Agreserves Plymouth Wastewater Storage Pond
Agreserves Plymouth Wastewater Storage Pond is a dam located in Benton County, Washington, built in 2023. It carries a Significant hazard potential classification.
About Agreserves Plymouth Wastewater Storage Pond
Agreserves Plymouth Wastewater Storage Pond is a dam in Benton, Washington. The dam is owned by Agreserves Inc (private). It impounds the Columbia near Plymoth.
The dam stands 19 feet tall and stretches 1,600 feet across, has a maximum storage capacity of 32 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 2023, the structure is relatively new.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Washington |
| County | Benton |
| Nearest City | Plymoth |
| River/Stream | Columbia |
| Coordinates | 45.94252, -119.36813 |
Physical Characteristics
| NID Height | 19 ft |
| Dam Length | 1,600 ft |
| Year Completed | 2023 (3 years old) |
Storage & Hydraulics
| NID Storage | 32 acre-ft |
| Max Storage | 32 acre-ft |
| Normal Storage | 23 acre-ft |
| Drainage Area | 3 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | AgReserves Inc |
| Owner Type | Private |
| Hazard Classification | Significant |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WA02080 |
| Federal ID | WA02080 |
| More Info | State Dam Safety Program |