Overview
DEVIZES STW is a municipal wastewater treatment plant serving approximately 14,267 people in Devizes, Wiltshire, England. It operates under the UK's water quality regulations.
DEVIZES STW is a wastewater treatment plant located on Webb's Lane in Devizes, Wiltshire, England. It serves a population of around 14,267, placing it in the medium agglomeration category under UK and EU regulatory frameworks. As a plant of this scale in England, it is expected to provide secondary treatment as a minimum under the Urban Waste Water Treatment Directive (UWWTD), transposed into UK law. The plant's discharge is regulated by the Environment Agency under the Environmental Permitting Regulations, ensuring compliance with water quality standards. The treated effluent from DEVIZES STW is discharged into a local watercourse that ultimately drains into the Bristol Channel via the River Avon and Severn Estuary. This catchment supports diverse aquatic life and is important for migratory fish species.
Environmental context
The plant discharges into a tributary of the River Avon, which flows through Wiltshire and into the Severn Estuary, a major ecological feature supporting bird populations and marine life. The Severn Estuary is a site of international importance for its intertidal habitats and migratory birds. The local watershed is predominantly rural with agricultural land use, making nutrient management a key concern.
Frequently asked questions
DEVIZES STW is located on Webb's Lane in Devizes, Wiltshire, England, United Kingdom.
DEVIZES STW serves approximately 14,267 people, classifying it as a medium-sized agglomeration.
The plant discharges treated effluent into a local watercourse that flows into the River Avon, eventually reaching the Severn Estuary and Bristol Channel.
DEVIZES STW operates under the UK's Environmental Permitting Regulations, which implement the EU Urban Waste Water Treatment Directive. The Environment Agency issues permits and enforces discharge standards.
For a plant of this size in the UK, secondary treatment is typically required as a minimum, with tertiary treatment in sensitive areas. Compliance with nutrient standards may also be mandated.
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