JOHOR BHARU, Jan 12 -- The Indah Water Konsortium (IWK) Sdn Bhd sewage treatment plant in Taman Pelangi will undergo an upgrade to accommodate a population of up to 30,000 residents. IWK Sdn Bhd's ...

As a result, treated effluent from a nearby sewage treatment plant (STP) and rainwater from the residential area could not drain properly. IWK added that the area’s low-lying topography and ...

It said the existing sewerage infrastructure and treatment plant, which have been in operation for over 30 years, were built based on technical plans aligned with the area’s original development ...