The National Water Supply and Drainage Board (NWSDB) has announced a 24-hour water supply interruption affecting numerous suburbs of Colombo. The suspension is scheduled to commence on Thursday, September 3, 2026, at 8:00 PM and conclude on Friday, September 4, 2026, at 8:00 PM. This essential service disruption is necessary to carry out maintenance work at the Ambatale Water Treatment Plant, aimed at improving water quality and reliability. Areas including Nugegoda, Kohuwala, Dehiwala, Mount Lavinia, Ratmalana, and Moratuwa are among those expected to be impacted.
The Pulse
GeneralHOTWednesday, September 2, 2026
Colombo Water Cut Extended into September 5th Amidst Pipeline Repairs
TLDR
24-hour water cut extended to Sep 5, 11:30 PM.
Ambatale-Dehiwala pipeline maintenance near Diyatha Uyana cited.
Numerous Colombo suburbs, including Nugegoda, Dehiwala, affected.
5 Updates
Update #6\u00b7 Sep 4 · 2:33 PM
Update #5\u00b7 Sep 3 · 5:01 AM
Update #4\u00b7 Sep 3 · 3:30 AM
