The European Commissioner for the Environment Karmenu Vella has exhibited doubts that a proposal for waste water fines will comply with EU law.
Update - 2.15pm: A deal could be agreed between Fine Gael and Fianna Fáil to end the stand-off over water charges which this week threatened to topple the minority government.
LATEST: Taoiseach Enda Kenny has said that his Government will not implement legislation on water charges which is illegal, writes Daniel McConnell.
Update 4.45pm: A meeting of the Oireachtas committee on water charges has failed to reach agreement about the possibility of scrapping charges entirely.
The Right2Water campaign have been accused of doing a major u-turn after it said that those who abuse or waste water should face charges.
The Commission for Energy Regulation (CER) has said the water-metering programme should be parked, but not abandoned.
Adults should be allowed to use 123 litres of water per day free of charge before excess costs apply under a new system, Housing Minister Simon Coveney says.
Taoiseach Enda Kenny has said that water charges will not be the issue to bring down the Government.
A group of TDs and Senators will today start the process of deciding the future of water charges.
Nearly three quarters of voters say people who paid water charges should get a refund.
Fianna Fáil has indicated that those who use excessive amounts of water should have to pay for it.
Those who paid their water bills cannot be treated unfairly, a senior Cabinet member has said today.
The Government says a decision on whether to reimburse people who paid their water charges will have to be made by the Special Oireachtas Committee within three months
A Fine Gael minister says he believes there should not be refunds for those who paid water charges.
Taosieach Enda Kenny has said he "does not want to commit" to refunding water charges until after a special Oireachtas Committee looks into the issue, writes Elaine Loughlin, Irish Examiner Political Reporter in Palo Alto.
The Minister with responsibility for water charges is sticking by his calls for water bills not to be refunded.
The Minister for Finance has tonight raised the possibility that water bills could be refunded for those who have already paid.
Public Expenditure Minister Paschal Donohoe has said we need to keep some form of water charges to be fair to those who paid their bills.
A new report by the expert commission looking at the future funding of water has recommended that the vast majority of people will not pay for water, write Daniel McConnell and Juno McEnroe for the Irish Examiner.
The Anti Austerity Alliance has called for water charges to be abolished - completely.