Ruth B Ulmer Dam

TR-PROVIDENCE SWAMP· Orangeburg, South Carolina· Built 1960· 11 ft tall
Low Hazard Recreation Private

Key Takeaway

Ruth B Ulmer Dam is classified as low hazard in South Carolina. It was completed in 1960 and is 66 years old. Its primary use is recreation.

Physical Details

Dam Height 11 ft (taller than 8.3% in SC)
Max Storage52 acre-ft
Normal Storage26 acre-ft
Surface Area13 acres
Year Completed1960 (66 years old)
NID IDSC00417

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: July 12, 2017
State Regulated: Yes
Regulatory Agency: SC DHEC

Ownership

BEVERLY ULMER TRUSTEE

Private

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Santee State Park Dam 1

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Santee State Park Dam 2

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Santee Lakes Dam

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Frequently Asked Questions

What is the hazard classification of Ruth B Ulmer Dam?

Ruth B Ulmer 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 Ruth B Ulmer Dam?

Ruth B Ulmer Dam is owned by BEVERLY ULMER TRUSTEE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Ruth B Ulmer Dam built?

Ruth B Ulmer Dam was completed in 1960, making it 66 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 Ruth B Ulmer Dam?

Ruth B Ulmer 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 Ruth B Ulmer Dam?

Ruth B Ulmer Dam has a dam height of 11 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 Ruth B Ulmer Dam last inspected?

Ruth B Ulmer Dam was last inspected on July 12, 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.