Basin `B'

OHIO RIVER - OFFSTREAM· Hamilton, Ohio· Built 1981· Earth· 50 ft tall
Significant Hazard Tailings Public Utility

Key Takeaway

Basin `B' is classified as significant hazard in Ohio. It was completed in 1981 and is 45 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 50 ft (taller than 91.5% in OH)
Dam Length4,800 ft
Dam TypeEarth
Max Storage830 acre-ft
Drainage Area0 sq mi
Max Discharge180 cfs
Year Completed1981 (45 years old)
NID IDOH01691

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: May 6, 2021
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Dynegy Miami Fort, LLC

Public Utility

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Basin `B'?

Basin `B' 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 Basin `B'?

Basin `B' is owned by Dynegy Miami Fort, LLC (Public Utility). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Basin `B' built?

Basin `B' was completed in 1981, making it 45 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 Basin `B'?

Basin `B' serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Basin `B'?

Basin `B' has a dam height of 50 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 Basin `B' last inspected?

Basin `B' was last inspected on May 6, 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.