Green Lake Dam

UNNAMED TRIBUTARY TO MILL CREEK· Logan, Ohio· Built 2002· Earth· 25 ft tall
Low Hazard Recreation Private

Key Takeaway

Green Lake Dam is classified as low hazard in Ohio. It was completed in 2002 and is 24 years old. Its primary use is recreation.

Physical Details

Dam Height 25 ft (taller than 42.1% in OH)
Dam Length480 ft
Dam TypeEarth
Max Storage371 acre-ft
Normal Storage254 acre-ft
Surface Area43 acres
Drainage Area0 sq mi
Max Discharge270 cfs
Year Completed2002 (24 years old)
NID IDOH03130

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: November 5, 2020
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Kent Green

Private

Nearby Dams

Appleseed Ridge Lake No. 1 Dam

Logan, OH

Significant Hazard 43 ft

Appleseed Ridge Lake#2 Dam

Logan, OH

Low Hazard 30 ft

Taylor Lake Dam

Logan, OH

Significant Hazard 23 ft

Pine Lake Dam

Logan, OH

High Hazard 25 ft

Briarwood Sportsman'S Club No. 11 Dam

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High Hazard 50 ft

West Mansfield Wwt Lagoon

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Significant Hazard 10 ft

Blacklidge Lake Dam

Logan, OH

Significant Hazard 27 ft

Camp Wesley Lake Dam

Logan, OH

Low Hazard 14 ft

Frequently Asked Questions

What is the hazard classification of Green Lake Dam?

Green 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 Green Lake Dam?

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

When was Green Lake Dam built?

Green Lake Dam was completed in 2002, making it 24 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 Green Lake Dam?

Green 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 Green Lake Dam?

Green Lake Dam has a dam height of 25 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 Green Lake Dam last inspected?

Green Lake Dam was last inspected on November 5, 2020. 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.