Springfield Coal/orient 3/fine Refuse Impoundment is an earth dam located in Jefferson County, Illinois, built in 1981. It carries a Low hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 3,050 ft long, taller than 55% 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 Springfield Coal/orient 3/fine Refuse Impoundment
Springfield Coal/orient 3/fine Refuse Impoundment is a dam in Jefferson, Illinois. The dam is owned by Springfield Coal Company, LLC (private). It impounds the Trib Big Muddy River near Waltonville.
The dam stands 26 feet tall and stretches 3,050 feet across, creates a reservoir covering 805 acres, and has a maximum storage capacity of 674 acre-feet. Completed in 1981, the structure is 45 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 05/27/2025.
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Location
| State | Illinois |
| County | Jefferson |
| Nearest City | Waltonville |
| River/Stream | Trib Big Muddy River |
| Coordinates | 38.18104, -89.04225 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 3,050 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 674 acre-ft |
| Max Storage | 674 acre-ft |
| Normal Storage | 547 acre-ft |
| Surface Area | 805 acres |
| Max Discharge | 16 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 | 05/27/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50017 |
| Federal ID | IL50017 |
| More Info | State Dam Safety Program |