Patrick Williams Dam

SPUR BRANCH· Barnwell, South Carolina· 14 ft tall
Significant Hazard Recreation Private

Key Takeaway

Patrick Williams Dam is classified as significant hazard in South Carolina. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 14 ft (taller than 19.3% in SC)
Max Storage216 acre-ft
Normal Storage156 acre-ft
Surface Area30 acres
NID IDSC02635

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

Emergency Action Plan: Yes
Last Inspection: November 3, 2021
State Regulated: Yes
Regulatory Agency: SC DHEC

Ownership

PATRICK J WILLIAMS ET AL

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Patrick Williams Dam?

Patrick Williams Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Patrick Williams Dam?

Patrick Williams Dam is owned by PATRICK J WILLIAMS ET AL (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Patrick Williams Dam?

Patrick Williams 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 Patrick Williams Dam?

Patrick Williams 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 Patrick Williams Dam last inspected?

Patrick Williams Dam was last inspected on November 3, 2021. 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.