Clemson Upper Diversion Dam

SENECA RIVER· Oconee, South Carolina· Built 1961· Earth· 75 ft tall
High Hazard Flood Risk Reduction Federal Government

Key Takeaway

Clemson Upper Diversion Dam is classified as high hazard in South Carolina. It was completed in 1961 and is 65 years old. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 75 ft (taller than 99% in SC)
Dam Length2,100 ft
Dam TypeEarth
Max Storage3.4M acre-ft
Normal Storage2.6M acre-ft
Surface Area0 acres
Drainage Area2,088 sq mi
Max Discharge0 cfs
Year Completed1961 (65 years old)
NID IDSC02753

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: June 7, 2022
State Regulated: No

Ownership

USACE - Savannah District

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Clemson Upper Diversion Dam?

Clemson Upper Diversion Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Clemson Upper Diversion Dam?

Clemson Upper Diversion Dam is owned by USACE - Savannah District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Clemson Upper Diversion Dam built?

Clemson Upper Diversion Dam was completed in 1961, making it 65 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 Clemson Upper Diversion Dam?

Clemson Upper Diversion Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Clemson Upper Diversion Dam?

Clemson Upper Diversion Dam has a dam height of 75 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 Clemson Upper Diversion Dam last inspected?

Clemson Upper Diversion Dam was last inspected on June 7, 2022. 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.