Reardan S_T Facility: Secondary Wastewater Treatment in Reardan, Washington

The Reardan S_T Facility is a municipal wastewater treatment plant located at 420 East Railroad Avenue in Reardan, Washington. Serving a population of 608, it is a small-scale facility designed to meet the community's wastewater needs in this rural area of Lincoln County. The plant provides secondary treatment, which is the standard level required by the US Clean Water Act for municipal facilities of this size. With a designed capacity of 151.42 volume units and a similar discharge volume, the plant operates efficiently within its capacity. As a US facility, it is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the Washington State Department of Ecology, ensuring compliance with water quality standards. The treated effluent is discharged into a local water body, likely a tributary of the Spokane River, which flows into the Columbia River and ultimately reaches the Pacific Ocean. The plant plays a key role in protecting downstream aquatic ecosystems and maintaining water quality in the region.

The Reardan S_T Facility discharges into a local watercourse that drains into the Spokane River, a major tributary of the Columbia River. The Columbia River basin supports diverse aquatic life, including salmon and steelhead runs. The plant's secondary treatment helps reduce nutrient and organic loads, protecting downstream habitats from eutrophication and maintaining ecological balance in this semi-arid region.