Sixmile Creek Wid Site 11
Sixmile Creek Wid Site 11 is an earth dam located in Logan County, Arkansas, built in 1954. It carries a Significant hazard potential classification.
About Sixmile Creek Wid Site 11
The primary purpose of Sixmile Creek Wid Site 11 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Logan County Conservation District (local government). It impounds the Rattlesnake Creek-tr near Caulksville.
The dam stands 36 feet tall and stretches 763 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 565 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1954, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
At 36 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Arkansas |
| County | Logan |
| Nearest City | Caulksville |
| River/Stream | Rattlesnake Creek-tr |
| Coordinates | 35.22500, -93.98500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Length | 763 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 565 acre-ft |
| Max Storage | 565 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 18,706 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Logan County Conservation District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AR00887 |
| Federal ID | AR00887 |
| More Info | State Dam Safety Program |