PETALING JAYA: Water supply to several areas in Selangor affected by a treatment plant shutdown owing to pollution is being restored in stages.

       Pengurusan Air Selangor Sdn Bhd (Air Selangor) said water had been restored to 48% of the affected areas as at 6am on Sunday (May 1).

       "The water supply was restored in stages from 12.15am and a full restoration is expected by 3pm," Air Selangor said in a tweet.

       ALSO READ: Unscheduled water cuts in Selangor due to odour pollution

       It said the period of disruption and restoration of affected areas differed depending on the location of the consumer's premises and water pressure to the water distribution system.

       Water supply to 463 areas in Selangor was disrupted following odour pollution detected at the Jenderam Hilir raw water pump station intake on Saturday (April 30).

       Air Selangor said the Sungai Semenyih water treatment plant was temporarily shut down at 12.15pm for cleaning.

       The affected areas include Petaling (172 areas), Hulu Langat (54 areas), Sepang (194 areas), Putrajaya (23 areas) and Kuala Langat (20 areas).