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This table from an EPA study tells the story:
Homebush Bay is one of the places in Sydney Harbour worst effected by
sewerage.
DUAP and the Minister have already decided that 6,000 people should live
within 400 yards of this.
Table 11 Proportion of
Sewage-Derived Pollutants in Sydney Harbour
|
SUB-CATCHMENT
|
INDICATOR
|
|
|
Suspended
Solids
|
Faecal
Coliforms (1)
|
Total
Phosphorus
|
Total
Nitrogen
|
|
|
|
|
|
|
|
Port Jackson
|
|
|
|
|
|
- Darling Harbour
|
0% of 1,122 t
|
6% of 320
CFU load
|
0% of 1.1 t
|
0% of 9 t
|
|
Middle Harbour
|
|
|
|
|
|
- upper catchment
|
0% of 843 t
|
36% of 600
CFU load
|
3% of 1.3 t
|
2% of 7.6 t
|
|
- middle estuary
|
9% of 771 t
|
97% of 7,100 CFU load
|
59% of 1.8 t
|
49% of 11 t
|
|
- lower estuary
|
7% of 889 t
|
97% of 6,400
CFU load
|
54% of 1.8 t
|
43% of 12 t
|
|
Lane Cove River
|
|
|
|
|
|
- freshwater section
|
0% of 220 t
|
15% of 293
CFU load
|
1% of 0.6 t
|
0% of 8.4 t
|
|
- upstream of NSOOS siphon
|
0% of 813 t
|
25% of 400
CFU load
|
2% of 0.9 t
|
1% of 5.7 t
|
|
- downstream of NSOOS siphon
|
25% of 535 t
|
99% of 13,700
CFU load
|
84% of 2.5 t
|
77% of 14 t
|
|
Parramatta River
|
|
|
|
|
|
- freshwater section
|
1% of 2,100 t
|
69% of 4,500
CFU load
|
15% of 3.2 t
|
10% of 24 t
|
|
- upper estuary (Duck River)
|
7% of 888 t
|
93% of 7,000
CFU load
|
38% of 2.6 t
|
10% of 59 t
|
|
- middle estuary (Homebush Bay)
- lower estuary (Hen & Chicken
Bay)
- lower estuary (Iron Cove)
|
24% of 960 t
0% of 1,300 t
1% of 1,040 t
|
75% of 1,900
CFU load
43% of 700
CFU load
48% of 2,400
CFU load
|
60% of 2.9 t
3% of 1.4 t
8% of 1.7 t
|
63% of 20 t
2% of 11 t
4% of 20 t
|
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