Ashley Waterworks Reservoir

WEST BRANCH OF ALUM CREEK - OFFSTREAM· Delaware, Ohio· Built 1954· Earth· 12 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Ashley Waterworks Reservoir 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 12 ft (taller than 4.8% in OH)
Dam Length1,860 ft
Dam TypeEarth
Max Storage52 acre-ft
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1954 (72 years old)
NID IDOH01509

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: December 23, 2020
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Village of Ashley

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Ashley Waterworks Reservoir?

Ashley Waterworks Reservoir 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 Ashley Waterworks Reservoir?

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

When was Ashley Waterworks Reservoir built?

Ashley Waterworks Reservoir 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 Ashley Waterworks Reservoir?

Ashley Waterworks Reservoir 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 Ashley Waterworks Reservoir?

Ashley Waterworks Reservoir 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 Ashley Waterworks Reservoir last inspected?

Ashley Waterworks Reservoir was last inspected on December 23, 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.