S 2nd Street Stormwater Detention Basin
Key Takeaway
S 2nd Street Stormwater Detention Basin is classified as low hazard in Iowa. It was completed in 1997 and is 29 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 11 ft (taller than 2.5% in IA) |
| Dam Length | 1,050 ft |
| Dam Type | Earth |
| Max Storage | 136 acre-ft |
| Normal Storage | 50 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 0 cfs |
| Year Completed | 1997 (29 years old) |
| NID ID | IA03143 |
Safety Information
No probable loss of human life and low economic/environmental losses expected.
Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?
Ownership
City of Marshalltown
Local Government
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Low Hazard 22 ftFrequently Asked Questions
What is the hazard classification of S 2nd Street Stormwater Detention Basin?
S 2nd Street Stormwater Detention Basin is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates S 2nd Street Stormwater Detention Basin?
S 2nd Street Stormwater Detention Basin is owned by City of Marshalltown (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was S 2nd Street Stormwater Detention Basin built?
S 2nd Street Stormwater Detention Basin was completed in 1997, making it 29 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.
What is the primary purpose of S 2nd Street Stormwater Detention Basin?
S 2nd Street Stormwater Detention Basin serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is S 2nd Street Stormwater Detention Basin?
S 2nd Street Stormwater Detention Basin has a dam height of 11 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.