Cedarville Upground Reservoir

MASSIES CREEK - OFFSTREAM· Greene, Ohio· Built 1963· Earth· 15 ft tall
High Hazard Local Government

Key Takeaway

Cedarville Upground Reservoir is classified as high hazard in Ohio. It was completed in 1963 and is 63 years old. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 15 ft (taller than 12.4% in OH)
Dam Length1,570 ft
Dam TypeEarth
Max Storage72 acre-ft
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1963 (63 years old)
NID IDOH00807

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: March 26, 2019
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Village of Cedarville

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cedarville Upground Reservoir?

Cedarville Upground Reservoir is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Cedarville Upground Reservoir?

Cedarville Upground Reservoir is owned by Village of Cedarville (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cedarville Upground Reservoir built?

Cedarville Upground Reservoir was completed in 1963, making it 63 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Cedarville Upground Reservoir?

Cedarville Upground Reservoir has a dam height of 15 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 Cedarville Upground Reservoir last inspected?

Cedarville Upground Reservoir was last inspected on March 26, 2019. 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.