Twin Lakes Lane South Lake Dam

TRIB SILVER CREEK· Madison, Illinois· Built 1966· Earth· 31 ft tall
Low Hazard Recreation Private

Key Takeaway

Twin Lakes Lane South Lake Dam is classified as low hazard in Illinois. It was completed in 1966 and is 60 years old. Its primary use is recreation.

Physical Details

Dam Height 31 ft (taller than 66.2% in IL)
Dam Length174 ft
Dam TypeEarth
Max Storage148 acre-ft
Normal Storage80 acre-ft
Year Completed1966 (60 years old)
NID IDIL00431

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: May 11, 2022
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

JOHN JONES

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Twin Lakes Lane South Lake Dam?

Twin Lakes Lane South 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 Twin Lakes Lane South Lake Dam?

Twin Lakes Lane South Lake Dam is owned by JOHN JONES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Twin Lakes Lane South Lake Dam built?

Twin Lakes Lane South Lake Dam was completed in 1966, making it 60 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 Twin Lakes Lane South Lake Dam?

Twin Lakes Lane South 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 Twin Lakes Lane South Lake Dam?

Twin Lakes Lane South Lake Dam has a dam height of 31 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 Twin Lakes Lane South Lake Dam last inspected?

Twin Lakes Lane South Lake Dam was last inspected on May 11, 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.