Lincoln Trail State Park Lake Dam

SANDY BRANCH CREEK· Clark, Illinois· Built 1956· Earth· 52 ft tall
High Hazard Recreation State Government

Key Takeaway

Lincoln Trail State Park Lake Dam is classified as high hazard in Illinois. It was completed in 1956 and is 70 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 52 ft (taller than 92.7% in IL)
Dam Length1,050 ft
Dam TypeEarth
Max Storage3.5K acre-ft
Normal Storage1.8K acre-ft
Surface Area146 acres
Drainage Area3 sq mi
Max Discharge11,200 cfs
Year Completed1956 (70 years old)
NID IDIL00688

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: September 21, 2023
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

ILLINOIS DEPARTMENT OF NATURAL RESOURCES

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lincoln Trail State Park Lake Dam?

Lincoln Trail State Park 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 Lincoln Trail State Park Lake Dam?

Lincoln Trail State Park Lake Dam is owned by ILLINOIS DEPARTMENT OF NATURAL RESOURCES (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lincoln Trail State Park Lake Dam built?

Lincoln Trail State Park Lake Dam was completed in 1956, making it 70 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 Lincoln Trail State Park Lake Dam?

Lincoln Trail State Park 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 Lincoln Trail State Park Lake Dam?

Lincoln Trail State Park Lake 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 Lincoln Trail State Park Lake Dam last inspected?

Lincoln Trail State Park Lake Dam was last inspected on September 21, 2023. 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.