Rice Lake Dam

WILLOWAY BROOK· DuPage, Illinois· Built 1991· Earth· 13 ft tall
High Hazard Flood Risk Reduction Recreation Private

Key Takeaway

Rice Lake Dam is classified as high hazard in Illinois. It was completed in 1991 and is 35 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 13 ft (taller than 12.5% in IL)
Dam Length1,300 ft
Dam TypeEarth
Max Storage660 acre-ft
Normal Storage0 acre-ft
Surface Area39 acres
Drainage Area3 sq mi
Max Discharge14,887 cfs
Year Completed1991 (35 years old)
NID IDIL50219

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: April 11, 2023
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

FOREST PRESERVE DISTRICT OF DUPAGE COUNT

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Rice Lake Dam?

Rice Lake 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 Rice Lake Dam?

Rice Lake Dam is owned by FOREST PRESERVE DISTRICT OF DUPAGE COUNT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Rice Lake Dam built?

Rice Lake 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 Rice Lake Dam?

Rice Lake Dam serves the following purposes: Flood Risk Reduction, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Rice Lake Dam?

Rice Lake 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 Rice Lake Dam last inspected?

Rice Lake Dam was last inspected on April 11, 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.