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
Indicator |
2003/04 |
2004/05 |
2005/06 |
2006/07 |
Trend |
Potable water cost ($/kilolitre) i |
$1.013 |
$1.013 |
$1.264 |
$1.48 |
|
City of Sydney area average rainfall (mm)ii |
705 |
1,041 |
792 |
1,403 |
|
Water storage level (per cent)iii |
42.6 |
38.3 |
41.8 |
50.5 |
|
City of Sydney LGA total water use (megalitres)ii |
36,338 |
35,309 |
34,985 |
34,636 |
|
City of Sydney average water use per property (kilolitres)ii: - Commercial - Units - Houses |
166 201 |
165 290 |
167 188 |
168 181 |
|
Council water usage (megalitres)ii |
534 |
484 |
493 |
496 |
|
Council water usage per employee (kilolitres)ii |
361 |
326 |
322 |
310 |
|
Fountains water usage (kilolitres/fountain/day) |
No data |
No data |
1.9 |
2.0 |
~ |
Notes
i Sydney Water pricing for consumption more than 100 kilolitres per quarter.
ii Sydney Catchment Authority June figures.
Water pollution
Indicator |
2003/04 |
2004/05 |
2005/06 |
2006/07 |
Trend |
Darling Harbour bacteria levels exceed safe limit (months per year)i |
7 |
10 |
6 |
9 |
|
Water pollution removed from Blackwattle Bay (cubic m) ii |
96 |
99 |
116 |
126 |
~ |
Water pollution removed from Rozelle Bay (cubic m)ii |
214 |
298 |
263 |
204 |
~ |
Rubbish from Council stormwater pollution traps (t) |
1,011 |
1,366 |
1,249 |
1,290 |
~ |
Water pollution infringements |
52 |
94 |
76 |
44 |
~ |
Notes
ii For faecal coliform and enterococci bacteria levels tested by the NSW Department of Environment and Climate Change.
ii Information provided by the NSW Maritime Authority.
Legend
Per cent (%)
Cubic metre (cubic m)
Kilolitre (kL)
Millimetre (mm)
Tonne (t)
Last Updated: Friday 1 February, 2008
