Jeffrey Energy Center-Auxiliary Make-Up

KANSAS RIVER-TR· Pottawatomie, Kansas· Earth· 114 ft tall
High Hazard Other Private

Key Takeaway

Jeffrey Energy Center-Auxiliary Make-Up is classified as high hazard in Kansas. 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 114 ft (taller than 99.9% in KS)
Dam Length2,240 ft
Dam TypeEarth
Max Storage22.0K acre-ft
Normal Storage17.5K acre-ft
Surface Area516 acres
Drainage Area2 sq mi
NID IDKS07473

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: November 1, 2022
State Regulated: Yes
Regulatory Agency: KS Dept. of Agriculture

Ownership

EVERGY, INC.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Jeffrey Energy Center-Auxiliary Make-Up?

Jeffrey Energy Center-Auxiliary Make-Up 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 Jeffrey Energy Center-Auxiliary Make-Up?

Jeffrey Energy Center-Auxiliary Make-Up is owned by EVERGY, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Jeffrey Energy Center-Auxiliary Make-Up?

Jeffrey Energy Center-Auxiliary Make-Up 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 Jeffrey Energy Center-Auxiliary Make-Up?

Jeffrey Energy Center-Auxiliary Make-Up has a dam height of 114 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 Jeffrey Energy Center-Auxiliary Make-Up last inspected?

Jeffrey Energy Center-Auxiliary Make-Up was last inspected on November 1, 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.