Tomahawk Hills Cc Dam

LITTLE MILL CREEK-TR· Johnson, Kansas· Built 1955· Earth· 52 ft tall
High Hazard Irrigation Recreation Local Government

Key Takeaway

Tomahawk Hills Cc Dam is classified as high hazard in Kansas. It was completed in 1955 and is 71 years old. Its primary use is irrigation. 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 52 ft (taller than 97.9% in KS)
Dam Length460 ft
Dam TypeEarth
Max Storage98 acre-ft
Normal Storage72 acre-ft
Surface Area6 acres
Drainage Area0 sq mi
Max Discharge208 cfs
Year Completed1955 (71 years old)
Year Modified2013
NID IDKS01192

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 1, 2024
State Regulated: Yes
Regulatory Agency: KS Dept. of Agriculture

Ownership

JOHNSON COUNTY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tomahawk Hills Cc Dam?

Tomahawk Hills Cc Dam 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 Tomahawk Hills Cc Dam?

Tomahawk Hills Cc Dam is owned by JOHNSON COUNTY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tomahawk Hills Cc Dam built?

Tomahawk Hills Cc Dam was completed in 1955, making it 71 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 Tomahawk Hills Cc Dam?

Tomahawk Hills Cc Dam serves the following purposes: Irrigation, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Tomahawk Hills Cc Dam?

Tomahawk Hills Cc Dam has a dam height of 52 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 Tomahawk Hills Cc Dam last inspected?

Tomahawk Hills Cc Dam was last inspected on April 1, 2024. 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.