Overview
GUNNISLAKE STW is a secondary wastewater treatment plant in West Devon, England, serving 2,209 people. It discharges 491.80 m³/day and is located within 10 km of the coast.
GUNNISLAKE STW is a municipal wastewater treatment plant located in Gulworthy, West Devon, Devon, England. It serves a population of 2,209 and operates as part of the region's water infrastructure. The plant is situated near the River Tamar, which forms the border between Devon and Cornwall. The plant provides secondary treatment, a standard level for agglomerations of this size under the EU Urban Waste Water Treatment Directive (91/271/EEC). The designed capacity is 2,400 m³/day, with a current discharge volume of 491.80 m³/day, indicating operational headroom. As a UK facility, it is regulated by the Environment Agency under the Water Industry Act 1991. The treated effluent is discharged into the local watercourse, likely the River Tamar, which flows into the Tamar Estuary and then into Plymouth Sound, a designated Site of Special Scientific Interest (SSSI). The estuary supports diverse aquatic life and is an important migratory corridor for fish species. The plant's proximity to the coast (within 10 km) means its discharge can influence coastal water quality.
Environmental context
The plant discharges into the River Tamar catchment, which flows into the Tamar Estuary and ultimately Plymouth Sound. This estuarine environment supports diverse aquatic life, including salmon and sea trout, and is an important migratory corridor. The area is ecologically sensitive due to its role in coastal water quality and marine biodiversity.
Frequently asked questions
GUNNISLAKE STW is located in Gulworthy, West Devon, Devon, England, near the River Tamar.
The plant serves a population of 2,209 people.
The plant discharges treated effluent into the local watercourse, likely the River Tamar, which flows into the Tamar Estuary and Plymouth Sound.
The plant provides secondary treatment, which is the standard required by the EU Urban Waste Water Treatment Directive for agglomerations of this size.
As a UK plant, it operates under the Water Industry Act 1991 and is regulated by the Environment Agency, with permits ensuring compliance with environmental standards.
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