Guarding against contamination

The Langat 2 water treatment plant. Past contamination of waterways had caused treatment plants to stop operations temporarily, causing disruption of water supply to consumers. — Filepic

CONTAMINATION of water sources in Selangor, leading to the shutdown of water treatment plants and supply disruptions affecting millions of residents in Klang Valley is, unfortunately, a common occurrence.

To combat this, the Selangor government has stepped up efforts to guard against such incidents, including having round-the-clock surveillance at important intake points along rivers.

Round-the-clock surveillance at Sungai Langat which started on April 17 has successfully prevented two pollution incidents at the river basin.

According to a media statement from Selangor environment, green technology, science, technology, innovation and consumer affairs committee chairman Hee Loy Sian, these two incidents could have potentially caused disruptions in the operations of the Sungai Semenyih water treatment plant.

“On April 19, the Air Selangor team detected an increase of ammonia at Sungai Pajam, believed to be caused by a fish farm nearby.

“A further check showed that the area was across state lines, in Negri Sembilan, and so Lembaga Urus Air Selangor (LUAS) contacted the Negri Sembilan Water Regulatory Body and immediate action was taken, ” he said in the statement.

On the same day (April 19), the team also detected green-coloured water flowing into the drains of the Hi-Tech 6 industrial area before entering Sungai Semenyih.

Green-coloured water detected in the drains near the Hi-Tech 6 industrial area in Semenyih. The source of the pollution is believed to be from a printing factory.Green-coloured water detected in the drains near the Hi-Tech 6 industrial area in Semenyih. The source of the pollution is believed to be from a printing factory.

Officers investigated and traced the source of the pollution to a printing factory located along Jalan Sungai Lalang Semenyih.

“Selangor Environment Department visited the factory and stopped its operations.

“The officers also seized items such as printing and compressor machines, ” he said.

Samples from the factory were taken and sent to the Chemistry Department for analysis.

“We have to ensure our waterways and river basins are free from pollution.

“We urge everyone to show more care for our rivers, especially those which are our state’s main water sources, ” said Hee.

He also urged the public to report any suspicious activity at rivers, to help prevent pollution in future.

The 24-hour surveillance at river basins will continue until May 31 in a joint effort with officers from various agencies --- Indah Water Konsortium Sdn Bhd, Selangor Water Management Authority, Air Selangor, Selangor Environment Department, Selangor Disaster Management Unit, National Water Services Commission, the land office, local councils and police.

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Hee Loy Sian , Sungai Langat , pollution


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