International Coal/viper/freshwater Impoundment is an earth dam located in Logan County, Illinois, built in 1982. It carries a Low hazard potential classification.
Dam profile
NID height · 12 ft12 ft tall and 3,800 ft long. 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 International Coal/viper/freshwater Impoundment
International Coal/viper/freshwater Impoundment is a dam in Logan, Illinois. The dam is owned by International Coal Group, Inc. (private). It impounds the North Ditch near Elkhart.
The dam stands 12 feet tall and stretches 3,800 feet across, and has a maximum storage capacity of 250 acre-feet. Completed in 1982, the structure is 44 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 09/21/2023.
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Location
| State | Illinois |
| County | Logan |
| Nearest City | Elkhart |
| River/Stream | North Ditch |
| Coordinates | 40.00418, -89.45992 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 3,800 ft |
| Year Completed | 1982 (44 years old) |
Storage & Hydraulics
| NID Storage | 250 acre-ft |
| Max Storage | 250 acre-ft |
| Normal Storage | 177 acre-ft |
| Max Discharge | 208 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | International Coal Group, Inc. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/21/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50019 |
| Federal ID | IL50019 |
| More Info | State Dam Safety Program |