Lake Mackintosh Dam

Great Alamance Creek· Alamance, North Carolina· Built 1992· Concrete·
High Hazard Recreation Water Supply Local Government

Key Takeaway

Lake Mackintosh Dam is classified as high hazard in North Carolina. It was completed in 1992 and is 34 years old. Its primary use is recreation. 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 Length400 ft
Dam TypeConcrete
Max Storage30.8K acre-ft
Normal Storage23.0K acre-ft
Surface Area1,125 acres
Drainage Area86,400 sq mi
Max Discharge122,500 cfs
Year Completed1992 (34 years old)
NID IDNC04954

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: March 2, 2023
State Regulated: Yes
Regulatory Agency: NCDEQ, DEMLR, Dam Safety Program

Ownership

City of Burlington

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Mackintosh Dam?

Lake Mackintosh 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 Lake Mackintosh Dam?

Lake Mackintosh Dam is owned by City of Burlington (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Mackintosh Dam built?

Lake Mackintosh Dam was completed in 1992, making it 34 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 Lake Mackintosh Dam?

Lake Mackintosh Dam serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Lake Mackintosh Dam last inspected?

Lake Mackintosh Dam was last inspected on March 2, 2023. 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.