Stanley Upper Lake Dam

TRIBUTARY TO CONOTTON CREEK· Carroll, Ohio· Built 1933· Earth· 37 ft tall
Significant Hazard Recreation Private

Key Takeaway

Stanley Upper Lake Dam is classified as significant hazard in Ohio. It was completed in 1933 and is 93 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 37 ft (taller than 77.9% in OH)
Dam Length635 ft
Dam TypeEarth
Max Storage114 acre-ft
Normal Storage92 acre-ft
Surface Area9 acres
Drainage Area0 sq mi
Max Discharge18 cfs
Year Completed1933 (93 years old)
NID IDOH00461

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: July 28, 2020
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Mark Shrock

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Stanley Upper Lake Dam?

Stanley Upper Lake 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 Stanley Upper Lake Dam?

Stanley Upper Lake Dam is owned by Mark Shrock (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Stanley Upper Lake Dam built?

Stanley Upper Lake Dam was completed in 1933, making it 93 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 Stanley Upper Lake Dam?

Stanley Upper 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 Stanley Upper Lake Dam?

Stanley Upper Lake Dam has a dam height of 37 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 Stanley Upper Lake Dam last inspected?

Stanley Upper Lake Dam was last inspected on July 28, 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.