Marshall Active Ash Basin Dam

Lake Norman· Catawba, North Carolina· Built 1962· Earth·
High Hazard Other Public Utility

Key Takeaway

Marshall Active Ash Basin Dam is classified as high hazard in North Carolina. It was completed in 1962 and is 64 years old. Its primary use is other. 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 Length2,650 ft
Dam TypeEarth
Max Storage10.2K acre-ft
Normal Storage0 acre-ft
Surface Area80 acres
Drainage Area1,172 sq mi
Max Discharge0 cfs
Year Completed1962 (64 years old)
NID IDNC01322

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: August 22, 2023
State Regulated: Yes
Regulatory Agency: NCDEQ, DEMLR, Dam Safety Program

Ownership

Duke Energy Corporation

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Marshall Active Ash Basin Dam?

Marshall Active Ash Basin 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 Marshall Active Ash Basin Dam?

Marshall Active Ash Basin Dam is owned by Duke Energy Corporation (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Marshall Active Ash Basin Dam built?

Marshall Active Ash Basin 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 Marshall Active Ash Basin Dam?

Marshall Active Ash Basin Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Marshall Active Ash Basin Dam last inspected?

Marshall Active Ash Basin Dam was last inspected on August 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.