Upper Supply Dam

Harrison, Ohio· Earth· 10 ft tall
Low Hazard Water Supply Private

Key Takeaway

Upper Supply Dam is classified as low hazard in Ohio. Its primary use is water supply.

Physical Details

Dam Height 10 ft (taller than 2.3% in OH)
Dam Length500 ft
Dam TypeEarth
Max Storage198 acre-ft
NID IDOH83454

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: No
State Regulated: No

Ownership

Oasis Tag LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Upper Supply Dam?

Upper Supply 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 Upper Supply Dam?

Upper Supply Dam is owned by Oasis Tag LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Upper Supply Dam?

Upper Supply Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Upper Supply Dam?

Upper Supply 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.

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.