Pasco Industrial Wastewater System
Pasco Industrial Wastewater System is an earth dam located in Franklin County, Washington, built in 1995. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Pasco Industrial Wastewater System
The primary purpose of Pasco Industrial Wastewater System is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Pasco City (local government). It impounds the Tr - Columbia River near Pasco.
The dam stands 15 feet tall, creates a reservoir covering 6 acres, and has a maximum storage capacity of 168 acre-feet. Completed in 1995, the structure is 31 years old.
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. 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 08/08/2018.
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Location
| State | Washington |
| County | Franklin |
| Nearest City | Pasco |
| River/Stream | Tr - Columbia River |
| Coordinates | 46.29500, -119.06247 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Year Completed | 1995 (31 years old) |
Storage & Hydraulics
| NID Storage | 168 acre-ft |
| Max Storage | 168 acre-ft |
| Normal Storage | 132 acre-ft |
| Surface Area | 6 acres |
| Max Discharge | 12 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Pasco City |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/08/2018 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | WA00627 |
| Federal ID | WA00627 |
| More Info | State Dam Safety Program |