Lake Warren Dam

TRIB CEDAR CREEK· Warren, Illinois· Built 1952· Earth· 38 ft tall
Low Hazard Recreation Private

Key Takeaway

Lake Warren Dam is classified as low hazard in Illinois. It was completed in 1952 and is 74 years old. Its primary use is recreation.

Physical Details

Dam Height 38 ft (taller than 80.7% in IL)
Dam Length555 ft
Dam TypeEarth
Max Storage997 acre-ft
Normal Storage656 acre-ft
Year Completed1952 (74 years old)
NID IDIL00467

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: April 9, 2019
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

HICKORY GROVE LAKE COMPANY

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Warren Dam?

Lake Warren 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 Lake Warren Dam?

Lake Warren Dam is owned by HICKORY GROVE LAKE COMPANY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Warren Dam built?

Lake Warren Dam was completed in 1952, making it 74 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 Lake Warren Dam?

Lake Warren Dam 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 Lake Warren Dam?

Lake Warren Dam has a dam height of 38 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 Lake Warren Dam last inspected?

Lake Warren Dam was last inspected on April 9, 2019. 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.