Citizens Lake Dam

TRIB CEDAR CREEK· Warren, Illinois· Built 1878· Earth· 20 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Citizens Lake Dam is classified as low hazard in Illinois. It was completed in 1878 and is 148 years old. Its primary use is recreation.

Physical Details

Dam Height 20 ft (taller than 28.2% in IL)
Dam Length353 ft
Dam TypeEarth
Max Storage73 acre-ft
Normal Storage42 acre-ft
Year Completed1878 (148 years old)
NID IDIL00471

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 7, 2012
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

CITY OF MONMOUTH

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Citizens Lake Dam?

Citizens Lake 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 Citizens Lake Dam?

Citizens Lake Dam is owned by CITY OF MONMOUTH (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Citizens Lake Dam built?

Citizens Lake Dam was completed in 1878, making it 148 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 Citizens Lake Dam?

Citizens Lake 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 Citizens Lake Dam?

Citizens Lake Dam has a dam height of 20 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 Citizens Lake Dam last inspected?

Citizens Lake Dam was last inspected on September 7, 2012. 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.