Two Mile Dam

GREAT MIAMI RIVER· Butler, Ohio· Concrete· 10 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

Two Mile Dam is classified as low hazard in Ohio. Its primary use is flood risk reduction.

Physical Details

Dam Height 10 ft (taller than 2.3% in OH)
Dam Length820 ft
Dam TypeConcrete
Max Storage415 acre-ft
Normal Storage415 acre-ft
Surface Area53 acres
Drainage Area3,475 sq mi
Max Discharge350,000 cfs
NID IDOH00390

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: Yes
Last Inspection: March 29, 2016
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 Two Mile Dam?

Two Mile Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Two Mile Dam?

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

What is the primary purpose of Two Mile Dam?

Two Mile 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 Two Mile Dam?

Two Mile Dam has a dam height of 10 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 Two Mile Dam last inspected?

Two Mile Dam was last inspected on March 29, 2016. 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.