Mallard Cove Lake Dam

TRIBUTARY TO MUDDY CREEK· Hamilton, Ohio· Built 1984· Earth· 36 ft tall
Significant Hazard Recreation Private

Key Takeaway

Mallard Cove Lake Dam is classified as significant hazard in Ohio. It was completed in 1984 and is 42 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 36 ft (taller than 76% in OH)
Dam Length225 ft
Dam TypeEarth
Max Storage52 acre-ft
Normal Storage26 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge1,155 cfs
Year Completed1984 (42 years old)
NID IDOH01704

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: June 3, 2021
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Craig W.F. Hilsinger

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mallard Cove Lake Dam?

Mallard Cove Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Mallard Cove Lake Dam?

Mallard Cove Lake Dam is owned by Craig W.F. Hilsinger (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mallard Cove Lake Dam built?

Mallard Cove Lake Dam was completed in 1984, making it 42 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 Cove Lake Dam?

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

How tall is Mallard Cove Lake Dam?

Mallard Cove Lake Dam has a dam height of 36 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 Mallard Cove Lake Dam last inspected?

Mallard Cove Lake Dam was last inspected on June 3, 2021. 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.