Indah Water Konsortium, Malaysia's silent sanitation heroes, weave a hidden network beneath the streets, ensuring wastewater flows away from homes and businesses, treated and returned to the environment. Imagine a giant, unseen machine, diligently pumping and purifying, protecting public health and preserving waterways. IWK operate and maintain thousands of sewage treatment plants, desludging septic tanks, and constantly innovating to recover resources and minimize waste.