CUBLINGTON STW - Secondary Wastewater Treatment Plant in Cublington, Buckinghamshire

CUBLINGTON STW is a municipal wastewater treatment plant located in Cublington, Buckinghamshire, England. The facility serves a population of around 2,922 and operates with secondary treatment, which is the standard level required under the EU Urban Waste Water Treatment Directive for agglomerations of this size. The plant is situated inland, away from coastal areas, and its treated effluent contributes to the local water cycle. The plant has a designed capacity of 4,100 cubic meters per day and a reported discharge volume of approximately 650.54 cubic meters per day, indicating it operates well below its maximum capacity. As a secondary treatment facility, it employs biological processes to reduce organic matter and suspended solids before discharge. The plant is part of the United Kingdom's wastewater infrastructure, regulated under the Water Industry Act and overseen by the Environment Agency. Treated wastewater from CUBLINGTON STW is discharged into local streams that eventually flow into the River Great Ouse or the River Thames basin. These watercourses support diverse aquatic life and are important for regional biodiversity. The plant's operation helps protect downstream water quality and the ecological health of the wider catchment area.

CUBLINGTON STW discharges into local watercourses that are part of the Thames River basin, which ultimately drains into the North Sea via the River Thames estuary. The surrounding area includes agricultural land and small settlements, and the receiving waters support fish populations and other aquatic organisms. The plant's secondary treatment helps reduce nutrient loads and organic pollution, contributing to the ecological balance of the local watershed.