Overview
ST JOHN S_T FACILITY is a secondary wastewater treatment plant in Saint John, Washington, serving 523 people. It discharges treated water into the local watershed.
ST JOHN S_T FACILITY is a municipal wastewater treatment plant located at 304 West Front Street in Saint John, Washington. It serves a small population of 523 residents in this rural community within Whitman County. The plant provides secondary treatment, which is the standard level required by the US Clean Water Act for municipal facilities. It has a designed capacity of 378.54 cubic meters per day, matching its current discharge volume, indicating it operates at full capacity. The treated effluent is discharged into the local watershed, which ultimately drains into the Palouse River and then the Snake River, contributing to the Columbia River basin. This system supports agricultural and aquatic ecosystems in the region.
Environmental context
The plant discharges into the Palouse River watershed, which flows into the Snake River and then the Columbia River, eventually reaching the Pacific Ocean. The surrounding area is primarily agricultural, and the plant's secondary treatment helps protect downstream water quality for irrigation and aquatic life.
Frequently asked questions
The plant is located at 304 West Front Street in Saint John, Whitman County, Washington, United States.
The plant serves a population of 523 residents in the small community of Saint John.
The plant provides secondary treatment, which is the standard required by the US Clean Water Act for municipal wastewater facilities.
As a US municipal plant, it operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Washington State Department of Ecology.
The plant discharges approximately 378.54 cubic meters per day of treated wastewater into the local watershed.
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