Upper Leaf River Structure 7 Dam
Upper Leaf River Structure 7 Dam is an earth dam located in Smith County, Mississippi, built in 1974. It carries a Low hazard potential classification and has a fair condition assessment.
About Upper Leaf River Structure 7 Dam
The primary purpose of Upper Leaf River Structure 7 Dam 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 local government-owned. It impounds the Unt Of Chusa Creek.
The dam stands 30 feet tall and stretches 1,237 feet across, creates a reservoir covering 38 acres, has a maximum storage capacity of 2,365 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1974, the structure is well into its service life at over 50 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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 02/11/2016. That was over 10 years ago.
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Location
| State | Mississippi |
| County | Smith |
| River/Stream | Unt Of Chusa Creek |
| Coordinates | 32.11061, -89.35515 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 1,237 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 2,365 acre-ft |
| Max Storage | 2,365 acre-ft |
| Normal Storage | 97 acre-ft |
| Surface Area | 38 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 3,117 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 02/11/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MS03062 |
| Federal ID | MS03062 |
| More Info | State Dam Safety Program |