Silver Bay LLC Lake Dam

TRIB SILVER CREEK· St. Clair, Illinois· Built 1991· Earth· 67 ft tall
Low Hazard Other Private

Key Takeaway

Silver Bay LLC Lake Dam is classified as low hazard in Illinois. It was completed in 1991 and is 35 years old. Its primary use is other.

Physical Details

Dam Height 67 ft (taller than 96.9% in IL)
Dam Length2,500 ft
Dam TypeEarth
Max Storage2.4K acre-ft
Normal Storage2.1K acre-ft
Max Discharge825 cfs
Year Completed1991 (35 years old)
NID IDIL50156

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: April 26, 2019
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

COAST TO COAST BUSINESS EQUIPMENT, INC.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Silver Bay LLC Lake Dam?

Silver Bay LLC 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 Silver Bay LLC Lake Dam?

Silver Bay LLC Lake Dam is owned by COAST TO COAST BUSINESS EQUIPMENT, INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Silver Bay LLC Lake Dam built?

Silver Bay LLC Lake Dam was completed in 1991, making it 35 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 Silver Bay LLC Lake Dam?

Silver Bay LLC Lake Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Silver Bay LLC Lake Dam?

Silver Bay LLC Lake Dam has a dam height of 67 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 Silver Bay LLC Lake Dam last inspected?

Silver Bay LLC Lake Dam was last inspected on April 26, 2019. 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.