Roundup Lake Dam

TRIBUTARY TO AURORA BRANCH· Portage, Ohio· Built 1949· Earth· 12 ft tall
Significant Hazard Recreation Private

Key Takeaway

Roundup Lake Dam is classified as significant hazard in Ohio. It was completed in 1949 and is 77 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 Length860 ft
Dam TypeEarth
Max Storage188 acre-ft
Normal Storage94 acre-ft
Surface Area32 acres
Drainage Area0 sq mi
Max Discharge230 cfs
Year Completed1949 (77 years old)
NID IDOH00674

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: Yes
Last Inspection: May 23, 2018
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Wood Stone Mantua LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Roundup Lake Dam?

Roundup 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 Roundup Lake Dam?

Roundup Lake Dam is owned by Wood Stone Mantua LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Roundup Lake Dam built?

Roundup Lake Dam was completed in 1949, making it 77 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 Roundup Lake Dam?

Roundup 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 Roundup Lake Dam?

Roundup Lake Dam 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 Roundup Lake Dam last inspected?

Roundup Lake Dam was last inspected on May 23, 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.