KUALA LUMPUR, April 21 -- Penang residents have been urged to store enough water for up to 60 hours as the state prepares for one of its largest planned supply interruptions in recent years.

Starting 10pm this Friday, the Penang Water Supply Corporation (PBAPP) will begin a scheduled water supply interruption to carry out urgent works at the Sungai Dua Water Treatment Plant and surrounding infrastructure.

The interruption will affect 341,708 consumers in stages:

PBAPP said 23 projects will be completed during the shutdown, including pipeline upgrades, valve replacements, and pump station improvements.

The utility said Sungai Dua plant is Penang's most important water facility, supplying over 1,000 million litres daily.

Work is schedu...