Frd No 18

SO BR LITTLE WALNUT RIVER-TR· Butler, Kansas· Built 1966· Earth· 29 ft tall
Significant Hazard Flood Risk Reduction Local Government

Key Takeaway

Frd No 18 is classified as significant hazard in Kansas. It was completed in 1966 and is 60 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 29 ft (taller than 67.7% in KS)
Dam Length970 ft
Dam TypeEarth
Max Storage511 acre-ft
Normal Storage40 acre-ft
Surface Area11 acres
Drainage Area2 sq mi
Max Discharge433 cfs
Year Completed1966 (60 years old)
Year Modified2008
NID IDKS02099

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: January 6, 2020
State Regulated: Yes
Regulatory Agency: KS Dept. of Agriculture

Ownership

LITTLE WALNUT-HICKORY WJD NO 18

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Frd No 18?

Frd 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 Frd No 18?

Frd No 18 is owned by LITTLE WALNUT-HICKORY WJD NO 18 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Frd No 18 built?

Frd No 18 was completed in 1966, making it 60 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 18?

Frd No 18 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 18?

Frd No 18 has a dam height of 29 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 18 last inspected?

Frd No 18 was last inspected on January 6, 2020. 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.