Concord Reservoir Dam

TRIB LICK BRANCH· Morgan, Illinois· Built 1910· Earth· 26 ft tall
Low Hazard Recreation Private

Key Takeaway

Concord Reservoir Dam is classified as low hazard in Illinois. It was completed in 1910 and is 116 years old. Its primary use is recreation.

Physical Details

Dam Height 26 ft (taller than 47.1% in IL)
Dam Length514 ft
Dam TypeEarth
Max Storage203 acre-ft
Normal Storage159 acre-ft
Year Completed1910 (116 years old)
NID IDIL00707

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: July 2, 2021
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

ST. LUKE CHURCH

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Concord Reservoir Dam?

Concord Reservoir 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 Concord Reservoir Dam?

Concord Reservoir Dam is owned by ST. LUKE CHURCH (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Concord Reservoir Dam built?

Concord Reservoir Dam was completed in 1910, making it 116 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 Concord Reservoir Dam?

Concord Reservoir 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 Concord Reservoir Dam?

Concord Reservoir Dam has a dam height of 26 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 Concord Reservoir Dam last inspected?

Concord Reservoir Dam was last inspected on July 2, 2021. 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.