Air Selangor says unable to determine estimated water supply recovery period

Air Selangor staff inspecting the water at the Sungai Semenyih Water Treatment Plant in Putrajaya. Air Selangor says water samples are taken every half an hour and the intake points have to detect 0 TON before water supply can resume. — CHAN TAK KONG/The Star

PUTRAJAYA: Users affected by the water disruption that hit parts of Selangor and Putrajaya will have to continue to bear with the inconvenience for now.

This is because Air Selangor is unable to determine the estimated water supply recovery period until the exact source of pollution is determined.

Pengurusan Air Selangor Sdn Bhd (Air Selangor) said that the Sungai Semenyih and Bukit Tampoi water treatment plants (WTP) were still not fully operational due to the raw water pollution incident in Sungai Semenyih.

"As of 11am this morning (Oct 5), the pollution level at Bukit Tampoi WTP measured 8 TON (Threshold Odour Number) and Sungai Semenyih WTP at 7 TON, ” said Air Selangor chief executive officer Suhaimi Kamaralzaman at a press conference.

"The pollution was detected at Sungai Batang Benar in Negri Sembilan and measured 18 TON. Sungai Batang Benar is located about 20km from the Sungai Semenyih WTP," he added.

While Air Selangor had reported the incident to Lembaga Urus Air Selangor (LUAS) when it detected the pollution on Sunday (Oct 4) evening, Suhaimi said the authorities still needed to determine the exact source of pollution and Air Selangor needed to wait until the intake points recorded O TON before the WTP can resume operations.

Apologising for the inconvenience caused and urging for patience, he said: "We have deployed 64 water tankers to critical premises such as hospitals, dialysis centres and schools.

"Meanwhile, we will provide alternative water supply via 14 static tankers, seven stations, nine local service centres (pusat khidmat setempat or PKS) and 10 public pipes."

This unscheduled water disruption has affected a total of 309,687 user accounts in 274 areas in four districts: Petaling, Hulu Langat, Kuala Langat and Sepang.

For updates and list of locations for alternative water supply, visit, Air Selangor’s social media sites or download the Air Selangor app in Google Play and Apps Store.

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