Huffman Dam

MAD RIVER· Greene, Ohio· Built 1922· Earth· 73 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

Huffman Dam is classified as high hazard in Ohio. It was completed in 1922 and is 104 years old. 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 Height 73 ft (taller than 97.5% in OH)
Dam Length3,340 ft
Dam TypeEarth
Max Storage297.0K acre-ft
Normal Storage0 acre-ft
Surface Area0 acres
Drainage Area644 sq mi
Max Discharge204,186 cfs
Year Completed1922 (104 years old)
NID IDOH00426

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: September 25, 2019
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

The Miami Conservancy District

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Huffman Dam?

Huffman 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 Huffman Dam?

Huffman Dam is owned by The Miami Conservancy District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Huffman Dam built?

Huffman Dam was completed in 1922, making it 104 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 Huffman Dam?

Huffman 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.

How tall is Huffman Dam?

Huffman Dam has a dam height of 73 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 Huffman Dam last inspected?

Huffman Dam was last inspected on September 25, 2019. 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.