The Semenyih and Bukit Tampoi Water Treatment Plants (LRA) in Selangor were shut down yesterday following an odour originating from the location where a perfume oil spill had occurred due to an accident on Dec 24, 2022.

Selangor Tourism, Environment, Green Technology, and Orang Asli Affairs Committee chairperson Hee Loy Sian said the two LRAs which were shut at 7pm yesterday for about four to six hours was a preventive measure following odour pollution in the Semenyih River.

“The odour from the spilled perfume oil at the location was...