Air Selangor has issued a planned interruption notice for fourteen distribution zones in the Klang district, with the supply suspension running from 22:00 on 11 May through 06:00 on 12 May. The eight-hour outage relates to scheduled valve replacement and chamber upgrades at the Bukit Tampoi water treatment plant.
The affected zones span urban and suburban Klang, with residents and businesses advised to store sufficient water in advance. Air Selangor has staged tanker support at six pre-positioned community locations, with priority response routes for hospitals, dialysis centres and registered vulnerable households.
From a Water Management Perspective
Treatment-plant maintenance is unavoidable infrastructure work; the question for utilities is how visibly and reliably the schedule is communicated. Air Selangor’s 72-hour advance notice and pre-positioned tanker network reflect the standard the rest of the country’s utilities should reach. Scheduled outages with prepared mitigation are categorically different from the surprise outages that follow upstream incidents at the Sungai Selangor intake.
What This Means For Residents
- Fill drinking and cooking storage by 20:00 tonight; one 5L container per occupant covers a typical 8-hour outage.
- Defer laundry, dishwashing and pool top-ups to after 06:00 tomorrow.
- If your unit relies on a rooftop reservoir, expect supply to resume gradually rather than immediately at 06:00.
- Tanker locations and priority registration are listed on the Air Selangor mobile app.
Malaysians concerned about water supply reliability can reduce their dependency on municipal supply through rainwater harvesting. A modest 1,500–3,000L wall-mounted system covers most non-potable household demand during planned outages of this length. Learn more about compliant rainwater harvesting systems at vodarainwaterharvesting.com.