WASA: Point Lisas Plant still down, residents urged to manage water – Trinidad The Water and Sewerage Authority is advising customers who are currently without a pipe-borne water supply in parts of Central and South West Trinidad, that this is due to ongoing problems at the Point Lisas Desalination Plant. WASA issued a statement on Monday evening, noting that partial operation of the facility was achieved on December 4 after the initial disruption on December 3. (LINK). HIWI042019-01-02T09:43:23+01:00