Mallard Lake Dam Upper

Muddy Creek· Forsyth, North Carolina· Built 1967· Earth·
High Hazard Recreation Private

Key Takeaway

Mallard Lake Dam Upper is classified as high hazard in North Carolina. It was completed in 1967 and is 59 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 Length250 ft
Dam TypeEarth
Max Storage77 acre-ft
Normal Storage47 acre-ft
Surface Area8 acres
Drainage Area364 sq mi
Year Completed1967 (59 years old)
NID IDNC02469

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: May 26, 2022
State Regulated: Yes
Regulatory Agency: NCDEQ, DEMLR, Dam Safety Program

Ownership

Mallard Lake Association

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mallard Lake Dam Upper?

Mallard Lake Dam Upper 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 Mallard Lake Dam Upper?

Mallard Lake Dam Upper is owned by Mallard Lake Association (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mallard Lake Dam Upper built?

Mallard Lake Dam Upper was completed in 1967, making it 59 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 Mallard Lake Dam Upper?

Mallard Lake Dam Upper 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 Mallard Lake Dam Upper last inspected?

Mallard Lake Dam Upper was last inspected on May 26, 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.