Overview
Pease Development WWTF in Portsmouth, New Hampshire, serves approximately 50,000 people. The facility operates under U.S. Clean Water Act regulations with NPDES permitting.
Pease Development WWTF is a municipal wastewater treatment facility located at 135 Corporate Drive in the Pease International Tradeport area of Portsmouth, New Hampshire. The plant serves a population of around 50,000, placing it in the medium-to-large agglomeration category for U.S. wastewater infrastructure. As a U.S. facility, the plant operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permits issued by the New Hampshire Department of Environmental Services. Plants of this scale typically employ secondary treatment as a minimum, with potential for advanced treatment depending on discharge requirements. The plant discharges treated effluent into the Piscataqua River watershed, which flows into the Gulf of Maine and the Atlantic Ocean. The Piscataqua River estuary supports diverse aquatic life, including migratory fish species, and is an important ecological corridor for the region. The plant's location within 50 km of the coast means its discharge can influence coastal water quality.
Environmental context
The plant's treated effluent enters the Piscataqua River, a tidal estuary that drains into the Gulf of Maine and the Atlantic Ocean. This watershed supports critical habitats for fish, shellfish, and migratory birds. The estuary's health is sensitive to nutrient loading and pollutant inputs, making effective wastewater treatment essential for maintaining water quality and ecological balance in the downstream coastal environment.
Frequently asked questions
Pease Development WWTF is located at 135 Corporate Drive in the Pease International Tradeport area of Portsmouth, New Hampshire, United States.
The plant serves approximately 50,000 people, placing it in the medium-to-large agglomeration category for U.S. wastewater treatment facilities.
The plant discharges treated effluent into the Piscataqua River, a tidal estuary that flows into the Gulf of Maine and the Atlantic Ocean.
As a U.S. facility, Pease Development WWTF operates under the Clean Water Act and is regulated through an NPDES permit issued by the New Hampshire Department of Environmental Services.
Plants of this scale in the U.S. typically employ secondary treatment as a minimum, with some facilities incorporating advanced treatment to meet specific permit limits for nutrients or other pollutants.
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