Marshall Retention Basin Dam

Trib to Beaverdam Ck· Catawba, North Carolina· Concrete·
High Hazard Flood Risk Reduction Public Utility

Key Takeaway

Marshall Retention Basin Dam is classified as high hazard in North Carolina. Its primary use is flood risk reduction. 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 Length465 ft
Dam TypeConcrete
Max Storage12 acre-ft
Normal Storage32 acre-ft
Surface Area6 acres
Drainage Area14 sq mi
NID IDNC06202

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 Retention Basin Dam?

Marshall Retention 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 Retention Basin Dam?

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

What is the primary purpose of Marshall Retention Basin Dam?

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

When was Marshall Retention Basin Dam last inspected?

Marshall Retention 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.