Dd No 81
Key Takeaway
Dd No 81 is classified as low hazard in Kansas. It was completed in 1980 and is 46 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 35 ft (taller than 85.9% in KS) |
| Dam Length | 800 ft |
| Dam Type | Earth |
| Max Storage | 251 acre-ft |
| Normal Storage | 35 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,790 cfs |
| Year Completed | 1980 (46 years old) |
| NID ID | KS05253 |
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
ROCK CREEK WD NO 45
Local Government
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Low Hazard 32 ftFrequently Asked Questions
What is the hazard classification of Dd No 81?
Dd No 81 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 Dd No 81?
Dd No 81 is owned by ROCK CREEK WD NO 45 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dd No 81 built?
Dd No 81 was completed in 1980, making it 46 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 Dd No 81?
Dd No 81 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 Dd No 81?
Dd No 81 has a dam height of 35 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.