Knight Hawk/Prairie Eagle/Slurry 012c Dam

TRIB GALUM CREEK· Perry, Illinois· Built 2016· Earth· 77 ft tall

Significant Hazard Other Private

Key Takeaway

Knight Hawk/Prairie Eagle/Slurry 012c Dam is classified as significant hazard in Illinois. It was completed in 2016 and is 10 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height	77 ft (taller than 98% in IL)
Dam Length	495 ft
Dam Type	Earth
Max Storage	1.4K acre-ft
Normal Storage	1.0K acre-ft

Surface Area	34 acres
Drainage Area	0 sq mi
Max Discharge	6,000 cfs
Year Completed	2016 (10 years old)
NID ID	IL50679

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes

Last Inspection: October 28, 2022

State Regulated: Yes

Regulatory Agency: IDNR

Ownership

KNIGHT HAWK COAL, LLC

Private

Nearby Dams

Knight Hawk Coal/Praire Eagle Mine/010b Slurry Dam

Perry, IL

Significant Hazard 66 ft

Knight Hawk/Prairie Eagle/North Refuse Area Dam

Perry, IL

Significant Hazard 50 ft

Millers Campground Lake Dam

Perry, IL

Significant Hazard 20 ft

Lake Camp A Lot Dam

Randolph, IL

Significant Hazard 15 ft

Behnken Lake Dam

Randolph, IL

Low Hazard 24 ft

Crescent Club Lake Dam

Randolph, IL

Low Hazard 17 ft

Zeigler Coal Company Lake

Randolph, IL

Low Hazard 19 ft

Prairie Coal/Lost Prairie Mine/Slurry Pond 1

Perry, IL

Low Hazard 33 ft

Frequently Asked Questions

What is the hazard classification of Knight Hawk/Prairie Eagle/Slurry 012c Dam?

Knight Hawk/Prairie Eagle/Slurry 012c Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Knight Hawk/Prairie Eagle/Slurry 012c Dam?

Knight Hawk/Prairie Eagle/Slurry 012c Dam is owned by KNIGHT HAWK COAL, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Knight Hawk/Prairie Eagle/Slurry 012c Dam built?

Knight Hawk/Prairie Eagle/Slurry 012c Dam was completed in 2016, making it 10 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 Knight Hawk/Prairie Eagle/Slurry 012c Dam?

Knight Hawk/Prairie Eagle/Slurry 012c Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Knight Hawk/Prairie Eagle/Slurry 012c Dam?

Knight Hawk/Prairie Eagle/Slurry 012c Dam has a dam height of 77 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 Knight Hawk/Prairie Eagle/Slurry 012c Dam last inspected?

Knight Hawk/Prairie Eagle/Slurry 012c Dam was last inspected on October 28, 2022. 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.