Cooling Lake Dam - Wolf Creek Unit 1

Coffey, Kansas· Built 1980· Earth· 82 ft tall
High Hazard Other Private

Key Takeaway

Cooling Lake Dam - Wolf Creek Unit 1 is classified as high hazard in Kansas. It was completed in 1980 and is 46 years old. Its primary use is other. 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 82 ft (taller than 99.6% in KS)
Dam TypeEarth
Max Storage192.7K acre-ft
Normal Storage111.3K acre-ft
Surface Area5,090 acres
Drainage Area27 sq mi
Year Completed1980 (46 years old)
NID IDKS09311

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, 2023
State Regulated: Yes
Regulatory Agency: KS Dept. of Agriculture

Ownership

WOLF CREEK NUCLEAR OPERATING CORPORATION

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cooling Lake Dam - Wolf Creek Unit 1?

Cooling Lake Dam - Wolf Creek Unit 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 Cooling Lake Dam - Wolf Creek Unit 1?

Cooling Lake Dam - Wolf Creek Unit 1 is owned by WOLF CREEK NUCLEAR OPERATING CORPORATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cooling Lake Dam - Wolf Creek Unit 1 built?

Cooling Lake Dam - Wolf Creek Unit 1 was completed in 1980, making it 46 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 Cooling Lake Dam - Wolf Creek Unit 1?

Cooling Lake Dam - Wolf Creek Unit 1 serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Cooling Lake Dam - Wolf Creek Unit 1?

Cooling Lake Dam - Wolf Creek Unit 1 has a dam height of 82 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 Cooling Lake Dam - Wolf Creek Unit 1 last inspected?

Cooling Lake Dam - Wolf Creek Unit 1 was last inspected on April 6, 2023. 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.