Mcgill/Sigmon Dam

TR-CEDAR SWAMP· Williamsburg, South Carolina· Built 1973· 13 ft tall
Low Hazard Recreation Private

Key Takeaway

Mcgill/Sigmon Dam is classified as low hazard in South Carolina. It was completed in 1973 and is 53 years old. Its primary use is recreation.

Physical Details

Dam Height 13 ft (taller than 14.9% in SC)
Max Storage177 acre-ft
Normal Storage73 acre-ft
Surface Area28 acres
Year Completed1973 (53 years old)
NID IDSC00974

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

HERBERT M BROWN III

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mcgill/Sigmon Dam?

Mcgill/Sigmon 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 Mcgill/Sigmon Dam?

Mcgill/Sigmon Dam is owned by HERBERT M BROWN III (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mcgill/Sigmon Dam built?

Mcgill/Sigmon Dam was completed in 1973, making it 53 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 Mcgill/Sigmon Dam?

Mcgill/Sigmon 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 Mcgill/Sigmon Dam?

Mcgill/Sigmon 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 Mcgill/Sigmon Dam last inspected?

Mcgill/Sigmon 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.