Upper Yocona Watershed Structure Y-14-07 Dam

Lafayette, Mississippi· Built 1971· Earth· 32 ft tall
Significant Hazard Flood Risk Reduction Local Government

Key Takeaway

Upper Yocona Watershed Structure Y-14-07 Dam is classified as significant hazard in Mississippi. It was completed in 1971 and is 55 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 32 ft (taller than 92.6% in MS)
Dam Length1,250 ft
Dam TypeEarth
Max Storage1.1K acre-ft
Drainage Area2 sq mi
Year Completed1971 (55 years old)
NID IDMS01245

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: August 7, 2019
State Regulated: Yes
Regulatory Agency: MS DEPARTMENT OF ENVIRONMENTAL QUALITY

Ownership

ANNIE CLARA MITCHELL ET AL

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Upper Yocona Watershed Structure Y-14-07 Dam?

Upper Yocona Watershed Structure Y-14-07 Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Upper Yocona Watershed Structure Y-14-07 Dam?

Upper Yocona Watershed Structure Y-14-07 Dam is owned by ANNIE CLARA MITCHELL ET AL (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Upper Yocona Watershed Structure Y-14-07 Dam built?

Upper Yocona Watershed Structure Y-14-07 Dam was completed in 1971, making it 55 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Upper Yocona Watershed Structure Y-14-07 Dam?

Upper Yocona Watershed Structure Y-14-07 Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Upper Yocona Watershed Structure Y-14-07 Dam?

Upper Yocona Watershed Structure Y-14-07 Dam has a dam height of 32 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Upper Yocona Watershed Structure Y-14-07 Dam last inspected?

Upper Yocona Watershed Structure Y-14-07 Dam was last inspected on August 7, 2019. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.