Current Status
Environmental Indicators
Environmental data (indicators) are used to monitor trends and the effectiveness of programs. The main indicators are summarised below.
Water supply
2003/04 |
2004/05 |
2005/06 |
2006/07 |
2007/08 |
Trend |
|
Potable water cost ($/kL) i |
$1.013 |
$1.013 |
$1.264 |
$1.48 |
$1.83 |
- |
Water storage level (per cent) ii |
42.6% |
38.3% |
41.8% |
50.5% |
66.7% |
|
Average City of Sydney rainfall (mm) i |
705 |
1,041 |
792 |
1,403 |
1,197 |
- |
i. Sydney Water
ii. Sydney Catchment Authority June figures.
Water usage
2003/04 |
2004/05 |
2005/06 |
2006/07 |
2007/08 |
Trend |
|
City of Sydney LGA water usage |
TBA |
|||||
Total (ML) |
36,338 |
35,309 |
34,985 |
34,636 |
||
Commercial average (kL) |
2,548 |
2,459 |
2,394 |
2,426 |
||
Units average (kL) |
166 |
165 |
167 |
168 |
||
Houses average (kL) |
201 |
290 |
188 |
181 |
||
Council water usage |
||||||
Total (ML) |
534 |
484 |
487 |
496 |
474 |
|
Per employee (kL) |
361 |
326 |
322 |
304 |
304 |
|
Fountains (kL/site/day) |
No data |
No data |
1.9 |
2.0 |
1.5 |
|
Water pollution
Indicator |
2003/04 |
2004/05 |
2005/06 |
2006/07 |
2007/08 |
Trend |
Darling Harbour bacteria levels (percent compliance to safe limit) i |
||||||
Faecal coliforms |
||||||
Winter |
41% |
41% |
59% |
35% |
55% |
|
Summer |
39% |
23% |
41% |
32% |
35% |
|
Enterococci |
||||||
Winter |
41% |
32% |
55% |
40% |
68% |
|
Summer |
74% |
35% |
69% |
55% |
48% |
|
NSWMaritime rubbish collection (m3) |
||||||
Blackwattle Bay |
96 |
99 |
116 |
126 |
93 |
- |
Rozelle Bay |
214 |
298 |
263 |
204 |
157 |
- |
Rubbish from Council stormwater pollution traps (t) |
1,104 |
1,372 |
1,102 |
1,290 |
1,334 |
- |
Water pollution infringements |
52 |
94 |
76 |
44 |
84 |
- |
i. For faecal coliform and enterococci bacteria levels tested by the NSW Department of Environment and Climate Change.
Legend
% - Percent
$ - Cost
kL - Kilolitres
LGA - Local Government Area
ML - Megalitres
mm - Millimetre
m3 - Cubic metre
t - Tonne
Last Updated: Thursday 30 October, 2008
