Cygnet Wwt Lagoon

ROCKY FORD· Wood, Ohio· Built 1994· Earth· 9 ft tall
Significant Hazard Tailings Local Government

Key Takeaway

Cygnet Wwt Lagoon is classified as significant hazard in Ohio. It was completed in 1994 and is 32 years old. Its primary use is tailings. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 9 ft (taller than 0.9% in OH)
Dam Length3,446 ft
Dam TypeEarth
Max Storage133 acre-ft
Normal Storage100 acre-ft
Surface Area16 acres
Drainage Area0 sq mi
Max Discharge2 cfs
Year Completed1994 (32 years old)
NID IDOH02871

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: December 5, 2019
State Regulated: Yes
Regulatory Agency: Department of Natural Resources

Ownership

Northwestern Water & Sewer District

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cygnet Wwt Lagoon?

Cygnet Wwt Lagoon 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 Cygnet Wwt Lagoon?

Cygnet Wwt Lagoon is owned by Northwestern Water & Sewer District (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cygnet Wwt Lagoon built?

Cygnet Wwt Lagoon was completed in 1994, making it 32 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 Cygnet Wwt Lagoon?

Cygnet Wwt Lagoon serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Cygnet Wwt Lagoon?

Cygnet Wwt Lagoon has a dam height of 9 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 Cygnet Wwt Lagoon last inspected?

Cygnet Wwt Lagoon was last inspected on December 5, 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.