Colette Highlands Dam

TRIB MARLEY CREEK· Cook, Illinois· Earth· 10 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

Colette Highlands Dam is classified as low hazard in Illinois. Its primary use is flood risk reduction.

Physical Details

Dam Height 10 ft (taller than 5.7% in IL)
Dam Length500 ft
Dam TypeEarth
Max Storage84 acre-ft
Normal Storage0 acre-ft
Drainage Area1 sq mi
NID IDIL55092

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: August 21, 2017
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

VILLAGE OF ORLAND PARK

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Colette Highlands Dam?

Colette Highlands 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 Colette Highlands Dam?

Colette Highlands Dam is owned by VILLAGE OF ORLAND PARK (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Colette Highlands Dam?

Colette Highlands 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 Colette Highlands Dam?

Colette Highlands Dam has a dam height of 10 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 Colette Highlands Dam last inspected?

Colette Highlands Dam was last inspected on August 21, 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.