Overview
St Paul's Outfall is a secondary wastewater treatment plant serving 223 people in St. Paul's, Newfoundland and Labrador, Canada. It discharges treated effluent near the coast of the Gulf of St. Lawrence.
St Paul's Outfall is a municipal wastewater treatment facility located along the Viking Trail in St. Paul's, a small community in Newfoundland and Labrador, Canada. The plant serves a population of 223 and operates with secondary treatment, which is the standard level required under Canadian federal and provincial regulations for communities of this size. As a secondary treatment plant, St Paul's Outfall uses biological processes to reduce organic matter and suspended solids before discharge. The plant is situated within 10 km of the coast, indicating that treated effluent likely enters the marine environment. Canadian wastewater regulations under the Wastewater Systems Effluent Regulations (WSER) set national standards for effluent quality, including carbonaceous biochemical oxygen demand, total suspended solids, and acute lethality. The plant's discharge ultimately reaches the Gulf of St. Lawrence, a large marine basin that supports diverse aquatic life including fish, marine mammals, and seabirds. The coastal waters near St. Paul's are part of a productive ecosystem that relies on good water quality for fisheries and tourism. Proper treatment helps protect these downstream environments from nutrient enrichment and pathogen contamination.
Environmental context
The treated effluent from St Paul's Outfall discharges into the Gulf of St. Lawrence, a major marine ecosystem that drains much of eastern Canada. The Gulf supports important fisheries, including cod, lobster, and herring, and serves as a migratory corridor for whales and seabirds. Coastal waters near St. Paul's are influenced by the cold Labrador Current, which brings nutrient-rich waters that sustain high biological productivity. Maintaining secondary treatment standards helps prevent eutrophication and protects the ecological integrity of this sensitive marine environment.
Frequently asked questions
St Paul's Outfall is located along the Viking Trail in St. Paul's, a small community in Newfoundland and Labrador, Canada. The plant serves the local population and discharges near the coast of the Gulf of St. Lawrence.
The plant serves a population of 223 people in the St. Paul's area of Newfoundland and Labrador.
The plant provides secondary treatment before discharging treated effluent. Given its proximity to the coast (within 10 km), the discharge likely enters the Gulf of St. Lawrence through an outfall pipe.
As a Canadian wastewater facility, St Paul's Outfall operates under the federal Wastewater Systems Effluent Regulations (WSER), which set national standards for effluent quality, including limits on carbonaceous biochemical oxygen demand, total suspended solids, and acute lethality. Provincial regulations from Newfoundland and Labrador also apply.
For small communities in Canada, secondary treatment is the standard requirement under the WSER. This typically involves biological treatment processes such as aerated lagoons or activated sludge to reduce organic matter and suspended solids before discharge.
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