Sky Harbor Detention Area A Dam

JACKSON CREEK· Will, Illinois· Built 2008· Earth· 7 ft tall
High Hazard Flood Risk Reduction Private

Key Takeaway

Sky Harbor Detention Area A Dam is classified as high hazard in Illinois. It was completed in 2008 and is 18 years old. 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 7 ft (taller than 0.5% in IL)
Dam Length850 ft
Dam TypeEarth
Max Storage28 acre-ft
Normal Storage0 acre-ft
Year Completed2008 (18 years old)
NID IDIL55128

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: January 1, 2023
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

SKY HARBOR HOMEOWNERS ASSOCIATION

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Sky Harbor Detention Area A Dam?

Sky Harbor Detention Area A 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 Sky Harbor Detention Area A Dam?

Sky Harbor Detention Area A Dam is owned by SKY HARBOR HOMEOWNERS ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Sky Harbor Detention Area A Dam built?

Sky Harbor Detention Area A Dam was completed in 2008, making it 18 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 Sky Harbor Detention Area A Dam?

Sky Harbor Detention Area A 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 Sky Harbor Detention Area A Dam?

Sky Harbor Detention Area A Dam has a dam height of 7 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 Sky Harbor Detention Area A Dam last inspected?

Sky Harbor Detention Area A Dam was last inspected on January 1, 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.