Overview
Cranleigh Surrey STW serves approximately 13,500 people in Waverley, England. The plant operates under the UK's urban wastewater treatment regulations, ensuring compliance with environmental standards.
Cranleigh Surrey STW is a wastewater treatment plant located in Cranleigh, Waverley, Surrey, England. It serves a population of around 13,500, classifying it as a medium-sized agglomeration under UK and EU regulatory frameworks. The facility is situated inland, away from coastal areas, and its operations are part of the region's municipal wastewater infrastructure. As a plant serving over 10,000 people, it is subject to the Urban Waste Water Treatment (England and Wales) Regulations, which transpose the EU Urban Waste Water Treatment Directive (91/271/EEC). These regulations require secondary treatment as a minimum, with tertiary treatment in sensitive areas. The plant's designed capacity is 1.00 (likely in megaliters per day or similar), indicating a scale appropriate for its population served. The treated effluent from Cranleigh Surrey STW is discharged into local watercourses that ultimately drain into the River Wey and then the River Thames, which flows into the North Sea. This catchment supports diverse aquatic life and is an important ecological corridor. The plant's operations help protect water quality in this sensitive river system, contributing to the health of downstream habitats.
Environmental context
The plant discharges into local streams that feed the River Wey, a tributary of the River Thames. The Thames basin supports a wide range of aquatic species and is a crucial migratory route for fish such as salmon and eels. The downstream environment includes ecologically sensitive areas that benefit from regulated wastewater treatment to prevent nutrient enrichment and pollution.
Frequently asked questions
Cranleigh Surrey STW is located on Elmbridge Road, Willowbrook Estate, Cranleigh, Waverley, Surrey, England, GU6 8NJ, United Kingdom.
The plant serves approximately 13,500 people, classifying it as a medium-sized agglomeration under UK wastewater regulations.
Treated effluent is discharged into local watercourses that feed the River Wey, a tributary of the River Thames, which ultimately flows into the North Sea.
The plant operates under the Urban Waste Water Treatment (England and Wales) Regulations, which implement the EU Urban Waste Water Treatment Directive (91/271/EEC), requiring secondary treatment for plants serving over 10,000 people.
For agglomerations of this size, UK regulations mandate at least secondary treatment. In sensitive areas, tertiary treatment may be required to reduce nutrients like nitrogen and phosphorus.
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