Discussions have been ongoing for a number of days
Families are advised to pack away sprinklers and powerwashers - after demand in the Greater Dublin area hit record levels over the weekend.
The equivalent of water supply for an extra 200,000 people was used in one day in this area alone on Saturday.
The warm weather has caused drought conditions across the country, 16 of the utility's drinking water schemes are in drought and 38 are also at risk.
Irish Water's Yvonne Harris says it's expected a water conservation order will have to be brought in:
