Lake Stolberg Dam

TRIB RICHLAND CREEK· St. Clair, Illinois· Built 1904· Earth· 16 ft tall
High Hazard Recreation Private

Key Takeaway

Lake Stolberg Dam is classified as high hazard in Illinois. It was completed in 1904 and is 122 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 16 ft (taller than 20.3% in IL)
Dam Length500 ft
Dam TypeEarth
Max Storage108 acre-ft
Normal Storage50 acre-ft
Surface Area9 acres
Drainage Area0 sq mi
Max Discharge21 cfs
Year Completed1904 (122 years old)
NID IDIL00802

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: June 23, 2020
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

LAKESIDE TERRACE IMPROVEMENT ASSOCIATION

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Stolberg Dam?

Lake Stolberg 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 Lake Stolberg Dam?

Lake Stolberg Dam is owned by LAKESIDE TERRACE IMPROVEMENT ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Stolberg Dam built?

Lake Stolberg Dam was completed in 1904, making it 122 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 Lake Stolberg Dam?

Lake Stolberg 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 Lake Stolberg Dam?

Lake Stolberg Dam has a dam height of 16 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 Lake Stolberg Dam last inspected?

Lake Stolberg Dam was last inspected on June 23, 2020. 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.