They say the Irish government is not doing enough to protect areas like Mount Leinster in Carlow
A member of the public alerted the local authorities to the issue
A total of just over €41,000 is being divided locally
The Environmental Protection Agency had called on the local authority to investigate the matter.
In recent weeks a large number of the freshwater fish were found dead in the river
The EPA reports there's been a rise in ambient air pollution, coinciding with the cold weather.