28 September 2022



From May to July 2022, the Metropolitan Waterworks and Sewerage System Regulatory Office (MWSS RO) monitored prolonged and recurring water service interruptions and water quality issues in the southern part of the West Concession Area. Based on the evidence gathered by the MWSS RO in its investigation into the prevailing water supply conditions in the West Zone, Maynilad Water Services, Inc. was found to have breached its service obligation of ensuring the availability of an uninterrupted twenty-four (24) hour supply of water at seven (7) pounds per square inch (psi) minimum pressure for more than 15 days to connected customers in parts of Las Piñas City, Muntinlupa City, Parañaque City, and Cavite Province (Bacoor, Imus, Cavite, Noveleta, and Rosario).

In light of these findings, the MWSS RO, through RO Resolution No. 2022-12-CA, has resolved to impose a financial penalty on Maynilad in the amount of nine million two hundred sixty-four thousand three hundred fifty-eight pesos (PHP 9,264,358) for the continued water service interruptions within the Putatan Water Treatment Plant (PWTP) supply zone.

The said penalty will be implemented in the form of bill rebates to affected Maynilad customers by November. The nature, scope, and other details of the Rebate Program will further be discussed in October, during a Public Information Drive (PIDr) that will be conducted by the MWSS RO, in cooperation with Maynilad. Updates on the schedule of the PIDr will be posted on the MWSS RO’s official Facebook page (@MWSS.RO), Twitter account (@mwssro), and website (ro.mwss.gov.ph).

Meanwhile, the MWSS RO has directed Maynilad to fast-track the implementation of its proposed mitigating measures to address the deteriorating raw water quality in Laguna Lake, and ensure the continuity of water supply within its Service Area.



Chief Regulator