Authorities are now looking into the possible liability of hotels and establishments surrounding the Manila Bay a er discoloration on the waterbody was observed last week. "We suspect that this sudden color change from the previous dark blue to turquoise blue is caused by the direct discharge of wastewater from the treatment plants of buildings and establishments in the vicinity," Department of Environment and Natural Resources (DENR) Secretary Roy Cimatu said. After a photo have made rounds on social media showing a striking discoloration of Manila Bay, Cimatu inspected the wastewater discharge along the baywalk area in Pasay City last March 28.

De Vera-Ruiz, E. (2020, March 31). DENR probes Manila Bay discoloration. Manila Bulletin, p. 2.