Vienna Correctional Center Lake Dam

TRIB BAY CREEK· Johnson, Illinois· Built 1964· Earth· 29 ft tall
Low Hazard Recreation Water Supply State Government

Key Takeaway

Vienna Correctional Center Lake Dam is classified as low hazard in Illinois. It was completed in 1964 and is 62 years old. Its primary use is recreation.

Physical Details

Dam Height 29 ft (taller than 58.2% in IL)
Dam Length680 ft
Dam TypeEarth
Max Storage1.2K acre-ft
Normal Storage558 acre-ft
Surface Area74 acres
Drainage Area2 sq mi
Year Completed1964 (62 years old)
NID IDIL00028

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: August 25, 2021
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

ILLINOIS DEPARTMENT OF CORRECTIONS

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Vienna Correctional Center Lake Dam?

Vienna Correctional Center 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 Vienna Correctional Center Lake Dam?

Vienna Correctional Center Lake Dam is owned by ILLINOIS DEPARTMENT OF CORRECTIONS (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Vienna Correctional Center Lake Dam built?

Vienna Correctional Center Lake Dam was completed in 1964, making it 62 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 Vienna Correctional Center Lake Dam?

Vienna Correctional Center 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 Vienna Correctional Center Lake Dam?

Vienna Correctional Center Lake Dam has a dam height of 29 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 Vienna Correctional Center Lake Dam last inspected?

Vienna Correctional Center Lake Dam was last inspected on August 25, 2021. 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.