Little Cedar

CEDAR LAKE· Jackson, Illinois· Built 1969· Other· 30 ft tall
Low Hazard Recreation Federal Government

Key Takeaway

Little Cedar is classified as low hazard in Illinois. It was completed in 1969 and is 57 years old. Its primary use is recreation.

Physical Details

Dam Height 30 ft (taller than 61.3% in IL)
Dam Length325 ft
Dam TypeOther
Max Storage1.2K acre-ft
Normal Storage757 acre-ft
Surface Area72 acres
Drainage Area4 sq mi
Max Discharge1,000 cfs
Year Completed1969 (57 years old)
NID IDIL50613

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: September 29, 2014
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

USDA FS

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Little Cedar?

Little Cedar 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 Little Cedar?

Little Cedar is owned by USDA FS (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Little Cedar built?

Little Cedar was completed in 1969, making it 57 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 Little Cedar?

Little Cedar serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Little Cedar?

Little Cedar has a dam height of 30 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 Little Cedar last inspected?

Little Cedar was last inspected on September 29, 2014. 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.