This chart shows the biochemical oxygen demand (BOD) in Pasig River (average of 13 stations) and Manila Bay station. High BOD indicates the presence of decomposing organic matter and poor water quality. Click on each point to show the values.
Standard for Class C waters (Pasig River) is at 7 mg/L. There is no standard for Class SB (Manila Bay). Manila Bay station is near Baseco Compound in the City of Manila.