High ammonia levels cause water disruption

JOHOR BARU: High ammonia levels found in raw water from Sungai Johor has caused a major water disruption, forcing three water treatment plants to stop operating in the state.

The disruptions to the Semangar, Sungai Johor and Tai Hong treatment plants have affected some 600,000 residents in the southern part of Johor since Tuesday when the high levels were first detected in the water.