They are due for completion in the early hours of Thursday morning.
There may be overnight water supply disruption in large parts of Naas, again, tonight.
Irish Water begins mains repairs at 11.30pm.
It is part of the National Leakage Reduction Programme.
The company says this may interrupt supply to Chestnut Hill, Elmwood, Blessington Road, Tipper Road, Roselawn, Woodlands, Thornbrook, Naas and surrounding areas.
The project is due to finish up at 3.30am on Thursday morning.
Irish Water says "We recommend that you allow 2-3 hours after the estimated restoration time for your supply to fully return."
Friday's Kfm Obituary Announcements
New Cultural Programme Set For Castletown House
Celbridge Woman Who Lost Sister To CF Calls For People To Support Today's Fundraiser
Protestors, Including Kildare's John Dallon, Refused Entry From Government And Agriculture Bodies Meeting
Defence Forces Travelling To The Curragh Today For Training
Newbridge Silverware’s Silver-plated Cutlery Factory Officially Closes
Martin Heydon Will Meet Farming And Haulier Groups This Morning Amid Fuel Protests
Missing 17-Year-Old Joshua Treacy From Maynooth Has Been Located
