Lower Molonglo Water Quality Control Centre

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The Lower Molonglo Water Quality Control Centre is a sewerage and waste water treatment facility in the Australian Capital Territory, owned and operated by ACTEW Corporation.

The Lower Molonglo Water Quality Control Centre (or LMWQCC) is the largest inland treatment facility in Australia^{[citation needed]}, treating more than 90 million litres of Canberra's wastewater (including sewerage) per day using a combination of physical, chemical, and biological methods.

The centre treats waste to an extent that much of it may be safely released back into the environment by way of the Molonglo River. Solid Waste is however separated during treatment and incinerated at high temperatures resulting in an ash that is is sold to local farmers and gardeners as a fertiliser.^[1] Recent water shortages has also seen the treated effluent reused instead of released into the river, with much going into non-potable re-use schemes for the watering of sports grounds and gardens.

[edit] Certifications

The Centre was Australia's first waste treatment facility to gain two significant international standard certifications^{[citation needed]}:

• AS/NZS ISO 9002 - Quality Management Systems
• AS/NZS ISO 14001 - Environmental Management Systems

[edit] Environmental role

Given Canberra's inland location, the centre is vital to ensuring the health of rivers and local eco-systems by reducing pollution and ensuring adaquete water flows, to some extent making up for water taken from rivers and stored in catchments for the national capital.

[edit] Risks to Canberra

The treatment of waste water involves the use of strong chemiclas, many of which are toxic. Following the 2003 Canberra bushfires, in which the plant was damaged, two hazards were shown to exist regarding the water treatment facility, the first of which was the disastrous consequences of fire impacting such chemicals. It was revealed in testimony by fire officer Dannie Camilleri that had fire impacted and breeched tanks storing chlorine at the centre (as well as other chemicals), it would have caused a disastrous situation, releasing toxic gas and requiring large scale evacuations of the national capital.^[2]

The other hazard revealed was the inadequacy of storage at the centre in the event of a failure. The bushfires damaged the plant to such an extent that treatment was halted. Reserve tanks had storage sufficient for only an extra day. Had the plant not being fixed in time, excess waste and untreated effluent would have being expelled into the Molonglo river causing serious ecological and public health consequences.

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