RIPLEY STW - Wastewater Treatment Plant in Guildford, England

RIPLEY STW is a wastewater treatment plant located near Ripley, Guildford, in Surrey, England. The facility serves a population of around 15,800, classifying it as a medium-sized agglomeration under UK regulatory frameworks. It is situated along the River Wey Navigation, a historic canalized river that flows through the Surrey countryside. As a UK wastewater treatment plant, RIPLEY STW is subject to the Urban Waste Water Treatment (England and Wales) Regulations, which transpose the EU Urban Waste Water Treatment Directive. For agglomerations of this size, secondary treatment is typically required, with additional nutrient removal if discharging into sensitive areas. The plant's treatment process and capacity details are not publicly available, but the regulatory framework ensures compliance with discharge standards. The treated effluent from RIPLEY STW is discharged into the River Wey Navigation, which flows into the River Thames at Weybridge. The Thames then drains into the North Sea via the Thames Estuary. The River Wey supports diverse aquatic life and is an important recreational waterway, making the plant's discharge quality critical for local ecology.

RIPLEY STW discharges into the River Wey Navigation, a canalized river that flows into the River Thames, ultimately reaching the North Sea via the Thames Estuary. The River Wey supports a variety of fish species, including coarse fish and salmonids, and its riparian habitats are important for birds and mammals. The plant's location in a semi-rural area of Surrey means its discharge must meet strict environmental standards to protect downstream water quality and biodiversity.