Liberty Land/mine 26/slurry Cell 3 Dam is an earth dam located in Franklin County, Illinois, built in 1987. It carries a Significant hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 5,800 ft long, taller than 86% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Liberty Land/mine 26/slurry Cell 3 Dam
Liberty Land/mine 26/slurry Cell 3 Dam is a dam in Franklin, Illinois. The dam is owned by Lcc Illinois, LLC (private). It impounds the Trib Rend Lake near Sesser.
The dam stands 40 feet tall and stretches 5,800 feet across, and has a maximum storage capacity of 1,640 acre-feet. Completed in 1987, the structure is 39 years old.
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 06/05/2025.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Illinois |
| County | Franklin |
| Nearest City | Sesser |
| River/Stream | Trib Rend Lake |
| Coordinates | 38.08873, -89.01001 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 5,800 ft |
| Year Completed | 1987 (39 years old) |
Storage & Hydraulics
| NID Storage | 1,640 acre-ft |
| Max Storage | 1,640 acre-ft |
| Max Discharge | 193 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Lcc Illinois, LLC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 06/05/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL50183 |
| Federal ID | IL50183 |
| More Info | State Dam Safety Program |