Jimmy Mcnair Dam
Key Takeaway
Jimmy Mcnair Dam is classified as significant hazard in South Carolina. It was completed in 1953 and is 73 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.
Physical Details
| Dam Height | 22 ft (taller than 52.9% in SC) |
| Max Storage | 97 acre-ft |
| Normal Storage | 79 acre-ft |
| Surface Area | 9 acres |
| Year Completed | 1953 (73 years old) |
| NID ID | SC02231 |
Safety Information
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?
Ownership
ALEXAI AND LUBOV DIFORT;BRYAN AND PAMELA HARPER;JAMES E HUGHETT;KAREN L DAY AND DAWN S MALOY
Private
Nearby Dams
Tex Harmon Dam
Spartanburg, SC
Low Hazard 27 ftRw Miller Pond Dam
Spartanburg, SC
Low Hazard 21 ftEw Martin Lake Dam
Spartanburg, SC
Low Hazard 29 ftR Milliken Pond 1 Dam
Spartanburg, SC
High Hazard 18 ftWe Morris Dam
Spartanburg, SC
Low Hazard 25 ftD Honey No 3 Pond Dam
Spartanburg, SC
High Hazard 20 ftR Milliken Pond 2 Dam
Spartanburg, SC
Significant Hazard 20 ftTyger Oak Dam 3
Spartanburg, SC
Low Hazard 28 ftFrequently Asked Questions
What is the hazard classification of Jimmy Mcnair Dam?
Jimmy Mcnair 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 Jimmy Mcnair Dam?
Jimmy Mcnair Dam is owned by ALEXAI AND LUBOV DIFORT;BRYAN AND PAMELA HARPER;JAMES E HUGHETT;KAREN L DAY AND DAWN S MALOY (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Jimmy Mcnair Dam built?
Jimmy Mcnair Dam was completed in 1953, making it 73 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 Jimmy Mcnair Dam?
Jimmy Mcnair 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 Jimmy Mcnair Dam?
Jimmy Mcnair Dam has a dam height of 22 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 Jimmy Mcnair Dam last inspected?
Jimmy Mcnair Dam was last inspected on September 27, 2021. Inspection dates indicate when a formal review occurred, not the results of that inspection.