The Supreme Court has mandated the Department
to monitor all local government units (LGUs) in Regions III, IV-A and NCR that are within the Manila Bay watershed area to perform
activities in service of the six (6) outcome areas of the Operational Plan for the Manila Bay Coastal Strategy (OPMBCS) of the which
focuses on the compliance to having septic tanks and wastewater treatment facilities; the implementation of R.A. No. 9003, R.A. No.
9275, R.A. No. 7279, R.A, No. 8550 as amended by R.A. No. 10654; and conduct of information, education, and communication (IEC) campaigns.