Southridge Road Detention Basin, located in Marshalltown, Iowa, serves as a crucial flood risk reduction structure along Anson Creek.
Wind
Humidity
Constructed in 1996, this Earth-type dam stands at 18 feet tall and spans 800 feet in length, providing a maximum storage capacity of 101 acre-feet. With a drainage area of 2.15 square miles, this significant structure plays a vital role in managing floodwaters and protecting the surrounding area from potential inundation.
Managed by the local government and regulated by the Iowa Department of Natural Resources, Southridge Road Detention Basin has been designed by RUST Environmental Inc. The dam's spillway type is uncontrolled, and its hazard potential is deemed significant, with a moderate risk assessment rating of 3. While the condition assessment is currently marked as "Not Rated," the basin's operational effectiveness in mitigating flood risks highlights its importance in safeguarding the community and environment against water-related hazards.
As an essential component of the region's water resource infrastructure, Southridge Road Detention Basin exemplifies the collaborative efforts between local authorities and regulatory agencies in addressing flood risk reduction. With its strategic location and key role in managing stormwater runoff, this facility stands as a testament to sustainable water resource management practices and the importance of proactive measures in adapting to the impacts of climate change.
Year Completed |
1996 |
Dam Length |
800 |
Dam Height |
18 |
River Or Stream |
Anson Creek |
Primary Dam Type |
Earth |
Drainage Area |
2.15 |
Nid Storage |
101 |
Hazard Potential |
Significant |
Nid Height |
18 |
Timber Creek Near Marshalltown
|
37cfs |
Iowa River At Marshalltown
|
1040cfs |
Richland Creek Near Haven
|
12cfs |
South Fork Iowa River Ne Of New Providence
|
79cfs |
Indian Creek Near Mingo
|
79cfs |
Walnut Creek Near Hartwick
|
13cfs |
| Location | Reservations | Toilets |
|---|---|---|
Riverview Park - Marshalltown
|
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Timmons Grove County Park
|
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Union Grove State Park
|