Frd No 4

AMAZON DITCH-TR· Kearny, Kansas· Built 1969· Earth· 39 ft tall

High Hazard Flood Risk Reduction Local Government

Key Takeaway

Frd No 4 is classified as high hazard in Kansas. It was completed in 1969 and is 57 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height	39 ft (taller than 91.9% in KS)
Dam Length	2,240 ft
Dam Type	Earth
Max Storage	1.4K acre-ft
Normal Storage	43 acre-ft

Surface Area	12 acres
Drainage Area	2 sq mi
Max Discharge	9,230 cfs
Year Completed	1969 (57 years old)
NID ID	KS02338

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes

Last Inspection: October 21, 2020

State Regulated: Yes

Regulatory Agency: KS Dept. of Agriculture

Ownership

LAKIN WD NO 49

Local Government

Nearby Dams

Frd No 3

Kearny, KS

High Hazard 32 ft

Frd No 2

Kearny, KS

High Hazard 37 ft

Frd No 1

Kearny, KS

Low Hazard 31 ft

Dam KS04995

Kearny, KS

Low Hazard 17 ft

Dam KS04997

Kearny, KS

Low Hazard 16 ft

Dam KS01193

Kearny, KS

Low Hazard 17 ft

Dam KS04993

Kearny, KS

Low Hazard 14 ft

Lake Mckinney Dam

Kearny, KS

High Hazard 37 ft

Frequently Asked Questions

What is the hazard classification of Frd No 4?

Frd No 4 is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Frd No 4?

Frd No 4 is owned by LAKIN WD NO 49 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Frd No 4 built?

Frd No 4 was completed in 1969, making it 57 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 4?

Frd No 4 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 4?

Frd No 4 has a dam height of 39 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 4 last inspected?

Frd No 4 was last inspected on October 21, 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.