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.
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.
Wind
Humidity
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
|
1660cfs |
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
|