Figure 3.Map showing the selected river system draining into Manila Bay Selected river systems in the Manila Bay Region (Region 4-A, NCR and Region 3) discharging into Manila Bay were monitored to determine their compliance with the water quality criteria. Figure 3 shows the location of selected river system monitored. In the NCR, three (3) continue reading : River Water Quality Monitoring

Nine (9) stations Baywide in Manila Bay as shown in figure 2 were monitored for DO, pH, salinity, phosphate, temperature and conductivity. A decreasing trend of Dissolve Oxygen (DO) from top to bottom was observed in the bay. Except station 7 that was monitored in 2011, surface DO conformed the criteria of 5 mg/ml in continue reading : Baywide Monitoring Offshore

Monitoring of Bathing Beaches To determine pathogens contamination of bathing beaches in Manila Bay, nineteen (19) stations were monitored for total and fecal coliform count, (Figure 1). Data derived from the monthly monitoring from 2011 to 2015 for fecal and total coliform are shown in Table 1 and 2 respectively. In summary, Table 3 showed continue reading : Water Quality Monitoring