Long Valley Lake Dam

Long Valley Branch· Buncombe, North Carolina· Built 1983· Earth·
Low Hazard Irrigation Private

Key Takeaway

Long Valley Lake Dam is classified as low hazard in North Carolina. It was completed in 1983 and is 43 years old. Its primary use is irrigation.

Physical Details

Dam Length300 ft
Dam TypeEarth
Max Storage930 acre-ft
Normal Storage570 acre-ft
Surface Area15 acres
Drainage Area1,218 sq mi
Year Completed1983 (43 years old)
NID IDNC01935

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: March 24, 2022
State Regulated: Yes
Regulatory Agency: NCDEQ, DEMLR, Dam Safety Program

Ownership

West Range, LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Long Valley Lake Dam?

Long Valley Lake Dam 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 Long Valley Lake Dam?

Long Valley Lake Dam is owned by West Range, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Long Valley Lake Dam built?

Long Valley Lake Dam was completed in 1983, making it 43 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 Long Valley Lake Dam?

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

When was Long Valley Lake Dam last inspected?

Long Valley Lake Dam was last inspected on March 24, 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.