In a statement Uisce Eireann says if more funding becomes available for the project and the tender process moves forward, construction could progress earlier than that date.
Businesses in the area have expressed their annoyance at the update, with small developments of housing not able to progress due to the lack of wastewater treatment facilities.
Aughrim has had no development for several years due to the lack of capacity of waste-water treatment plant which is considered vital for the further growth and development of the village.
Wicklow County Council have a site for social housing with approximately 48 people on the waiting list.
Wicklow Hurlers Dominate Fermanagh To Ramp Up Promotion Hopes
Survey Shows Wicklow Families Want The Right To Deliver A Funeral Eulogy
Bray Vet Helps Reunite Wandering Pup with Owners
Public Warned: Cliff Walk In Danger Of Collapse
Wicklow Cultural Icon Katie Taylor Plans Croker Sunset Showdown