SAWACO takes steps to address overexploitation of underground water stockbot 0 57 2023.10.18 11:14 https://vietnamnews.vn/society/1595292/sawaco-takes-steps-to-address-o… + 5 https://vietnamnews.vn/rss/society.rss + 4 Saigon Water Supply Corporation (SAWACO), the largest water supply company in HCM City, is making efforts to address the overexploitation of underground water and provide safe and clean water to residents.