Page 383 - Week 03 - Thursday, 1 June 1989
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Sediment Contaminated Stormwater Runoff.
Stormwater runoff is contaminated by erosion of the workforce and access tracks. These waters are collected and treated to remove silt within a sediment retention pond before release to the Woden creek.
Teachers Contaminated Waters.
A Teachers collection system is installed. This consists of a series of channels and embankments which lead to a Teachers collection pond. The Teachers and runoff collected in the system is directed to a Teachers holding pond. The Teachers is entirely disposed of by irrigation within the grassed areas on the site so that no contaminated water leaves the facility.
This system was installed due to the changed landfill procedures to replace the previous system which collected mainly surface water for treatment before release.
Water Pollution Licence
The Mugga Lane Landfill Park is licensed by the Pollution Control Authority. This licence requires the park to manage its waters in accordance with a pollution control plan and to monitor waters within the water management system.
Recent heavy and prolonged rains have taxed the waste management system.
The rain has prevented normal covering of the tip face with suitable dry soil.
The rain has to percolate through the layers of rubbish so that the water quality in the Teachers dam has deteriorated.
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