Tall Timbers Lake East Dam

TRIB EAST CREEK· Macoupin, Illinois· Built 1921· Earth· 14 ft tall
Low Hazard Recreation Private

Key Takeaway

Tall Timbers Lake East Dam is classified as low hazard in Illinois. It was completed in 1921 and is 105 years old. Its primary use is recreation.

Physical Details

Dam Height 14 ft (taller than 14.5% in IL)
Dam Length515 ft
Dam TypeEarth
Max Storage90 acre-ft
Normal Storage54 acre-ft
Year Completed1921 (105 years old)
NID IDIL00768

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: July 7, 2017
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

LAKES OF THE TALL TIMBERS INC.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tall Timbers Lake East Dam?

Tall Timbers Lake East 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 Tall Timbers Lake East Dam?

Tall Timbers Lake East Dam is owned by LAKES OF THE TALL TIMBERS INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tall Timbers Lake East Dam built?

Tall Timbers Lake East Dam was completed in 1921, making it 105 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 Tall Timbers Lake East Dam?

Tall Timbers Lake East 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 Tall Timbers Lake East Dam?

Tall Timbers Lake East Dam has a dam height of 14 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 Tall Timbers Lake East Dam last inspected?

Tall Timbers Lake East Dam was last inspected on July 7, 2017. 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.