Donneybrewer Wastewater Treatment Plant, Derry/Londonderry, Northern Ireland

Donneybrewer wastewater treatment plant is located in Derry/Londonderry, Northern Ireland, serving a population of approximately 5,213. The plant is situated in the Derry and Strabane District, County Londonderry, and is part of the region's municipal wastewater infrastructure. As a small agglomeration under the EU Urban Waste Water Treatment Directive (91/271/EEC), the plant is required to provide at least secondary treatment. The designed capacity is 1.00 (likely in megalitres per day or similar unit), indicating the scale of the facility. It operates within the regulatory framework of the UK and Northern Ireland Environment Agency. The plant discharges treated effluent into the River Foyle, which flows into Lough Foyle and then the Atlantic Ocean. The Foyle catchment supports diverse aquatic life and is important for salmon and trout populations. The plant's operation helps protect water quality in this ecologically sensitive estuary.

Donneybrewer WWTP discharges into the River Foyle, which flows into Lough Foyle, a large sea lough on the north coast of Ireland, and then into the Atlantic Ocean. The Foyle catchment is ecologically significant, supporting Atlantic salmon, sea trout, and other migratory fish. The estuary provides important habitat for birds and marine life. Proper treatment is essential to maintain water quality and protect these ecosystems.