Water supply in Selangor had been cut for almost a week following the recent pollution of Sg Semenyih. This had brought massive inconvenience to the residents in Selangor too.
While the authorities were quick to clean up the odour pollution at the water treatment plant, they have found the culprit behind the pollution too.
According to Bernama, the authorities had identified a food factory in Beranang, Selangor which is involved in the odour pollution detected in Sg Semenyih and had issued a 2-week stop work order to the factory.
In addition, the Selangor Department of Environment (DoE) has opened an investigation paper against the factory owner on suspicion of being responsible for the pollution, which led to the shutdown of the Sg Semenyih Water Treatment Plant (LRA) on August 31 and again on September 3.
“Investigations by the Selangor DoE last Thursday and Friday found that the plant was operational and several industrial effluent discharge and river water samples at the inlet were taken and sent to the Chemistry Department for chemical composition analysis.”
“Further investigations were conducted at midnight last Friday and air quality surveillance carried out at the factory’s final discharge point (prior to public drains) had detected several substances, namely volatile organic compounds (VOC) in the air, which released an odour similar to the VOC substances detected in the water samples taken during the Semenyih LRA shutdown on August 31.” they said.
With these findings, DoE issued a notice to the factory under Section 38(1)(a) of the Environmental Quality Act, 1974 to stop the pollution immediately, with the factory production process suspended until further notice.
They added that the case will be investigated under Section 25(1) of the Environmental Quality Act 1974 and the Environmental Quality (Industrial Effluent) Regulations 2009.
Meanwhile, the National Water Services Commission (SPAN) had collected waste water samples and other evidence to support their case. The investigation paper has been opened under Section 121(1)(C) of the Water Services Industry Act 2006 (Act 655), which covers contamination of water offences for which, if convicted, provides for a maximum imprisonment of 10 years or a fine not exceeding RM500,000 or both.
The Sg Semenyih LRA was shut down after Pengurusan Air Selangor Sdn Bhd (Air Selangor) detected an odour causing substance after a 2 TON (threshold odour number) level reading was recorded at the Jenderam Hilir inlet at 5.15 p.m. on Friday (3 September).
The shutdown then led to an unscheduled water supply disruption in 463 areas in five Air Selangor regions, namely Petaling (172 areas), Hulu Langat (54 areas), Sepang (194 areas), Putrajaya (23 areas) and Kuala Langat (20 areas).
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