Springfield Coal/orient 4/aux Slurry Pond is an earth dam located in Williamson County, Illinois, built in 1986. It carries a Low hazard potential classification.
Dam profile
NID height · 47 ft47 ft tall and 3,300 ft long, taller than 91% 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 Springfield Coal/orient 4/aux Slurry Pond
Springfield Coal/orient 4/aux Slurry Pond is a dam in Williamson, Illinois. The dam is owned by Springfield Coal Company, LLC (private). It impounds the Trib Lake Creek near Pittsburg.
The dam stands 47 feet tall and stretches 3,300 feet across, and has a maximum storage capacity of 918 acre-feet. Completed in 1986, the structure is 40 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 06/28/2017.
At 47 feet, this dam is taller than 91% of dams nationwide.
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Location
| State | Illinois |
| County | Williamson |
| Nearest City | Pittsburg |
| River/Stream | Trib Lake Creek |
| Coordinates | 37.79254, -88.87248 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 47 ft |
| Dam Height | 47 ft |
| Dam Length | 3,300 ft |
| Year Completed | 1986 (40 years old) |
Storage & Hydraulics
| NID Storage | 918 acre-ft |
| Max Storage | 918 acre-ft |
| Normal Storage | 828 acre-ft |
| Max Discharge | 6 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Springfield Coal Company, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/28/2017 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50150 |
| Federal ID | IL50150 |
| More Info | State Dam Safety Program |