Springfield Coal/industry/incline Pond 12 Dams is an earth dam located in McDonough County, Illinois, built in 1997. It carries a Low hazard potential classification.
Dam profile
NID height · 34 ft34 ft tall and 1,050 ft long, taller than 78% 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/industry/incline Pond 12 Dams
The primary purpose of Springfield Coal/industry/incline Pond 12 Dams is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by Springfield Coal Company, LLC (private). It impounds the Trib Grindstone Creek near Beaver Creek.
The dam stands 34 feet tall and stretches 1,050 feet across, and has a maximum storage capacity of 650 acre-feet. Completed in 1997, the structure is 29 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. An emergency action plan is in place for this dam. The most recent inspection on record was 10/26/2024.
At 34 feet, this dam is taller than 78% of dams nationwide.
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Location
| State | Illinois |
| County | McDonough |
| Nearest City | Beaver Creek |
| River/Stream | Trib Grindstone Creek |
| Coordinates | 40.29742, -90.70779 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 1,050 ft |
| Year Completed | 1997 (29 years old) |
Storage & Hydraulics
| NID Storage | 650 acre-ft |
| Max Storage | 650 acre-ft |
| Normal Storage | 500 acre-ft |
| Max Discharge | 29 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Debris Control |
| Owner | Springfield Coal Company, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/26/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL50194 |
| Federal ID | IL50194 |
| More Info | State Dam Safety Program |