Dd No 20
Key Takeaway
Dd No 20 is classified as low hazard in Kansas. It was completed in 2001 and is 25 years old. Its primary use is flood risk reduction.
Physical Details
| Dam Height | 23 ft (taller than 38.6% in KS) |
| Dam Length | 1,555 ft |
| Dam Type | Earth |
| Max Storage | 662 acre-ft |
| Normal Storage | 69 acre-ft |
| Surface Area | 19 acres |
| Year Completed | 2001 (25 years old) |
| NID ID | KS07913 |
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
ALLEN CREEK WD NO 89
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Dd No 20?
Dd No 20 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 20?
Dd No 20 is owned by ALLEN CREEK WD NO 89 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Dd No 20 built?
Dd No 20 was completed in 2001, making it 25 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 20?
Dd No 20 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 20?
Dd No 20 has a dam height of 23 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.
When was Dd No 20 last inspected?
Dd No 20 was last inspected on April 27, 2012. Inspection dates indicate when a formal review occurred, not the results of that inspection.