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Urban Waterway Management and Wastewater
Treatment in Melbourne |
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Visiting
Melbourne Water
To
see the water management in Melbourne, the group took a visit to Melbourne
Water; staff of Melbourne Water explained the works of the company in
detail. Melbourne Water is owned by the Victorian Government and plays
a major role in the total water cycle. Their works include protecting
water catchments, water supply, removing storm water pollution, improving
waterways for storm water, treating sewage and industrial waste and
supplying recycled water.
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| Urban
waterway management |
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During
the trip, staff of Melbourne Water guided participants to see pipes
and waterways, and explained the management of the waterways, include
waterway diverters, stream frontage management and steam flow management.
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Figure
1: Staff of Melbourne introduced the underground pipes
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Figure
2: Waterways linking to urban Areas
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| Werribee
wastewater treatment plant and sewage disposal system |
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The
second stop for the group was the Werribee wastewater treatment plant.
In this treatment plant, wetlands are specifically constructed to remove
pollutants from stormwater run-off. By using wetlands, nutrients such
as nitrogen and other pollutants can be filtered, suspended solids can
be also removed by sedimentation ponds constructed at wetland inlet
points.
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Figure
3: Wetlands at the Werribee Wastewater Treatment Plant
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Figure
4: Wastewater Entering Wetlands
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Besides
acting as a natural filter, the wetlands at the Western Treatment Plant
at Werribee also attract an amazing array of wildlife. The wetlands
are declared a Wetland of International Importance under the Ramsar
Convention, and they can house an estimated 65,000 birds at any one
time.
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Figure
5: Tanks for Water Treatment
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Figure
6: The Wetlands are an Important Habitat for Wild Birds.
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