Figure 3-a: Water Quality Index (WQI)

1
E. coli in 2003 440 cfu/100mL
E. coli in 2003 20,000 cfu/100mL
E. coli in 2003 41,000 cfu/100mL
Figure 3-a Water Quality Index (WQI) E.
coli levels of the major rivers in Hong Kong
2
E. coli in 2003 2,100 cfu/100mL
E. coli in 2003 6,500 cfu/100mL
E. coli in 2003 570,000 cfu/100mL
Figure 3-b Water Quality Index (WQI) E.
coli levels of the major rivers in Hong Kong
3
E. coli in 2003 59,000 cfu/100mL
E. coli in 2003 78,000 cfu/100mL
E. coli in 2003 40,000 cfu/100mL
E. coli in 2003 1,600,000 cfu/100mL
Figure 3-c Water Quality Index (WQI) E.
coli levels of the major rivers in Hong Kong