Overview
Caernarfon STW STW serves approximately 12,184 people in Caernarfon, Gwynedd, Wales. The plant is located within 50 km of the coast and discharges into the Menai Strait, which connects to the Irish Sea.
Caernarfon STW STW is a municipal wastewater treatment plant located on Coed Helen Lane in Caernarfon, Gwynedd, Wales. It serves a population of around 12,184 people, classifying it as a medium-sized agglomeration under UK and EU regulations. The plant is situated near the historic town of Caernarfon, close to the Menai Strait. As a plant in the United Kingdom, Caernarfon STW STW operates under the Urban Waste Water Treatment (England and Wales) Regulations 1994, which transpose the EU Urban Waste Water Treatment Directive (91/271/EEC). For agglomerations of this size, secondary treatment is typically required, with additional nutrient removal if discharging into sensitive areas. The plant's designed capacity is 1.00 (likely in megaliters per day or similar unit), indicating its scale. The treated effluent from Caernarfon STW STW is discharged into the Menai Strait, a tidal strait separating the island of Anglesey from mainland Wales. The Menai Strait flows into the Irish Sea, which is part of the broader Atlantic Ocean. This coastal discharge area supports diverse marine life, including important fish populations and migratory birds, making proper treatment essential for protecting local ecosystems.
Environmental context
The plant discharges into the Menai Strait, a dynamic tidal channel that connects to the Irish Sea. This coastal environment supports a variety of marine species, including seabirds, fish, and invertebrates. The area is ecologically sensitive due to its role as a migratory corridor and nursery ground for fish. Proper wastewater treatment is crucial to prevent nutrient enrichment and maintain water quality in this important coastal ecosystem.
Frequently asked questions
Caernarfon STW STW is located at Coed Helen Lane, Caernarfon, Gwynedd, Wales, United Kingdom, near the Menai Strait.
The plant serves approximately 12,184 people, classifying it as a medium-sized agglomeration under UK wastewater regulations.
The treated effluent is discharged into the Menai Strait, a tidal strait that flows into the Irish Sea.
The plant operates under the Urban Waste Water Treatment (England and Wales) Regulations 1994, which implement the EU Urban Waste Water Treatment Directive (91/271/EEC). For agglomerations of this size, secondary treatment is typically required.
Under the UK regulations, plants serving between 10,000 and 150,000 population equivalent are generally required to have secondary treatment, with additional nutrient removal if discharging into sensitive areas like coastal waters.
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