Overview
LA CENTER STP serves approximately 2,935 residents in La Center, Washington. The plant treats municipal wastewater before discharging into the local watershed.
LA CENTER STP is a municipal wastewater treatment plant located in La Center, Clark County, Washington, United States. It serves a population of about 2,935 people, placing it in the small-agglomeration category under US regulatory frameworks. As a small-scale facility, it operates under the US Clean Water Act, which requires secondary treatment for municipal wastewater. Typical plants of this size in Washington use activated sludge or lagoon systems to meet state and federal effluent standards. The treated effluent is discharged into a local water body that ultimately drains into the Columbia River basin, which flows to the Pacific Ocean. The plant plays a role in protecting water quality in the region, supporting aquatic life and downstream ecosystems.
Environmental context
The plant discharges into a tributary of the Columbia River, one of the largest river systems in North America. The Columbia River supports diverse aquatic life, including salmon runs and other migratory fish species. Downstream, the river flows into the Pacific Ocean, contributing to the marine environment of the Pacific Northwest. The plant's operations help maintain water quality in this ecologically significant watershed.
Frequently asked questions
LA CENTER STP is located at 305 Northwest Pacific Highway, La Center, Clark County, Washington, United States.
LA CENTER STP serves approximately 2,935 residents in the La Center area.
The plant discharges treated effluent into a local water body that flows into the Columbia River basin, eventually reaching the Pacific Ocean.
As a US municipal wastewater plant, LA CENTER STP operates under the Clean Water Act, with National Pollutant Discharge Elimination System (NPDES) permits issued by the Washington State Department of Ecology.
For small agglomerations of this size, typical treatment includes secondary treatment processes such as activated sludge, trickling filters, or lagoon systems, meeting EPA secondary treatment standards.
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