Overview
Presque Isle WWTF serves 7,800 residents in Presque Isle, Maine. The plant discharges treated wastewater into the Aroostook River watershed, which drains to the Saint John River and ultimately the Bay of Fundy.
Presque Isle WWTF is a municipal wastewater treatment facility located at 126 Dyer Street in Presque Isle, Maine. It serves a population of approximately 7,800 people in this northern Maine community, situated near the Canadian border in Aroostook County. As a US facility, the plant operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting. For a community of this size, secondary treatment is typically required, with additional nutrient removal if the receiving water body is sensitive to eutrophication. The plant's treated effluent flows into the Aroostook River, a tributary of the Saint John River. The Saint John River system drains into the Bay of Fundy, a globally significant estuary known for its extreme tides and rich marine biodiversity. The plant's operations help protect downstream water quality in this ecologically important watershed.
Environmental context
The Presque Isle WWTF discharges into the Aroostook River, which flows northward to join the Saint John River in New Brunswick, Canada. The Saint John River empties into the Bay of Fundy, a critical habitat for migratory fish like Atlantic salmon and shorebirds. The watershed supports diverse aquatic life and is an important corridor for species moving between freshwater and marine environments.
Frequently asked questions
Presque Isle WWTF is located at 126 Dyer Street in Presque Isle, Maine, United States. It serves the city of Presque Isle in Aroostook County, near the Canadian border.
The plant serves approximately 7,800 residents of Presque Isle, Maine. This population size classifies it as a small to medium-sized municipal treatment facility.
The plant discharges treated effluent into the Aroostook River, which flows into the Saint John River and eventually reaches the Bay of Fundy. The discharge is regulated under the Clean Water Act through an NPDES permit.
As a US facility, Presque Isle WWTF operates under the Clean Water Act and is subject to National Pollutant Discharge Elimination System (NPDES) permitting. The permit sets limits on pollutants to protect water quality in the receiving water body.
For a population of 7,800, secondary treatment is standard under the Clean Water Act. This involves biological treatment to remove organic matter and suspended solids. Some plants may also include disinfection or nutrient removal depending on local water quality requirements.
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