Lenox Dept of Public Works Wastewater Treatment Plant, Lenox, Massachusetts

The Lenox Dept of Public Works wastewater treatment plant is located at 239 Crystal Street in Lenox Dale, a village within the town of Lenox, Massachusetts. The plant serves a population of about 9,352 people, placing it in the small-to-medium agglomeration category for US municipal wastewater systems. As a US facility, the plant operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting, typically administered by the Massachusetts Department of Environmental Protection. For a plant of this scale, secondary treatment is the standard requirement, with possible additional nutrient controls depending on the receiving water body's sensitivity. The plant's treated effluent likely discharges to a tributary of the Housatonic River, which flows south through western Massachusetts and Connecticut into Long Island Sound. The Housatonic watershed supports diverse aquatic life and recreational uses, and its ecological health is influenced by wastewater discharges from communities along its course.

The plant's discharge likely enters a tributary of the Housatonic River, which flows approximately 149 miles south through Massachusetts and Connecticut before emptying into Long Island Sound. The Housatonic watershed supports a variety of fish species, including trout and bass, and provides habitat for migratory birds. Downstream, Long Island Sound is an ecologically significant estuary that supports commercial and recreational fisheries, as well as marine ecosystems sensitive to nutrient loading.