Skokie Lagoons Dredge Disposal Dam

TRIB SKOKIE RIVER· Cook, Illinois· Built 1990· Earth· 16 ft tall
Low Hazard Debris Control Local Government

Key Takeaway

Skokie Lagoons Dredge Disposal Dam is classified as low hazard in Illinois. It was completed in 1990 and is 36 years old. Its primary use is debris control.

Physical Details

Dam Height 16 ft (taller than 20.3% in IL)
Dam Length1,000 ft
Dam TypeEarth
Max Storage360 acre-ft
Normal Storage0 acre-ft
Surface Area378 acres
Max Discharge6 cfs
Year Completed1990 (36 years old)
NID IDIL50273

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: May 25, 2023
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

FOREST PRESERVE DISTRICT OF COOK COUNTY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Skokie Lagoons Dredge Disposal Dam?

Skokie Lagoons Dredge Disposal 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 Skokie Lagoons Dredge Disposal Dam?

Skokie Lagoons Dredge Disposal Dam is owned by FOREST PRESERVE DISTRICT OF COOK COUNTY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Skokie Lagoons Dredge Disposal Dam built?

Skokie Lagoons Dredge Disposal Dam was completed in 1990, making it 36 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 Skokie Lagoons Dredge Disposal Dam?

Skokie Lagoons Dredge Disposal Dam serves the following purposes: Debris Control. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Skokie Lagoons Dredge Disposal Dam?

Skokie Lagoons Dredge Disposal Dam has a dam height of 16 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 Skokie Lagoons Dredge Disposal Dam last inspected?

Skokie Lagoons Dredge Disposal Dam was last inspected on May 25, 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.