Frd No 7

LYON CREEK-TR· Dickinson, Kansas· Built 1974· Earth· 35 ft tall
Significant Hazard Flood Risk Reduction Local Government

Key Takeaway

Frd No 7 is classified as significant hazard in Kansas. It was completed in 1974 and is 52 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 35 ft (taller than 85.9% in KS)
Dam Length1,400 ft
Dam TypeEarth
Max Storage566 acre-ft
Normal Storage58 acre-ft
Surface Area15 acres
Drainage Area1 sq mi
Year Completed1974 (52 years old)
NID IDKS02255

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: April 22, 2022
State Regulated: Yes
Regulatory Agency: KS Dept. of Agriculture

Ownership

LYONS CREEK WJD NO 41

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Frd No 7?

Frd No 7 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 Frd No 7?

Frd No 7 is owned by LYONS CREEK WJD NO 41 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Frd No 7 built?

Frd No 7 was completed in 1974, making it 52 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 Frd No 7?

Frd No 7 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 Frd No 7?

Frd No 7 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.

When was Frd No 7 last inspected?

Frd No 7 was last inspected on April 22, 2022. 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.