Hundreds of dead fish have been discovered in a popular Cardiff park, sparking an investigation by Natural Resources Wales (NRW). The agency is probing a pollution incident at Roath Brook, which has resulted in the deaths of numerous fish across various species.
Incident Reported by Public
The incident was first reported by members of the public on Thursday, June 11. Images released by NRW show dead fish lining the bottom of the small stream, which was recently identified as one of the most polluted urban watercourses in Wales. The brook runs through Roath Park, a well-known recreational area in Cardiff.
Possible Causes Under Investigation
NRW suspects the fish deaths may have been caused by toxic substances being poured down a surface water drain or a larger-scale pollution event. This follows social media images showing the stream appearing to turn white. Officers are investigating the cause and have appealed for anyone with information to come forward.
It is believed the pollutant has passed through the brook, but NRW advises dog owners to keep their pets out of the water as a precaution. Live fish have been observed in the nearby brook at Waterloo Gardens since the incident was reported.
Public Reminded on Drain Use
NRW reminded the public that only rainwater should go down surface water drains. Harmful chemicals, oils, paints, or cleaning products can cause serious damage to local wildlife and ecosystems if disposed of incorrectly. The agency asks anyone who saw something unusual in the area of Roath Brook, including if someone poured substances into a drain, to contact its officers. Information can be reported online or by calling 0300 065 3000.
