Agreserves Plymouth Wastewater Storage Pond

Columbia· Benton, Washington· Built 2023·
Significant Hazard Other Private

Key Takeaway

Agreserves Plymouth Wastewater Storage Pond is classified as significant hazard in Washington. It was completed in 2023 and is 3 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Length1,600 ft
Max Storage32 acre-ft
Normal Storage23 acre-ft
Drainage Area3 sq mi
Max Discharge0 cfs
Year Completed2023 (3 years old)
NID IDWA02080

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 9, 2024
State Regulated: Yes
Regulatory Agency: Washington Dept of Ecology

Ownership

AgReserves Inc

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Agreserves Plymouth Wastewater Storage Pond?

Agreserves Plymouth Wastewater Storage Pond 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 Agreserves Plymouth Wastewater Storage Pond?

Agreserves Plymouth Wastewater Storage Pond is owned by AgReserves Inc (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Agreserves Plymouth Wastewater Storage Pond built?

Agreserves Plymouth Wastewater Storage Pond was completed in 2023, making it 3 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 Agreserves Plymouth Wastewater Storage Pond?

Agreserves Plymouth Wastewater Storage Pond serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

When was Agreserves Plymouth Wastewater Storage Pond last inspected?

Agreserves Plymouth Wastewater Storage Pond was last inspected on May 9, 2024. 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.