Water supply to Maharagama and suburbs would be suspended for seven hours from 1 pm till 8pm today due to an urgent repair, the National Water Supply and Drainage Board (NWSDB) said.Accordingly, the water supply to Maharagama, Kottawa, Boralesgamuwa, Pannipitiya, Rukmalgama, Maththegoda, Homagama, Meepe and Padukka would be suspended for seven hours.