The Commission for Energy Regulation has just published the cost of water, with charging to begin tomorrow.
Householders will pay €2.44 per thousand litres of water, doubling to €4.88 to cover waste water also.
Charging for all homes will be capped for nine months - which is longer than expected, while those on boil-water notices for 24 hours will not be charged for water supply.
Under the CER plan, all customers will have their total water charges capped at the un-metered or assessed charge for nine months - three months longer than initially planned.
If you are metered in the future and your consumption is less than the unmetered charge, you will get a rebate of the difference after six months.
Paul McGowan from the CER says people who have no meter on their supply will have to pay an 'assessed charge' for now, and properties which have had a meter installed won't have to pay more than that.
“If you have a meter, then your charges are going to be capped at that assessed charge for nine months,” he said.
“So if your meter is already installed, then it wouldn’t be until June of next year that you would be facing a full metered charge.
“It can’t go any higher than the assessed charge, and if in fact your meter charge is lower, you’ll get rebate.”
The assessed charge for water and wastewater for a one adult household is €176 or €278 for two adults, with children deemed to be free.
Those with water unfit for human consumption - on a boil water notice for just 24 hours - will get a 100% discount on the water supply element of the charge, but will still have to pay for waste water if on a public sewerage system.
The CER says the average charge will be €238 per annum and it has cut the costs Irish Water can recover between now and the end of 2016 by more than 8% to just over €2bn.
We are here until 5pm today to answer any Irish Water queries please send a tweet and we will be happy to help.
— Uisce Éireann - Irish Water (@IrishWater) September 30, 2014