Lake Dockery Dam

UNT OF TRAHON CREEK· Hinds, Mississippi· Built 1952· Earth· 21 ft tall
High Hazard Recreation Local Government

Key Takeaway

Lake Dockery Dam is classified as high hazard in Mississippi. It was completed in 1952 and is 74 years old. Its primary use is recreation. 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 21 ft (taller than 67.1% in MS)
Dam Length1,000 ft
Dam TypeEarth
Max Storage633 acre-ft
Normal Storage308 acre-ft
Surface Area51 acres
Drainage Area0 sq mi
Max Discharge1,000 cfs
Year Completed1952 (74 years old)
Year Modified2009
NID IDMS01790

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: Yes
Last Inspection: March 21, 2023
State Regulated: Yes
Regulatory Agency: MS DEPARTMENT OF ENVIRONMENTAL QUALITY

Ownership

CITY OF BYRAM

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Dockery Dam?

Lake Dockery 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 Lake Dockery Dam?

Lake Dockery Dam is owned by CITY OF BYRAM (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Dockery Dam built?

Lake Dockery Dam was completed in 1952, making it 74 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 Lake Dockery Dam?

Lake Dockery Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Lake Dockery Dam?

Lake Dockery Dam has a dam height of 21 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 Lake Dockery Dam last inspected?

Lake Dockery Dam was last inspected on March 21, 2023. 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.