Dd No 18
Key Takeaway
Dd No 18 is classified as significant hazard in Kansas. It was completed in 1999 and is 27 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 38 ft (taller than 90.5% in KS) |
| Dam Length | 700 ft |
| Dam Type | Earth |
| Max Storage | 840 acre-ft |
| Normal Storage | 171 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 1,708 cfs |
| Year Completed | 1999 (27 years old) |
| NID ID | KS07871 |
Safety Information
No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.
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
Nearby Dams
Dd No 17 (Nedwed)
Pottawatomie, KS
Low Hazard 32 ftDd No 19
Pottawatomie, KS
Low Hazard 23 ftDd No 21
Pottawatomie, KS
Significant Hazard 42 ftDd No 38
Pottawatomie, KS
Low Hazard 33 ftDd No 29
Pottawatomie, KS
Low Hazard 26 ftDd No 25
Pottawatomie, KS
Low Hazard 30 ftDd No 81
Pottawatomie, KS
Low Hazard 35 ftDam KS01735
Pottawatomie, KS
Low Hazard 26 ftFrequently Asked Questions
What is the hazard classification of Dd No 18?
Dd No 18 is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.
Who owns and operates Dd No 18?
Dd No 18 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 18 built?
Dd No 18 was completed in 1999, making it 27 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 18?
Dd No 18 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 Dd No 18?
Dd No 18 has a dam height of 38 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 18 last inspected?
Dd No 18 was last inspected on April 8, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.