Pana Lake Dam

BECKS CREEK· Shelby, Illinois· Built 1920· Earth· 53 ft tall
High Hazard Recreation Water Supply Local Government

Key Takeaway

Pana Lake Dam is classified as high hazard in Illinois. It was completed in 1920 and is 106 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 53 ft (taller than 93% in IL)
Dam Length800 ft
Dam TypeEarth
Max Storage6.0K acre-ft
Normal Storage3.3K acre-ft
Surface Area241 acres
Drainage Area9 sq mi
Max Discharge16,650 cfs
Year Completed1920 (106 years old)
NID IDIL00142

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: December 6, 2022
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

CITY OF PANA

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Pana Lake Dam?

Pana 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 Pana Lake Dam?

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

When was Pana Lake Dam built?

Pana Lake Dam was completed in 1920, making it 106 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 Pana Lake Dam?

Pana 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 Pana Lake Dam?

Pana Lake Dam has a dam height of 53 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 Pana Lake Dam last inspected?

Pana Lake Dam was last inspected on December 6, 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.