International Coal/viper/north Slurry Impoundment Dam
International Coal/viper/north Slurry Impoundment Dam is an earth dam located in Logan County, Illinois. It carries a High hazard potential classification.
About International Coal/viper/north Slurry Impoundment Dam
International Coal/viper/north Slurry Impoundment Dam is a dam in Logan, Illinois. The dam is owned by Icg Illinois, Llc (private). It impounds the Trib Lake Fork Cr near Elkhart.
The dam stands 105 feet tall and stretches 14,400 feet across, and has a maximum storage capacity of 4,400 acre-feet.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. An emergency action plan is in place for this dam. The most recent inspection on record was 09/03/2024.
At 105 feet, this dam is taller than 98% of all dams in the United States.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Illinois dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Illinois |
| County | Logan |
| Nearest City | Elkhart |
| River/Stream | Trib Lake Fork Cr |
| Coordinates | 40.01892, -89.45152 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 105 ft |
| Dam Height | 105 ft |
| Dam Length | 14,400 ft |
Storage & Hydraulics
| NID Storage | 4,400 acre-ft |
| Max Storage | 4,400 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | ICG ILLINOIS, LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 09/03/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL50711 |
| Federal ID | IL50711 |
| More Info | State Dam Safety Program |