Mason Lake Dam

Horse Creek· Wake, North Carolina· Built 1962· Earth·
High Hazard Recreation Private

Key Takeaway

Mason Lake Dam is classified as high hazard in North Carolina. It was completed in 1962 and is 64 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 Length480 ft
Dam TypeEarth
Max Storage52 acre-ft
Normal Storage43 acre-ft
Surface Area3 acres
Max Discharge132 cfs
Year Completed1962 (64 years old)
NID IDNC00865

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: No
Last Inspection: February 15, 2022
State Regulated: Yes
Regulatory Agency: NCDEQ, DEMLR, Dam Safety Program

Ownership

Diazit Company Inc

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mason Lake Dam?

Mason Lake 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 Mason Lake Dam?

Mason Lake Dam is owned by Diazit Company Inc (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mason Lake Dam built?

Mason Lake Dam was completed in 1962, making it 64 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 Mason Lake Dam?

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

When was Mason Lake Dam last inspected?

Mason Lake Dam was last inspected on February 15, 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.