Kinmundy New Lake Dam

TRIB EAST FORK KASKASKIA RIVER· Marion, Illinois· Built 1998· Earth· 38 ft tall
High Hazard Recreation Water Supply Private

Key Takeaway

Kinmundy New Lake Dam is classified as high hazard in Illinois. It was completed in 1998 and is 28 years old. Its primary use is recreation. 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 38 ft (taller than 80.7% in IL)
Dam Length1,250 ft
Dam TypeEarth
Max Storage2.3K acre-ft
Normal Storage1.2K acre-ft
Surface Area100 acres
Drainage Area2 sq mi
Max Discharge11,750 cfs
Year Completed1998 (28 years old)
NID IDIL50271

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: October 17, 2022
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

CITY OF KINMUNDY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Kinmundy New Lake Dam?

Kinmundy New Lake 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 Kinmundy New Lake Dam?

Kinmundy New Lake Dam is owned by CITY OF KINMUNDY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Kinmundy New Lake Dam built?

Kinmundy New Lake Dam was completed in 1998, making it 28 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 Kinmundy New Lake Dam?

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

How tall is Kinmundy New Lake Dam?

Kinmundy New Lake Dam has a dam height of 38 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 Kinmundy New Lake Dam last inspected?

Kinmundy New Lake Dam was last inspected on October 17, 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.