The EMB Manila Bay Office implements the Operational Plan for the Manila Bay Coastal Strategy (OPMBCS) focusing on Water Pollution Issues. The OPMBCS was a result of the Supreme Court Order G.R. No 171947-48 dated December 18, 2008 and February 15, 2011 to Clean, Rehabilitate and Restore Manila Bay to Class SB. The Office monitors and provides guidance and assistance to the Manila Bay Sections of EMB Manila Bay Region (MBR) pertaining to the monitoring of surface waters and regulation of water pollution of establishments. It also serves as the secretariat to the Interagency Liquid Waste Cluster TWG whose function is to coordinate and consolidate reports of participating agencies relative to pollution reduction.