Hidden Lakes Dam

TRIBUTARY TO CHAGRIN RIVER· Geauga, Ohio· Built 1954· Earth· 22 ft tall
Significant Hazard Recreation Private

Key Takeaway

Hidden Lakes Dam is classified as significant hazard in Ohio. It was completed in 1954 and is 72 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 22 ft (taller than 33.3% in OH)
Dam Length250 ft
Dam TypeEarth
Max Storage35 acre-ft
Normal Storage15 acre-ft
Surface Area3 acres
Drainage Area1 sq mi
Max Discharge316 cfs
Year Completed1954 (72 years old)
NID IDOH01619

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 10, 2018
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Multiple Owners - 1312-004

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hidden Lakes Dam?

Hidden Lakes Dam 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 Hidden Lakes Dam?

Hidden Lakes Dam is owned by Multiple Owners - 1312-004 (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hidden Lakes Dam built?

Hidden Lakes Dam was completed in 1954, making it 72 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 Hidden Lakes Dam?

Hidden Lakes 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 Hidden Lakes Dam?

Hidden Lakes Dam has a dam height of 22 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 Hidden Lakes Dam last inspected?

Hidden Lakes Dam was last inspected on May 10, 2018. 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.