Billy Cox Upper Dam

TR-JUNE BRANCH· Williamsburg, South Carolina· Built 1965· 7 ft tall
Low Hazard Recreation Private

Key Takeaway

Billy Cox Upper Dam is classified as low hazard in South Carolina. It was completed in 1965 and is 61 years old. Its primary use is recreation.

Physical Details

Dam Height 7 ft (taller than 0.3% in SC)
Max Storage74 acre-ft
Normal Storage24 acre-ft
Surface Area10 acres
Year Completed1965 (61 years old)
NID IDSC01654

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
Last Inspection: November 13, 2017
State Regulated: Yes
Regulatory Agency: SC DHEC

Ownership

H DEAN MANN AND REBECCA B MANN AS TRUSTEES

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Billy Cox Upper Dam?

Billy Cox Upper Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Billy Cox Upper Dam?

Billy Cox Upper Dam is owned by H DEAN MANN AND REBECCA B MANN AS TRUSTEES (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Billy Cox Upper Dam built?

Billy Cox Upper 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 Billy Cox Upper Dam?

Billy Cox Upper 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 Billy Cox Upper Dam?

Billy Cox Upper Dam has a dam height of 7 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 Billy Cox Upper Dam last inspected?

Billy Cox Upper Dam was last inspected on November 13, 2017. 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.