Overview
Lancaster WWTF serves 3,310 residents in Lancaster, New Hampshire. The plant discharges treated wastewater into the Upper Connecticut River watershed, ultimately draining to the Gulf of Maine.
Lancaster WWTF is a municipal wastewater treatment facility located at 192 Water Street in Lancaster, New Hampshire, serving a population of approximately 3,310. The plant operates under the U.S. Clean Water Act, which requires NPDES permits for discharges to surface waters. As a small agglomeration, the facility is expected to meet secondary treatment standards to protect water quality. The plant's treated effluent is discharged into the Upper Connecticut River watershed, which flows southward through New Hampshire and Vermont before emptying into Long Island Sound. This region supports diverse aquatic life and is an important corridor for migratory fish species. The facility plays a key role in maintaining the ecological health of the Connecticut River basin.
Environmental context
The plant discharges into the Upper Connecticut River watershed, part of the larger Connecticut River basin that drains into Long Island Sound. The receiving waters support coldwater fisheries, including brook trout and Atlantic salmon, and are subject to state water quality standards for dissolved oxygen and nutrient levels. Downstream ecosystems rely on consistent treatment to prevent eutrophication and habitat degradation.
Frequently asked questions
Lancaster WWTF is located at 192 Water Street in Lancaster, New Hampshire, United States.
The plant serves approximately 3,310 residents in the Lancaster area.
The plant discharges treated effluent into the Upper Connecticut River watershed, which flows into Long Island Sound.
The plant operates under the U.S. Clean Water Act, requiring an NPDES permit issued by the state of New Hampshire to ensure discharges meet water quality standards.
Small municipal plants in the U.S. typically provide secondary treatment, which includes biological processes to reduce organic matter and suspended solids, as required by the Clean Water Act.
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