MANILA, Philippines — Water concessionaires Maynilad Water Services Inc. and Manila Water Company Inc. on Wednesday warned of possible rate increases as they expressed “grave concern” over the “unilateral” cancellation of the extension of their concession agreements. Metropolitan Waterworks and Sewerage System (MWSS) has revoked the 15-year extension of the water firms’ concession agreements. The … Continue reading Water firms warn of possible rate hikes as extension of concession deal revoked