Gunnamatta
South East Outfall, Boags Bocks
OPERATION DETAILS
| EPA License no. |
EW367 |
Water Quality (Class) |
Secondary |
| Year Built |
1975 |
Responsible Authority |
Melbourne Water |
VOLUME OF EFFLUENT (ML)
| Annual |
137,943 |
| Daily |
358 |
| Peak |
643 |
CONSTRUCTION & LOCALITY
| Distance from shoreline |
30m from low tide mark |
Diameter |
3m x 3m |
| Discharge depth |
0m - 3m |
Elevation |
-3.5m AHD (approximate invert) |
TREATMENT PLANT
| Name and Location: |
Eastern Treatment Plant,Thompson Rd. Bangholme VIC 3175 |
| Main Activities: |
Sewerage treatment plant (to Secondary Standard) using an activated sludge process |
PLANS FOR IMPROVEMENT
|
As proposed in Works Approval application. Upgrade construction announced to begin 2007, complete 2012. Construction has not yet begun, equipment trials for the Class A upgrade are taking place at the ETP in 2008. |
WATER QUALITY SUMMARY
POLLUTANT DATA (Eastern Treatment Plant 2005-2006) |
|
Substance |
Ranking
[1 - 100] |
Total (kg) |
Air |
Land |
Water |
|
Ammonia (total) |
[High - 92] |
4,800,000 |
|
2,300,000 |
2,500,000 |
|
Arsenic & compounds |
[Low - 2] |
1,300 |
0.0049 |
960 |
380 |
|
Beryllium & compounds |
[Low - 1] |
0.00030 |
0.00030 |
|
|
|
Cadmium & compounds |
[Low - 2] |
130 |
0.028 |
120 |
14 |
|
Carbon monoxide |
[Low - 1] |
110,000 |
110,000 |
|
|
|
Chlorine |
[Low - 5] |
5,600 |
|
|
5,600 |
|
Chromium (III) compounds |
[Low - 1] |
0.023 |
0.023 |
|
|
|
Chromium (VI) compounds |
[High - 100] |
4,900 |
0.010 |
4,200 |
660 |
|
Copper & compounds |
[Low - 6] |
23,000 |
0.021 |
21,000 |
1,800 |
|
Lead & compounds |
[Low - 1] |
1,700 |
0.013 |
1,500 |
160 |
|
Manganese & compounds |
[Low - 1] |
0.0093 |
0.0093 |
|
|
|
Mercury & compounds |
[Low - 1] |
31 |
0.0065 |
17 |
14 |
|
Nickel & compounds |
[Low - 6] |
4,500 |
0.052 |
1,500 |
3,000 |
|
Oxides of Nitrogen |
[Low - 1] |
150,000 |
150,000 |
|
|
|
Particulate Matter 10.0 um |
[Low - 1] |
3,200 |
3,200 |
|
|
|
Polycyclic aromatic hydrocarbons |
[Low - 1] |
0.017 |
0.017 |
|
|
|
Sulfur dioxide |
[Low - 1] |
150 |
150 |
|
|
|
Total Nitrogen |
[Medium - 55] |
3,500,000 |
|
|
3,500,000 |
|
Total Phosphorus |
[Medium - 66] |
850,000 |
|
|
850,000 |
|
Total Volatile Organic Compounds |
[Low - 1] |
26,000 |
26,000 |
|
|
|
Zinc and compounds |
[Low - 14] |
46,000 |
0.70 |
40,000 |
6,300 |
Pollutant Data Source - The National Pollutant Inventory (NPI) This material is copyright © Commonwealth of Australia, except where otherwise indicated. Apart from any use as permitted under the Copyright Act 1968, all other rights are reserved.
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