Kings Lynn STW - Wastewater Treatment Plant in King's Lynn and West Norfolk, England

Kings Lynn STW is a wastewater treatment plant located in King's Lynn and West Norfolk, Norfolk, England. It serves a population of around 76,930, making it a medium-to-large agglomeration under UK and EU classifications. The plant is situated near the River Great Ouse, which flows into The Wash, an ecologically important estuary on the North Sea coast. As a UK wastewater facility, Kings Lynn STW operates under the Urban Waste Water Treatment Regulations, which transpose the EU Urban Waste Water Treatment Directive (91/271/EEC). For agglomerations of this size, secondary treatment is typically required, with tertiary treatment in sensitive areas. The plant's designed capacity is reported as 1.00 (likely in megalitres per day or similar unit), indicating a substantial treatment capability. The plant's treated effluent discharges into the River Great Ouse, which drains into The Wash, a large estuary and a designated Site of Special Scientific Interest (SSSI) known for its bird populations and marine life. The Wash supports diverse aquatic habitats and is a key migratory corridor for birds. The plant's operations are critical to protecting this sensitive downstream environment from nutrient pollution and other contaminants.

Kings Lynn STW discharges into the River Great Ouse, which flows into The Wash, a major estuary on the North Sea coast. The Wash is an ecologically sensitive area supporting diverse bird species, fish, and marine habitats. The plant's treatment processes help mitigate nutrient loading and protect the estuary's water quality, which is vital for migratory birds and local fisheries.