Moon Lake

Trib Kansas River· Geary, Kansas· Built 1952· Earth· 26 ft tall
Low Hazard Recreation Federal Government

Key Takeaway

Moon Lake is classified as low hazard in Kansas. It was completed in 1952 and is 74 years old. Its primary use is recreation.

Physical Details

Dam Height 26 ft (taller than 50.5% in KS)
Dam Length500 ft
Dam TypeEarth
Max Storage60 acre-ft
Normal Storage60 acre-ft
Surface Area10 acres
Drainage Area3 sq mi
Max Discharge7,600 cfs
Year Completed1952 (74 years old)
NID IDKS00015

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: Yes
Last Inspection: June 25, 2019
State Regulated: No

Ownership

Fort Riley

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Moon Lake?

Moon Lake is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Moon Lake?

Moon Lake is owned by Fort Riley (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Moon Lake built?

Moon Lake was completed in 1952, making it 74 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 Moon Lake?

Moon Lake serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Moon Lake?

Moon Lake has a dam height of 26 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 Moon Lake last inspected?

Moon Lake was last inspected on June 25, 2019. 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.