Crown 2 Mine Coarse Refuse Exterior Dam is an earth dam located in Macoupin County, Illinois, built in 2001. It carries a Low hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 7,200 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 Crown 2 Mine Coarse Refuse Exterior Dam
Crown 2 Mine Coarse Refuse Exterior Dam is a dam in Macoupin, Illinois. The dam is private-owned. It impounds the Trib Brush Creek near Thomasville.
The dam stands 21 feet tall and stretches 7,200 feet across, creates a reservoir covering 153 acres, has a maximum storage capacity of 1,356 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2001, the structure is relatively new.
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 11/21/2017.
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Location
| State | Illinois |
| County | Macoupin |
| Nearest City | Thomasville |
| River/Stream | Trib Brush Creek |
| Coordinates | 39.47057, -89.72882 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 7,200 ft |
| Year Completed | 2001 (25 years old) |
Storage & Hydraulics
| NID Storage | 1,356 acre-ft |
| Max Storage | 1,356 acre-ft |
| Normal Storage | 1,090 acre-ft |
| Surface Area | 153 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 27 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 11/21/2017 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50422 |
| Federal ID | IL50422 |
| More Info | State Dam Safety Program |