Overview
Metaline Falls S_T FAC is a secondary treatment plant serving 238 people in Pend Oreille Village, Washington. It discharges treated wastewater into the local watershed under U.S. EPA NPDES regulations.
Metaline Falls S_T FAC is a municipal wastewater treatment plant located in Pend Oreille Village, Washington, United States. The facility serves a small population of 238 residents and operates as part of the region's wastewater infrastructure in Pend Oreille County. The plant provides secondary treatment, which is the standard level required by the U.S. Clean Water Act for municipal facilities. With a designed capacity of 238.48 volume units and a discharge volume of 238.48, the plant is sized to match the community's needs. As a small facility, it is subject to state-level NPDES permitting under EPA oversight. The treated effluent is discharged to a receiving water body within the Columbia River basin, which ultimately drains to the Pacific Ocean. The plant plays a key role in protecting local water quality and supporting the ecological health of downstream aquatic habitats.
Environmental context
The plant discharges into a tributary of the Pend Oreille River, which flows into the Columbia River and eventually reaches the Pacific Ocean. The watershed supports diverse aquatic life, including salmonid species, and the plant's secondary treatment helps reduce nutrient and pollutant loads to maintain water quality in this ecologically sensitive region.
Frequently asked questions
The plant is located in Pend Oreille Village, Washington, United States, along WA 31 in Pend Oreille County.
The plant serves a population of 238 residents in the Pend Oreille Village area.
The plant discharges treated effluent into a local water body within the Pend Oreille River watershed, which is part of the larger Columbia River basin.
As a U.S. facility, the plant operates under the Clean Water Act and is subject to NPDES permitting, typically administered by the Washington State Department of Ecology.
For small communities, secondary treatment is standard under the Clean Water Act. This level removes about 85% of organic matter and suspended solids, protecting local water quality.
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