Dayton

Fox River· LaSalle, Illinois· Built 1925· Earth· 23 ft tall
Low Hazard Navigation Recreation Hydroelectric Not Listed

Key Takeaway

Dayton is classified as low hazard in Illinois. It was completed in 1925 and is 101 years old. Its primary use is navigation.

Physical Details

Dam Height 23 ft (taller than 37.7% in IL)
Dam Length963 ft
Dam TypeEarth
Max Storage1.8K acre-ft
Normal Storage605 acre-ft
Surface Area200 acres
Drainage Area2,642 sq mi
Max Discharge41,200 cfs
Year Completed1925 (101 years old)
NID IDIL00008

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 29, 2019
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

Not Listed

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Dayton?

Dayton 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 Dayton?

Dayton is owned by information not available (Not Listed). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dayton built?

Dayton was completed in 1925, making it 101 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 Dayton?

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

How tall is Dayton?

Dayton has a dam height of 23 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 Dayton last inspected?

Dayton was last inspected on July 29, 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.