WATCH: DSWD demos water filtration system ahead of Super El Niño. MANILA, Philippines – Department of Social Welfare and Development (DSWD) Sec. Rex Gatchalian demonstrates a bucket-based water filtration system during a press briefing in Malacanang on Wednesday, Oct. 14, 2026. The demonstration aims to show how the filtration technology can help provide safer drinking water amid the anticipated effects of Super El Niño. /dp READ.