Manila Water consistently intensifies its campaign towards proper wastewater management in Metro Manila’s East Zone through its Used Water Master Plan. The target for the company in terms of used water services is full sewer and sanitation coverage of its entire concession area by 2037. As of July 31, 2018, Manila Water has installed an aggregate of 135,251 sewer connections within the East Zone since the start of its concession period, serving a total of 186,480 households. For the whole of 2017, 1,783 new sewer connections were installed, benefiting 3,382 households, while 630 kilometers of sewer pipes were cleaned within the same period.

MWSS has approved Manila Water’s Business Plan and Rebasing Adjustment for the Fifth Rate Rebasing Period (2018 to 2022). This is based on MWSS Regulatory Office Resolution No. 2018-10-CA dated September 24, 2018 and as approved by the MWSS Board Resolution No. 2018-145-RO dated September 27, 2018.

The tunnel boring machine (TBM) for Manila Water’s Novaliches-Balara Aqueduct 4 (NBAQ4) project has arrived on site in Quezon City. The TBM will be used to build a 7.3-kilometer underground aqueduct passing under Commonwealth Avenue – a first time in the Philippines a TBM will be used in an urban setting.

East Zone concessionaire Manila Water continues to seek partners among local government units and academic institutions within its concession area as it intensifies its efforts to spread awareness regarding the "Toka Toka" advocacy, the first and only environmental program in the country that deals with used water management.