Frd No 20

SAND CREEK-TR· Sedgwick, Kansas· Built 1979· Earth· 34 ft tall

High Hazard Flood Risk Reduction Local Government

Key Takeaway

Frd No 20 is classified as high hazard in Kansas. It was completed in 1979 and is 47 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	34 ft (taller than 84% in KS)
Dam Length	1,520 ft
Dam Type	Earth
Max Storage	2.0K acre-ft
Normal Storage	143 acre-ft

Surface Area	33 acres
Max Discharge	1,562 cfs
Year Completed	1979 (47 years old)
NID ID	KS04890

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: April 6, 2022

State Regulated: Yes

Regulatory Agency: KS Dept. of Agriculture

Ownership

WHITEWATER RIVER WJD NO 22

Local Government

Nearby Dams

Frd No 18

Harvey, KS

High Hazard 35 ft

Frd No 19

Harvey, KS

High Hazard 37 ft

Dam KS03787

Sedgwick, KS

Low Hazard 14 ft

Dam KS04683

Harvey, KS

Low Hazard 20 ft

Dam KS03786

Sedgwick, KS

Low Hazard 14 ft

Dam KS03780

Sedgwick, KS

Low Hazard 16 ft

No. 17

Harvey, KS

High Hazard 40 ft

Dam KS04802

Harvey, KS

Low Hazard 10 ft

Frequently Asked Questions

What is the hazard classification of Frd No 20?

Frd No 20 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 20?

Frd No 20 is owned by WHITEWATER RIVER WJD NO 22 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Frd No 20 built?

Frd No 20 was completed in 1979, making it 47 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 20?

Frd No 20 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 20?

Frd No 20 has a dam height of 34 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 20 last inspected?

Frd No 20 was last inspected on April 6, 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.