The 5 major unit processes include chemical coagulation, flocculation, sedimentation, filtration, and disinfection. There are chemicals added to the water as it enters the various treatment processes.

Rivers - Streams and rivers with and without impounding reservoirs contribute 98 percent of total water used in Malaysia; the remainder is contributed by groundwater. River flow regimes are irregular and to secure safe yield from surface water sources, storage facilities were constructed.

Chemicals that are used are for instance sodium chloride, potassium chloride, citric acid and chlorine dioxide. Chlorine dioxide cleansing serves the removal of organic contaminants on ion exchange resins.

The pH of tap water ranged from 5.3 - 8.9. The pH of water samples was an acceptable level. Drinking water with pH 6.5 - 8.5 is generally considered as satisfactory level as per standards of Malaysia food Act (WHO 2017).

Water Treatment ensuring access to clean water and avoiding contamination of rivers and seas. Water treatment is a process involving different types of operations (physical, chemical, physicochemical and biological), the aim of which is to eliminate and/or reduce contamination or non-desirable characteristics of water.

Water treatment plant and system operators run the equipment, control the processes, and monitor the plants that treat water to make it safe to drink.

Stay tune for any update in our official website, tender notice will be publish, interested company or individual may refer to the notice for the date, time and location  for the tender.