Woodscreek Detention Dam

TRIB WOODS CREEK· McHenry, Illinois· Built 1991· Earth· 13 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

Woodscreek Detention Dam is classified as low hazard in Illinois. It was completed in 1991 and is 35 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 13 ft (taller than 12.5% in IL)
Dam Length300 ft
Dam TypeEarth
Max Storage125 acre-ft
Normal Storage0 acre-ft
Max Discharge252 cfs
Year Completed1991 (35 years old)
NID IDIL50206

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: Yes
Last Inspection: June 27, 2018
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

CITY OF CRYSTAL LAKE

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Woodscreek Detention Dam?

Woodscreek Detention 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 Woodscreek Detention Dam?

Woodscreek Detention Dam is owned by CITY OF CRYSTAL LAKE (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Woodscreek Detention Dam built?

Woodscreek Detention Dam was completed in 1991, making it 35 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 Woodscreek Detention Dam?

Woodscreek Detention 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 Woodscreek Detention Dam?

Woodscreek Detention Dam has a dam height of 13 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 Woodscreek Detention Dam last inspected?

Woodscreek Detention Dam was last inspected on June 27, 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.