Air Selangor: Water supply to be fully restored by Dec 27


WATER supply to 472 areas in five regions of Selangor is being restored following the shut down of the Sungai Semenyih and Bukit Tampoi water treatment plans (WTP) due to odour pollution.

Air Selangor, in a statement on Facebook said that supply of clean and safe treated water has commenced.

“Distribution in stages to consumers’ premises has started from 2pm on Sunday (Dec 25) and is expected to fully recover at 6am on Tuesday (Dec 27).

“A reading of zero TON (threshold odour number) at Bukit Tampoi WTP has been recorded for three times in a row which enabled Bukit Tampoi WTP to resume operation at 2.30pm on Sunday (Dec 25).”

Air Selangor added that water supply recovery would differ from one area to another depending on the location of consumers’ premises as well as water pressure of the distribution system.

The five regions affected in Selangor include Petaling (172), Hulu Langat (54), Sepang (196), Putrajaya (23) and Kuala Langat (27).

The pollution occurred after an accident involving a lorry transporting perfume essence at KM44.1 (northbound) of the Elite Highway.

Pollutants detected at the Jenderam Hilir raw water intake, forced the Sg Semenyih and Bukit Tampoi water treatment plant to shut down at 2am on and 6am respectively on Saturday (Dec 24).

In a statement, Selangor tourism, environment, green technology and Orang Asli affairs committee chairman Hee Loy Sian said measures that were taken to control the pollution included using two suction tanker trucks, placing 45 bags (1.6 tonnes) of activated charcoal as well as placing oil booms and pads to remove the pollutants.

“The mitigation actions were helped by some 360 million litres per day (JLH) of water was also released from the Semenyih Dam to dilute the water in Sungai Semenyih.

“Selangor Water Management Authority (Luas) will continue to monitor the locations involved as a standby measure in case leftover traces of pollution are discovered.”

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