Newton Stewart STW - Wastewater Treatment Plant in Newton Stewart, Scotland

Newton Stewart STW is a wastewater treatment plant located in Newton Stewart, Dumfries and Galloway, Scotland. It serves a population of around 5,020 people, classifying it as a small to medium agglomeration under UK regulatory frameworks. The plant is situated near the coast, within 50 km of the Solway Firth, and its operations are subject to Scottish Environment Protection Agency (SEPA) permitting. As a UK wastewater facility, Newton Stewart STW is regulated under the Urban Waste Water Treatment (Scotland) Regulations 1994, which transpose the EU Urban Waste Water Treatment Directive. For a population of this size, secondary treatment is typically required, with additional nutrient removal if discharging into sensitive areas. The plant's designed capacity is 1.00 (likely in megalitres per day or similar unit), indicating its scale. The treated effluent from Newton Stewart STW ultimately drains into the Solway Firth, an important estuary that supports diverse aquatic life and migratory bird populations. The Solway Firth is a major inlet of the Irish Sea, and its waters are used for recreation and fisheries. The plant's discharge contributes to the overall water quality management in this ecologically sensitive coastal environment.

Newton Stewart STW discharges into the River Cree, which flows into Wigtown Bay and then the Solway Firth. The Solway Firth is a large estuary that supports diverse aquatic life, including salmon and sea trout, and is an important migratory corridor for birds. The area is ecologically sensitive due to its intertidal habitats and proximity to designated nature conservation sites.