Overview
Llanrug WWTW STW is a secondary treatment plant serving approximately 3,452 people in Llanrug, Wales, UK. It discharges treated wastewater into the local environment near the coast.
Llanrug WWTW STW is a wastewater treatment works located in Llanrug, Gwynedd, Wales, United Kingdom. The plant serves a population of around 3,452 and is situated near the coast, within 10 km of the sea. It operates under the regulatory framework of the United Kingdom, which implements the EU Urban Waste Water Treatment Directive (91/271/EEC) for secondary treatment standards. The plant provides secondary treatment, which is the standard level required for discharges into coastal waters under the Directive. The designed capacity is 3,452 population equivalent, and the average daily discharge volume is 768.54 cubic meters. The facility is part of the wastewater infrastructure managed by Welsh Water (Dŵr Cymru), the regional water and sewerage company. The treated effluent is discharged into a local watercourse that eventually reaches the Menai Strait or the Irish Sea. The surrounding area includes the Snowdonia National Park and ecologically sensitive coastal habitats. The plant plays a key role in protecting local water quality and supporting the region's natural environment.
Environmental context
The plant discharges into a small watercourse that flows toward the Menai Strait, a tidal channel separating Anglesey from mainland Wales, and ultimately into the Irish Sea. The coastal waters support diverse marine life, including seabird colonies and important fish populations. The proximity to the coast requires careful management to prevent nutrient enrichment and protect sensitive habitats.
Frequently asked questions
Llanrug WWTW STW is located in Llanrug, Gwynedd, Wales, United Kingdom, near the coast of the Irish Sea.
The plant serves approximately 3,452 people in the Llanrug area.
The plant provides secondary treatment and discharges treated effluent into a local watercourse that flows toward the Menai Strait and the Irish Sea.
The plant protects local streams and the coastal waters of the Menai Strait and Irish Sea from pollution.
The plant operates under the UK implementation of the EU Urban Waste Water Treatment Directive, which requires secondary treatment for discharges into coastal waters.
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