Dd No D-1

ARKANSAS RIVER-TR· Gray, Kansas· Built 1959· Earth· 25 ft tall

High Hazard Flood Risk Reduction Recreation Local Government

Key Takeaway

Dd No D-1 is classified as high hazard in Kansas. It was completed in 1959 and is 67 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	25 ft (taller than 46.5% in KS)
Dam Length	1,000 ft
Dam Type	Earth
Max Storage	306 acre-ft
Normal Storage	52 acre-ft

Surface Area	14 acres
Drainage Area	1 sq mi
Max Discharge	3,215 cfs
Year Completed	1959 (67 years old)
NID ID	KS02277

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: March 19, 2020

State Regulated: Yes

Regulatory Agency: KS Dept. of Agriculture

Ownership

PAWNEE WJD NO 81

Local Government

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Dd No A-1

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Dam KS00780

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Frequently Asked Questions

What is the hazard classification of Dd No D-1?

Dd No D-1 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 Dd No D-1?

Dd No D-1 is owned by PAWNEE WJD NO 81 (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dd No D-1 built?

Dd No D-1 was completed in 1959, making it 67 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 Dd No D-1?

Dd No D-1 serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Dd No D-1?

Dd No D-1 has a dam height of 25 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 D-1 last inspected?

Dd No D-1 was last inspected on March 19, 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.