Within the next three years, water from all pipelines is expected to be safe to drink with no health risks.
According to the State Executive Councillor for Agriculture and Infrastructure Dato’ Ir Izham Hashim, 27 pipelines from Selangor’s 34 water treatment plants have already met drinking water standards. Two more were added this year, and another four are set to follow between 2026 and 2028.
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“Selangor has consistently been doing well”
Izham explained that each of the 34 treatment plants has its own pipeline network, except for one that’s shared by two plants. All these networks channel water to balancing reservoirs before it’s supplied to consumers, as reported by Business Today.
As for compliance with the Drinking Water Quality Standards (DWQS), he added that Selangor has consistently been doing well, recording 99.94% as of last May.
To keep water quality in check, two monitoring methods are in place. The first involves checking pH levels, turbidity, colour, and free chlorine content, with about 1,500 water samples regularly sent to labs for testing.
The second uses the real-time hybrid distribution water quality analyser (Hydra), an online monitoring system that triggers an alarm whenever irregularities are detected.
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Readings are taken every 15 minutes to monitor water quality
Izham said 190 Hydra stations have been set up, taking readings every 15 minutes and collecting daily data to make sure water quality stays consistent.
These Hydra stations aren’t just installed at treatment plants but also at other key locations where monitoring is needed. Alarms will go off if unusual readings are found.
“We don’t want the water to be clean at the plant but lose its quality once it reaches the pipelines,” he said.
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