
Cherry Glen Campground
|
||
Acorn Valley Campground
|
||
Water Trail Campsite
|