Dam KS02809

THREEMILE CREEK-TR· Leavenworth, Kansas· Built 1972· 23 ft tall
Significant Hazard Private

Key Takeaway

Dam KS02809 is classified as significant hazard in Kansas. It was completed in 1972 and is 54 years old. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 23 ft (taller than 38.6% in KS)
Dam Length600 ft
Max Storage27 acre-ft
Normal Storage12 acre-ft
Drainage Area0 sq mi
Max Discharge210 cfs
Year Completed1972 (54 years old)
NID IDKS02809

Safety Information

Significant Hazard

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?

Emergency Action Plan: No
Last Inspection: December 13, 1999
State Regulated: No
Regulatory Agency: KS Dept. of Agriculture

Ownership

RYAN, WILLIAM

Private

Nearby Dams

Dam KS02942

Leavenworth, KS

Low Hazard 34 ft

Dam KS04039

Leavenworth, KS

Low Hazard 33 ft

Dam KS04058

Leavenworth, KS

Low Hazard 33 ft

Dam KS01275

Leavenworth, KS

Low Hazard 31 ft

Dam KS02811

Leavenworth, KS

Low Hazard 31 ft

Dam KS04051

Leavenworth, KS

Low Hazard 30 ft

Dam KS02817

Leavenworth, KS

Low Hazard 34 ft

Merritt Lake

Leavenworth, KS

Low Hazard 20 ft

Frequently Asked Questions

What is the hazard classification of Dam KS02809?

Dam KS02809 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 Dam KS02809?

Dam KS02809 is owned by RYAN, WILLIAM (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dam KS02809 built?

Dam KS02809 was completed in 1972, making it 54 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Dam KS02809?

Dam KS02809 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 Dam KS02809 last inspected?

Dam KS02809 was last inspected on December 13, 1999. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.