Siloam Springs Lake Dam

TRIB MCKEE CREEK· Adams, Illinois· Built 1955· Earth· 55 ft tall
Low Hazard Recreation State Government

Key Takeaway

Siloam Springs Lake Dam is classified as low hazard in Illinois. It was completed in 1955 and is 71 years old. Its primary use is recreation.

Physical Details

Dam Height 55 ft (taller than 93.6% in IL)
Dam Length283 ft
Dam TypeEarth
Max Storage1.2K acre-ft
Normal Storage793 acre-ft
Year Completed1955 (71 years old)
NID IDIL00475

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 27, 2016
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

ILLINOIS DEPARTMENT OF NATURAL RESOURCES

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Siloam Springs Lake Dam?

Siloam Springs 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 Siloam Springs Lake Dam?

Siloam Springs Lake Dam is owned by ILLINOIS DEPARTMENT OF NATURAL RESOURCES (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Siloam Springs Lake Dam built?

Siloam Springs Lake Dam was completed in 1955, making it 71 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 Siloam Springs Lake Dam?

Siloam Springs 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 Siloam Springs Lake Dam?

Siloam Springs Lake Dam has a dam height of 55 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 Siloam Springs Lake Dam last inspected?

Siloam Springs Lake Dam was last inspected on July 27, 2016. 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.