12-hour water cut to affect Colombo and suburbs tomorrow

Friday, 3 July 2026 00:02 - - {{hitsCtrl.values.hits}}

The National Water Supply and Drainage Board (NWSDB) has announced a 12-hour water supply interruption affecting Colombo and several surrounding areas tomorrow (4) to facilitate essential maintenance and power system upgrade works.

The interruption will be in effect from 9 a.m. to 9 p.m.

The NWSDB said the water supply will be suspended as electricity to the Ambatale Water Treatment Plant is temporarily disconnected to enable essential maintenance at the Mulleriyawa Grid Substation. Power system upgrades will also be carried out at the Dehiwala Water Pumping Station and the Maligawatte Elie House Pumping Station.

The water cut will affect Colombo 1 to 15, Battaramulla, Pelawatta, Hokandara, Koswatta, Thalawathugoda, Sri Jayawardenepura Kotte, Rajagiriya, Mirihana, Madiwela, Nugegoda, Nawala, Kolonnawa, IDH, Kotikawatta, Angoda, Wellampitiya, Orugodawatta, Kaduwela, Maharagama, Boralesgamuwa and Piliyandala.

The NWSDB has advised residents in the affected areas to store sufficient water in advance to minimise inconvenience during the scheduled interruption.