Hoy Lake Dam

UNT OF PURPLE CREEK· Hinds, Mississippi· Built 1964· Earth· 16 ft tall
High Hazard Recreation Private

Key Takeaway

Hoy Lake Dam is classified as high hazard in Mississippi. It was completed in 1964 and is 62 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 16 ft (taller than 40.1% in MS)
Dam Length590 ft
Dam TypeEarth
Max Storage80 acre-ft
Normal Storage65 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Year Completed1964 (62 years old)
NID IDMS02740

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: February 13, 2023
State Regulated: Yes
Regulatory Agency: MS DEPARTMENT OF ENVIRONMENTAL QUALITY

Ownership

HOY LAKE CORPORATION

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hoy Lake Dam?

Hoy Lake 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 Hoy Lake Dam?

Hoy Lake Dam is owned by HOY LAKE CORPORATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hoy Lake Dam built?

Hoy Lake Dam was completed in 1964, making it 62 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 Hoy Lake Dam?

Hoy Lake 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 Hoy Lake Dam?

Hoy Lake Dam has a dam height of 16 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 Hoy Lake Dam last inspected?

Hoy Lake Dam was last inspected on February 13, 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.