The water cut will be imposed in Kelaniya, Wattala, Biyagama, Mahara, Dompe and Ja-Ela Pradeshiya Sabha areas and also part of Gampaha Pradeshiya Sabha area.
The water cut will also affect Peliyagoda, Wattala, Ja-Ela, Katunayake-Seeduwa Urban Council areas, the board said.