Crossmaglen Liscalgot Wastewater Treatment Plant, Crossmaglen, Northern Ireland

Crossmaglen Liscalgot is a wastewater treatment plant located in Crossmaglen, Northern Ireland, serving the local community. The plant provides secondary treatment and has a designed capacity of 3,800 m³/day, with a reported discharge volume of 647.42 m³/day. It serves a population of approximately 2,908 people. As a secondary treatment facility, Crossmaglen Liscalgot meets the standard requirements under the EU Urban Waste Water Treatment Directive (91/271/EEC) for inland agglomerations of this size. The directive mandates secondary treatment for populations between 2,000 and 10,000, which this plant fulfills. The plant is operated as part of Northern Ireland's municipal wastewater infrastructure, overseen by the Northern Ireland Environment Agency. The plant discharges treated effluent into local watercourses that drain into the wider catchment of the River Fane, which flows into Dundalk Bay and the Irish Sea. The receiving waters support aquatic life and are part of a regionally important ecosystem. The plant's operation helps protect water quality in this sensitive border area.

Crossmaglen Liscalgot discharges into local streams that feed the River Fane, which flows into Dundalk Bay on the Irish Sea coast. This bay is an ecologically important area supporting diverse marine life and migratory birds. The plant's secondary treatment reduces organic pollutants and nutrients, helping to maintain water quality in the downstream environment.