Kinmundy Lake Dam

TRIB EAST FORK KASKASKIA RIVER· Marion, Illinois· Built 1885· Earth· 25 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Kinmundy Lake Dam is classified as low hazard in Illinois. It was completed in 1885 and is 141 years old. Its primary use is recreation.

Physical Details

Dam Height 25 ft (taller than 42.6% in IL)
Dam Length1,050 ft
Dam TypeEarth
Max Storage121 acre-ft
Normal Storage87 acre-ft
Year Completed1885 (141 years old)
NID IDIL00248

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: No
Last Inspection: October 17, 2022
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

CITY OF KINMUNDY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Kinmundy Lake Dam?

Kinmundy Lake Dam 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 Kinmundy Lake Dam?

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

When was Kinmundy Lake Dam built?

Kinmundy Lake Dam was completed in 1885, making it 141 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 Lake Dam?

Kinmundy Lake Dam 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 Kinmundy Lake Dam?

Kinmundy Lake Dam has a dam height of 25 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 Lake Dam last inspected?

Kinmundy 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.