Section 4Sec./Art. 4

Manner of Operation of Stations or Facilities. All waterworks and sewerage system for water and sewerage services owned, maintained, operated, or managed by the grantee, its successors or assignees, shall be operated and maintained at all times in accordance with industry standards provided for in Republic Act No. 9275 or the Philippine Clean Water Act of 2004 and Presidential Decree No. 1067 or The Water Code of the Philippines, and as specified in the Concession Agreement, certificate of public convenience and necessity, license or permit.

The grantee shall comply with the resolutions, issuances, and standards set by the Regulatory Office and other concerned government agencies.

The La Mesa Dam and Reservoir which was designed to be a complimentary facility to the Balara Water Treatment Plants operated by the grantee shall continue to be managed by the grantee with the approval of the MWSS.

It shall be the duty of the grantee, its successors or assignees, whenever required to do so by the Regulatory Office or any authorized government agency, to modify, improve, and change the waterworks and sewerage system or facilities in a manner and extent as the technological improvements in the water supply and sewerage services shall render beneficial to consumers, and shall promote efficiency and environmental sustainability.

The grantee shall promote water conservation and avoid water wastage. With the approval of the Regulatory Office and considering cost efficiencies, the grantee shall establish water impounding facilities, consider and undertake the recovery and appropriate reuse of wastewater, grey water, industrial water, and reclaimed water.1aшphi1 The grantee may adopt waste-to-energy or similar technology utilizing sludge waste from its wastewater facilities to promote energy efficiency in its operations.