Thomas Harper Dam

CALICO BRANCH· Hampton, South Carolina· Built 1930· 14 ft tall
Low Hazard Recreation Private

Key Takeaway

Thomas Harper Dam is classified as low hazard in South Carolina. It was completed in 1930 and is 96 years old. Its primary use is recreation.

Physical Details

Dam Height 14 ft (taller than 19.3% in SC)
Max Storage236 acre-ft
Normal Storage136 acre-ft
Surface Area40 acres
Year Completed1930 (96 years old)
NID IDSC00998

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 28, 2017
State Regulated: Yes
Regulatory Agency: SC DHEC

Ownership

DOUBLE K PLANTATION LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Thomas Harper Dam?

Thomas Harper 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 Thomas Harper Dam?

Thomas Harper Dam is owned by DOUBLE K PLANTATION LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Thomas Harper Dam built?

Thomas Harper Dam was completed in 1930, making it 96 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 Thomas Harper Dam?

Thomas Harper 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 Thomas Harper Dam?

Thomas Harper Dam has a dam height of 14 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 Thomas Harper Dam last inspected?

Thomas Harper Dam was last inspected on November 28, 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.