Brighton Lake Dam

TRIB WEST FORK WOOD R· Macoupin, Illinois· Earth· 25 ft tall
High Hazard Flood Risk Reduction Private

Key Takeaway

Brighton Lake Dam is classified as high hazard in Illinois. Its primary use is flood risk reduction. 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 25 ft (taller than 42.6% in IL)
Dam Length265 ft
Dam TypeEarth
Normal Storage0 acre-ft
NID IDIL50740

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: No
Last Inspection: April 26, 2023
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

EHRMAN, TARRANT AND BREGENZER

Private

Nearby Dams

Shaw Lake Dam

Macoupin, IL

High Hazard 23 ft

Mcadams Pond Dam 1

Macoupin, IL

Low Hazard 30 ft

Owens Lake Dam

Macoupin, IL

High Hazard 33 ft

Briarwood Lake Dam

Macoupin, IL

Low Hazard 30 ft

Osage Lake Dam

Macoupin, IL

Significant Hazard 38 ft

Woodland Lake Dam

Macoupin, IL

Significant Hazard 27 ft

Evergreen Lake Dam

Macoupin, IL

Low Hazard 34 ft

Ingram Pond Dam

Jersey, IL

Low Hazard 30 ft

Frequently Asked Questions

What is the hazard classification of Brighton Lake Dam?

Brighton Lake 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 Brighton Lake Dam?

Brighton Lake Dam is owned by EHRMAN, TARRANT AND BREGENZER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Brighton Lake Dam?

Brighton Lake Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Brighton Lake Dam?

Brighton Lake Dam has a dam height of 25 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 Brighton Lake Dam last inspected?

Brighton Lake Dam was last inspected on April 26, 2023. 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.