Fuel Leak That Killed Fish in River Taff Finally Stopped

A fuel leak in the River Taff that killed fish and made local areas smell like a petrol station has now stopped.

The Leak

Officers from Natural Resources Wales found the source of the pollution at 19:30 BST on Friday night. The kerosene spread down almost 2.5 miles of the river. The pollution affected places like Nantgarw, Treforest, Taffs Well, Glan Y Llyn, Gwaelod-y-garth, and Tongwynlais. Residents reported that the area began to smell like a petrol station on Friday. GE Aerospace previously confirmed that fuel got into the river while repair work took place at its site nearby. Officials are still working to find out how the fuel entered the drainage system to reach the river. Natural Resources Wales said that finding the entry point was difficult because it involved underground systems.

Impact and Action

Natural Resources Wales found fewer than 10 dead fish and some impacts to aquatic invertebrates from the leak. Specialist drainage and containment contractors were sent to the site to remove the fuel. Public Health Wales told people living nearby to keep their windows and doors closed. They also advised residents to avoid any contact with the water and to call NHS 111 if they felt unwell. One local resident named Eurig Thomas said the area hit you with a petrol station smell as soon as you came out.

Context

Environmental protection agencies regularly investigate industrial pollution incidents to trace chemical spills and hold responsible parties accountable. Kerosene is a petroleum product that can harm aquatic life and create strong, unpleasant fumes when spilled in large quantities. Investigations of underground drainage systems often require specialized contractors and careful evidence gathering to understand how industrial liquids escape into natural waterways.