Jennings Lake

Decatur, Kansas· Built 1937· Earth· 27 ft tall
Unknown Recreation Local Government

Key Takeaway

Jennings Lake is classified as unknown in Kansas. It was completed in 1937 and is 89 years old. Its primary use is recreation.

Physical Details

Dam Height 27 ft (taller than 57.6% in KS)
Dam Length590 ft
Dam TypeEarth
Max Storage2.2K acre-ft
Normal Storage807 acre-ft
Surface Area161 acres
Drainage Area1,130 sq mi
Year Completed1937 (89 years old)
NID IDKS09159

Safety Information

Unknown

Hazard potential has not been determined.

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

Emergency Action Plan: No
State Regulated: Yes
Regulatory Agency: KS Dept. of Agriculture

Ownership

KANSAS DEPT OF TRANSPORTATION

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Jennings Lake?

Jennings Lake is classified as Unknown. Hazard potential has not been determined. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Jennings Lake?

Jennings Lake is owned by KANSAS DEPT OF TRANSPORTATION (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Jennings Lake built?

Jennings Lake was completed in 1937, making it 89 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 Jennings Lake?

Jennings 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 Jennings Lake?

Jennings Lake has a dam height of 27 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.

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.