Johnson Lake Dam

TRIBUTARY TO LEATHERWOOD CREEK· Guernsey, Ohio· Built 1976· Earth· 12 ft tall
Low Hazard Recreation Private

Key Takeaway

Johnson Lake Dam is classified as low hazard in Ohio. It was completed in 1976 and is 50 years old. Its primary use is recreation.

Physical Details

Dam Height 12 ft (taller than 4.8% in OH)
Dam Length1,750 ft
Dam TypeEarth
Max Storage55 acre-ft
Normal Storage26 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Max Discharge191 cfs
Year Completed1976 (50 years old)
NID IDOH01677

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
Last Inspection: October 21, 2022
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Lereal Properties, LLC

Private

Nearby Dams

Cambridge City Reservoir Dam

Guernsey, OH

Significant Hazard 47 ft

Indian Lakes Rec. Area Lower Lake Dam

Guernsey, OH

High Hazard 19 ft

City of Cambridge Park Dam

Guernsey, OH

Significant Hazard 16 ft

Indian Lakes Rec. Area Upper Lake Dam

Guernsey, OH

Significant Hazard 19 ft

Leatherwood Lake Dam

Guernsey, OH

Significant Hazard 12 ft

Shugert Lane Dam

Guernsey, OH

Significant Hazard 25 ft

Robins Ridge Golf Club Lake No. 1 Dam

Guernsey, OH

Low Hazard 26 ft

Robins Ridge Golf Club Lake No. 2 Dam

Guernsey, OH

Low Hazard 28 ft

Frequently Asked Questions

What is the hazard classification of Johnson Lake Dam?

Johnson 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 Johnson Lake Dam?

Johnson Lake Dam is owned by Lereal Properties, LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Johnson Lake Dam built?

Johnson Lake Dam was completed in 1976, making it 50 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 Johnson Lake Dam?

Johnson 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 Johnson Lake Dam?

Johnson Lake Dam has a dam height of 12 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 Johnson Lake Dam last inspected?

Johnson Lake Dam was last inspected on October 21, 2022. 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.