Bethany Road Detention Pond Dam

TRIB E.BR. S.BR. KISHWAUKEE R· DeKalb, Illinois· Earth· 11 ft tall
High Hazard Flood Risk Reduction Other Local Government

Key Takeaway

Bethany Road Detention Pond 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 11 ft (taller than 8.1% in IL)
Dam Length3,105 ft
Dam TypeEarth
Max Storage260 acre-ft
Normal Storage0 acre-ft
Drainage Area1 sq mi
Max Discharge1,610 cfs
NID IDIL50470

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: May 30, 2023
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

CITY OF SYCAMORE

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bethany Road Detention Pond Dam?

Bethany Road Detention Pond 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 Bethany Road Detention Pond Dam?

Bethany Road Detention Pond Dam is owned by CITY OF SYCAMORE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Bethany Road Detention Pond Dam?

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

How tall is Bethany Road Detention Pond Dam?

Bethany Road Detention Pond Dam has a dam height of 11 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 Bethany Road Detention Pond Dam last inspected?

Bethany Road Detention Pond Dam was last inspected on May 30, 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.