Knight Hawk Coal/praire Eagle Mine/010b Slurry Dam
Knight Hawk Coal/praire Eagle Mine/010b Slurry Dam is an other dam located in Perry County, Illinois, built in 2006. It carries a Significant hazard potential classification.
About Knight Hawk Coal/praire Eagle Mine/010b Slurry Dam
The primary purpose of Knight Hawk Coal/praire Eagle Mine/010b Slurry Dam is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is owned by Knight Hawk Coal Llc (private). It impounds the Trib Galum Creek near Cutler.
The dam stands 66 feet tall and stretches 340 feet across, creates a reservoir covering 27 acres, has a maximum storage capacity of 943 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2006, the structure is relatively new.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 12/09/2025.
At 66 feet, this dam is taller than 96% of all dams in the United States.
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Location
| State | Illinois |
| County | Perry |
| Nearest City | Cutler |
| River/Stream | Trib Galum Creek |
| Coordinates | 38.06747, -89.55888 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 66 ft |
| Dam Height | 66 ft |
| Dam Length | 340 ft |
| Year Completed | 2006 (20 years old) |
Storage & Hydraulics
| NID Storage | 943 acre-ft |
| Max Storage | 943 acre-ft |
| Normal Storage | 859 acre-ft |
| Surface Area | 27 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Tailings |
| Owner | KNIGHT HAWK COAL LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 12/09/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL50555 |
| Federal ID | IL50555 |
| More Info | State Dam Safety Program |