Basil Mack Dam

SANDY RUN· Lexington, South Carolina· Built 1999· 13 ft tall

Key Takeaway

Basil Mack Dam is classified as low hazard in South Carolina. It was completed in 1999 and is 27 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 13 ft (taller than 14.9% in SC)
Max Storage60 acre-ft
Normal Storage31 acre-ft
Surface Area7 acres
Year Completed1999 (27 years old)
NID IDSC02767

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: April 6, 2017
State Regulated: Yes
Regulatory Agency: SC DHEC

Ownership

MARSHALL T AND ALISON T MOORE

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Basil Mack Dam?

Basil Mack 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 Basil Mack Dam?

Basil Mack Dam is owned by MARSHALL T AND ALISON T MOORE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Basil Mack Dam built?

Basil Mack Dam was completed in 1999, making it 27 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 Basil Mack Dam?

Basil Mack Dam serves the following purposes: Flood Risk Reduction, Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Basil Mack Dam?

Basil Mack Dam has a dam height of 13 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 Basil Mack Dam last inspected?

Basil Mack Dam was last inspected on April 6, 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.