The details of the cost of water have been revealed.
It comes a day before water charges kick in with monitoring to start tomorrow.
Under the plan, householders will pay 2 euro and 44 cent per thousand litres of water but in most cases it will be doubled to 4 euro 88 cent to cover waste water as well.
However all customers will have their charges capped for 9 months - which is longer than expected.
People on boil water notices for 24 hours will not have to pay for that.
The assessed charge for water and wastewater for a one adult household is 176 euro or 278 euro for two adults, with children free.
The average charge will be 238 euro per annum.