Inez Lake Dam

TRIB RICHLAND CREEK· St. Clair, Illinois· 23 ft tall
Significant Hazard Recreation Private

Key Takeaway

Inez Lake Dam is classified as significant hazard in Illinois. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 23 ft (taller than 37.7% in IL)
Dam Length305 ft
Normal Storage0 acre-ft
NID IDIL50743

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: June 6, 2018
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

Private

Nearby Dams

Lake Lorraine Dam

St. Clair, IL

High Hazard 19 ft

Lake Christine Dam

St. Clair, IL

High Hazard 20 ft

Gebhardt Lake Dam

St. Clair, IL

High Hazard

Woodfield Lake Estates Dam

St. Clair, IL

High Hazard 15 ft

St. Clair County Retention Pond 1 Dam

St. Clair, IL

High Hazard 31 ft

Ravenwood Lake Dam

St. Clair, IL

Significant Hazard 15 ft

Chenot Lake Dam

St. Clair, IL

High Hazard 15 ft

Arenas Dam

St. Clair, IL

Significant Hazard 20 ft

Frequently Asked Questions

What is the hazard classification of Inez Lake Dam?

Inez Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Inez Lake Dam?

Inez Lake Dam is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Inez Lake Dam?

Inez 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 Inez Lake Dam?

Inez Lake Dam has a dam height of 23 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 Inez Lake Dam last inspected?

Inez Lake Dam was last inspected on June 6, 2018. 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.