Pollution in the River Lagan: A Threat to Lagan Valley Regional Park and Belfast Lough

The River Lagan, the spine of the Lagan Valley Regional Park (LVRP), faces significant pollution threats from Combined Sewer Overflows (CSOs) and pumping stations. These sources discharge untreated wastewater directly into the river, particularly when storm overflows become essential to prevent flooding. Unfortunately, this overflow brings pollutants and nutrients that degrade water quality, harming ecosystems within the LVRP, an Area of Outstanding Natural Beauty (AONB).

This pollution doesn’t stop in the Lagan. Flowing into Belfast Lough, the river carries contaminants to an internationally recognized Ramsar site. As Belfast Lough’s water quality deteriorates, it threatens diverse habitats and species vital to this globally significant ecosystem. Recent reports have shown that combined sewer and wastewater treatment facility spills contribute over 90% of the bacterial and 50% of the nutrient pollution into the Lough. This pollution has already affected local industries and recreational areas, further underscoring the urgent need for action.

As advocates for the LVRP and its natural beauty, we are committed to raising awareness of this issue. Protecting the river and the Lough is essential not only for preserving these natural resources but also for maintaining the health, well-being, and biodiversity of our community and environment.

Find out about the on-the-ground realities and the urgency of the situation in ‘The Story of Belfast Lough’ below.