Gs Dd No 17-20a
Key Takeaway
Gs Dd No 17-20a is classified as low hazard in Kansas. It was completed in 1994 and is 32 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 30 ft (taller than 71.7% in KS) |
| Dam Length | 450 ft |
| Dam Type | Earth |
| Max Storage | 144 acre-ft |
| Normal Storage | 49 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 600 cfs |
| Year Completed | 1994 (32 years old) |
| NID ID | KS09226 |
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
NEMAHA-BROWN WJD NO 7
Local Government
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Low Hazard 31 ftFrequently Asked Questions
What is the hazard classification of Gs Dd No 17-20a?
Gs Dd No 17-20a 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 Gs Dd No 17-20a?
Gs Dd No 17-20a is owned by NEMAHA-BROWN WJD NO 7 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Gs Dd No 17-20a built?
Gs Dd No 17-20a was completed in 1994, making it 32 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 Gs Dd No 17-20a?
Gs Dd No 17-20a serves the following purposes: Flood Risk Reduction, Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Gs Dd No 17-20a?
Gs Dd No 17-20a has a dam height of 30 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.