Rlf/pawnee Mine/slurry Impoundment 3 Dam is an earth dam located in Christian County, Illinois, built in 1999. It carries a Low hazard potential classification.
Dam profile
NID height · 20 ft20 ft tall and 3,600 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 Rlf/pawnee Mine/slurry Impoundment 3 Dam
The primary purpose of Rlf/pawnee Mine/slurry Impoundment 3 Dam 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 Rle Pawnee Properties, LLC (private). It impounds the Trib Sangchris Lake.
The dam stands 20 feet tall and stretches 3,600 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 214 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1999, the structure is 27 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 03/29/2024.
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Location
| State | Illinois |
| County | Christian |
| River/Stream | Trib Sangchris Lake |
| Coordinates | 39.58123, -89.52183 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 3,600 ft |
| Year Completed | 1999 (27 years old) |
Storage & Hydraulics
| NID Storage | 214 acre-ft |
| Max Storage | 214 acre-ft |
| Normal Storage | 171 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 9 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Debris Control |
| Owner | Rle Pawnee Properties, LLC |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 03/29/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL50416 |
| Federal ID | IL50416 |
| More Info | State Dam Safety Program |