One of the worst polluted rivers in the country is in County Wexford.
According to the EPAs latest water quality report that river is the small Aughboy River which flows through Riverchapel and into the sea at Courtown.
It is one of just six in the country mentioned as badly polluted which also includes the Avoca River in County Wicklow.
Only 21 rivers in Ireland are now classed as ‘pristine’.
91% of groundwater sources were found to be good quality, but less than a third of estuaries were considered clean.
EPA spokesperson Andy Fanning says some progress has been made.