Upper Yocona Watershed Structure Y-14-01 Dam

Lafayette, Mississippi· Built 1965· Earth· 28 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Upper Yocona Watershed Structure Y-14-01 Dam is classified as high hazard in Mississippi. It was completed in 1965 and is 61 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 28 ft (taller than 86.6% in MS)
Dam Length950 ft
Dam TypeEarth
Max Storage368 acre-ft
Drainage Area1 sq mi
Year Completed1965 (61 years old)
NID IDMS01237

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: No
Last Inspection: January 25, 2018
State Regulated: Yes
Regulatory Agency: MS DEPARTMENT OF ENVIRONMENTAL QUALITY

Ownership

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Upper Yocona Watershed Structure Y-14-01 Dam?

Upper Yocona Watershed Structure Y-14-01 Dam is classified as High Hazard. Loss of human life is likely if the dam fails. 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-14-01 Dam?

Upper Yocona Watershed Structure Y-14-01 Dam is owned by information not available (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Upper Yocona Watershed Structure Y-14-01 Dam built?

Upper Yocona Watershed Structure Y-14-01 Dam was completed in 1965, making it 61 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-14-01 Dam?

Upper Yocona Watershed Structure Y-14-01 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-14-01 Dam?

Upper Yocona Watershed Structure Y-14-01 Dam has a dam height of 28 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-14-01 Dam last inspected?

Upper Yocona Watershed Structure Y-14-01 Dam was last inspected on January 25, 2018. 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.