Louth River Glyde Pollution Kills Tens of Thousands of Fish, Including Salmon and Eel
On June 2nd, drone footage showed 25km of pollution in Louth’s River Glyde, killing tens of thousands of fish, including Atlantic salmon and European eel. This event highlights the critical decline of wild salmon in Ireland, which have seen a 90% population drop in 50 years. Urgent national action is needed to address pollution, habitat destruction, and overfishing to save the species.
On June 2nd, drone footage revealed 25km of pollution in Louth’s River Glyde, resulting in the deaths of tens of thousands of fish, including adult and juvenile Atlantic salmon and European eel. Inland Fisheries Ireland described the incident as «locally significant,» a characterization criticized for its complacency given that wild salmon populations returning to Irish rivers have declined by 90% in five decades, pushing them to the brink of extinction.
This incident is deemed a national emergency, not merely a local one. Wild salmon face threats from rising ocean temperatures and pollution in estuaries and rivers, which are often clogged with man-made barriers and damaged by State-funded drainage schemes. These schemes channel rivers, use herbicides, and remove vital shade-providing vegetation. The decline of wild salmon mirrors broader ecological issues, where wild species are replaced by captive ones, and natural habitats are destroyed.
Wild salmon require cold, clean, free-flowing water. Their presence indicates a healthy river and landscape, which underpins Ireland’s pharmaceutical, technology, food and drink, tourism, and farming industries. Urgent actions proposed include removing tens of thousands of river barriers within 12 months to reduce flood risk and pollution, and tackling agricultural pollution by implementing catchment-level solutions and increasing fines for polluters.
Further recommendations involve establishing exclusion zones for open-net salmon farms along Ireland’s west coast, ending commercial and recreational wild salmon fishing for a defined period, and reforming the 1945 Arterial Drainage Act to stop State-sanctioned drainage works. A single, statutorily empowered river catchment authority is also proposed to coordinate restoration efforts, alongside stronger international cooperation to address bycatch risks to migrating salmon. The urgency for political and judicial action is stressed before it is too late.