Upper Yocona Watershed Structure Y-14-07 Dam
Upper Yocona Watershed Structure Y-14-07 Dam is an earth dam located in Lafayette County, Mississippi, built in 1971. It carries a Significant hazard potential classification and has a poor condition assessment.
About Upper Yocona Watershed Structure Y-14-07 Dam
The primary purpose of Upper Yocona Watershed Structure Y-14-07 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 owned by Annie Clara Mitchell Et Al (local government).
The dam stands 32 feet tall and stretches 1,250 feet across, has a maximum storage capacity of 1,099 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1971, 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. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 08/07/2019.
At 32 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Mississippi |
| County | Lafayette |
| Coordinates | 34.31841, -89.27305 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 1,250 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 1,099 acre-ft |
| Max Storage | 1,099 acre-ft |
| Drainage Area | 2 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | ANNIE CLARA MITCHELL ET AL |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 08/07/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MS01245 |
| Federal ID | MS01245 |
| More Info | State Dam Safety Program |