Dd No 111

ALLEN CREEK-TR· Lyon, Kansas· Earth· 26 ft tall
Significant Hazard Flood Risk Reduction Local Government

Key Takeaway

Dd No 111 is classified as significant hazard in Kansas. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 26 ft (taller than 50.5% in KS)
Dam Length1,400 ft
Dam TypeEarth
Max Storage349 acre-ft
Normal Storage23 acre-ft
Surface Area5 acres
Drainage Area1 sq mi
Max Discharge1,550 cfs
NID IDKS05350

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: Yes
Last Inspection: June 21, 2021
State Regulated: Yes
Regulatory Agency: KS Dept. of Agriculture

Ownership

ALLEN CREEK WD NO 89

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Dd No 111?

Dd No 111 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 111?

Dd No 111 is owned by ALLEN CREEK WD NO 89 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Dd No 111?

Dd No 111 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 111?

Dd No 111 has a dam height of 26 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 111 last inspected?

Dd No 111 was last inspected on June 21, 2021. 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.