Knight Hawk/prairie Eagle/slurry 012c Dam is an earth dam located in Perry County, Illinois, built in 2016. It carries a Significant hazard potential classification.
Dam profile
NID height · 77 ft77 ft tall and 495 ft long, taller than 97% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Knight Hawk/prairie Eagle/slurry 012c Dam
Knight Hawk/prairie Eagle/slurry 012c Dam is a dam in Perry, Illinois. The dam is owned by Knight Hawk Coal, LLC (private). It impounds the Trib Galum Creek near Conant.
The dam stands 77 feet tall and stretches 495 feet across, creates a reservoir covering 34 acres, has a maximum storage capacity of 1,384 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2016, 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 09/19/2023.
At 77 feet, this dam is taller than 97% of all dams in the United States.
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Location
| State | Illinois |
| County | Perry |
| Nearest City | Conant |
| River/Stream | Trib Galum Creek |
| Coordinates | 38.05398, -89.55893 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 77 ft |
| Dam Height | 77 ft |
| Dam Length | 495 ft |
| Year Completed | 2016 (10 years old) |
Storage & Hydraulics
| NID Storage | 1,384 acre-ft |
| Max Storage | 1,384 acre-ft |
| Normal Storage | 1,024 acre-ft |
| Surface Area | 34 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 6,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Knight Hawk Coal, LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 09/19/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL50679 |
| Federal ID | IL50679 |
| More Info | State Dam Safety Program |