PETALING JAYA: The Sungai Semenyih water treatment plant has resumed operations after samples tested at its intake point recorded 0 TON (Threshold Odour Number) three times in a row, but will take 12 hours before water supply can be distributed to users, says Air Selangor Sdn Bhd (Air Selangor).
Its corporate communications head Elina Baseri said this was because the Sungai Semenyih water treatment plant had only started pumping raw water for the raw water pipe cleaning works and water treatment tanks.
"The effort to treat the raw water and stabilise the water treatment plant systems will take 12 hours before water supply can be distributed to users.
"The water supply that will be distributed will go through a water quality test and has to comply with Health Ministry standards.
"Air Selangor will inform on the water supply restoration schedule in stages, according to the areas that receive water from the Sungai Semenyih water treatment plant after the process of stabilising the water treatment plant can be fully implemented," she said in a statement on Tuesday (Oct 6).
However, the Bukit Tampoi water treatment plant has yet to resume operations, as the samples tested at its intake point recorded 2 TON as of 6am on Tuesday, said Elina.
She added that Air Selangor has mobilised 92 water tankers to critical premises, schools, as well as housing areas which have been affected.
"There are 22 static tankers, 10 stations, nine local service centres and 13 public pipes provided for users who have been affected, ” she said.
The Sungai Semenyih and Bukit Tampoi water treatment plants were shut down on Sunday (Oct 4) after odour pollution was detected beyond permissible thresholds.
Environment and Water Minister Datuk Seri Tuan Ibrahim Tuan Man said the pollution source is believed to be from the Nilai industrial estate in Negri Sembilan.