KUALA LUMPUR: The water treatment plant at Batu 11, Cheras, which resumed operations on Sunday, had to be closed again at 8am on Tuesday due to an increase in the level of ammonia.
Syarikat Bekalan Air Selangor Sdn Bhd (Syabas) in a statement said ammonia level was detected at 6.40ppm (part per million) compared with the permitted level of 1.50ppm.
