Overview
ERWIN STP serves Erwin, Tennessee, treating wastewater for approximately 6,331 residents. The plant operates under U.S. Clean Water Act regulations, discharging into the local watershed.
ERWIN STP is a municipal wastewater treatment plant located on North Industrial Road in Erwin, Unicoi County, Tennessee. The facility serves a population of about 6,331 people, placing it in the small-to-medium agglomeration category for U.S. wastewater infrastructure. As a U.S. plant, ERWIN STP operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting. The population served suggests a moderate-scale operation. The plant discharges into the Nolichucky River watershed, which flows through eastern Tennessee and eventually joins the French Broad River, part of the Tennessee River system. This river system supports diverse aquatic life and provides water for downstream communities. The plant's operations are important for protecting water quality in this region.
Environmental context
ERWIN STP discharges into the Nolichucky River, a tributary of the French Broad River, which flows into the Tennessee River and ultimately the Ohio and Mississippi Rivers. The Nolichucky River supports diverse aquatic species and is used for recreation. The plant's discharge must meet state and federal water quality standards to protect this downstream ecosystem.
Frequently asked questions
ERWIN STP is located on North Industrial Road in Erwin, Unicoi County, Tennessee, United States.
ERWIN STP serves approximately 6,331 residents in the Erwin area.
ERWIN STP discharges into the Nolichucky River, which flows into the French Broad River and eventually the Tennessee River system.
ERWIN STP operates under the U.S. Clean Water Act and is likely permitted through the National Pollutant Discharge Elimination System (NPDES), which sets effluent limits to protect water quality.
For a plant serving about 6,331 people, secondary treatment is typically required under the Clean Water Act, which removes at least 85% of organic matter and suspended solids.
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