Update 1pm: Swimmers in Dublin are being reminded a number of beaches have bathing water notices in place.
Those affected are Dollymount, Sandymount and Merrion Beaches.
The advice will remain in place for the next 3 days pending the result of new samples on Monday.
Green Party Councillor Kieran Cuffe believes the current system is not up to standard.
He said: "I think Irish water need to have a mechanism in place to have an early warning on possible pump failures.
Earlier: Three bathing water notices remain in place in Dublin this weekend
Bathing water notices remain in place at Dollymount, Sandymount and Merrion beaches in Dublin this weekend.
It follows a second warning of suspected elevated levels of bacteria in the water.
The advice will remain in place for the next three days pending the result of new samples on Monday.
Separate bathing prohibitions are in place for the entire 2018 bathing season at Sandymount and Merrion beaches due to general water quality.
- Digital Desk