Llanmadoc WWTW Britania Inn Llanmad STW - Secondary Treatment Plant in Llanmadoc, Wales

Llanmadoc WWTW Britania Inn Llanmad STW is a wastewater treatment plant located in the village of Llanmadoc on the Gower Peninsula in Swansea, Wales. The plant serves a population of approximately 1,981 people, providing secondary treatment to domestic wastewater from the local community. As a secondary treatment facility, the plant meets the standard required under the EU Urban Waste Water Treatment Directive (91/271/EEC), which mandates secondary treatment for agglomerations of this size. The plant has a designed capacity of 2,034 m³/day and currently discharges an average of 441.04 m³/day of treated effluent. The treated effluent is discharged into the local environment, ultimately reaching the Bristol Channel via the Burry Inlet. The Gower Peninsula is an Area of Outstanding Natural Beauty, and the receiving waters support diverse marine life and important coastal habitats.

The plant discharges into the Burry Inlet, a large estuary that flows into the Bristol Channel. This area supports important bird populations and marine habitats, including saltmarshes and mudflats. The Gower Peninsula's coastal waters are ecologically sensitive, and the plant's secondary treatment helps protect water quality in this designated Area of Outstanding Natural Beauty.