West Bank Project Reservoir
West Bank Project Reservoir is an earth dam located in Franklin County, Washington, built in 2003. It carries a High hazard potential classification and has a satisfactory condition assessment.
About West Bank Project Reservoir
The primary purpose of West Bank Project Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Borton Fruit Co. (private). It impounds the Unnamed Tributary To The Snake near Pasco.
The dam stands 34 feet tall and stretches 2,320 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 171 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2003, the structure is relatively new.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 04/25/2023.
At 34 feet, this dam is taller than 80% of dams nationwide.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Washington dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Washington |
| County | Franklin |
| Nearest City | Pasco |
| River/Stream | Unnamed Tributary To The Snake |
| Coordinates | 46.26263, -118.92814 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Length | 2,320 ft |
| Year Completed | 2003 (23 years old) |
Storage & Hydraulics
| NID Storage | 171 acre-ft |
| Max Storage | 171 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 215 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Borton Fruit Co. |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/25/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WA00684 |
| Federal ID | WA00684 |
| More Info | State Dam Safety Program |