Howison Lake Dam

TRIBUTARY TO McCONNEL RUN· Vinton, Ohio· Built 1975· Earth· 32 ft tall
Low Hazard Recreation Private

Key Takeaway

Howison Lake Dam is classified as low hazard in Ohio. It was completed in 1975 and is 51 years old. Its primary use is recreation.

Physical Details

Dam Height 32 ft (taller than 67.5% in OH)
Dam Length280 ft
Dam TypeEarth
Max Storage64 acre-ft
Normal Storage28 acre-ft
Surface Area4 acres
Drainage Area0 sq mi
Max Discharge754 cfs
Year Completed1975 (51 years old)
NID IDOH00940

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: May 13, 2021
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Peter W. Howison

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Howison Lake Dam?

Howison Lake 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 Howison Lake Dam?

Howison Lake Dam is owned by Peter W. Howison (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Howison Lake Dam built?

Howison Lake Dam was completed in 1975, making it 51 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 Howison Lake Dam?

Howison 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 Howison Lake Dam?

Howison Lake Dam has a dam height of 32 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 Howison Lake Dam last inspected?

Howison Lake Dam was last inspected on May 13, 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.