Avalon

Mayo River· Rockingham, North Carolina· Built 1900· Gravity· 30 ft tall
Low Hazard Hydroelectric Private

Key Takeaway

Avalon is classified as low hazard in North Carolina. It was completed in 1900 and is 126 years old. Its primary use is hydroelectric.

Physical Details

Dam Height 30 ft (taller than 52.4% in NC)
Dam Length456 ft
Dam TypeGravity
Max Storage100 acre-ft
Normal Storage100 acre-ft
Surface Area11 acres
Drainage Area310 sq mi
Max Discharge18,342 cfs
Year Completed1900 (126 years old)
NID IDNC03908

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: February 22, 2023
State Regulated: No

Ownership

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Avalon?

Avalon 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 Avalon?

Avalon is owned by information not available (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Avalon built?

Avalon was completed in 1900, making it 126 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 Avalon?

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

How tall is Avalon?

Avalon has a dam height of 30 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 Avalon last inspected?

Avalon was last inspected on February 22, 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.