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Quiet Lakes Bore Flushing Tariff Review 2017 – Melbourne Water

We are preparing a final decision on Melbourne Water’s proposed charge to Quiet Lakes residents of $135 (nominal) per year for bore flushing. Delivery of the final decision is scheduled for May 2017.

We have received a range of public submissions and consulted a variety of key stakeholders. We will consider all of the points raised by stakeholders in the preparation of our final decision.

Released on 10 March 2017, our draft decision addresses flushing requirements aimed at controlling blue-green algae in the Legana and Illawong lakes. The charge of $135 (nominal) per year is lower than the $156 (nominal) originally proposed by Melbourne Water.

The charge would apply to 251 properties next to the two lakes for the period 2017–18 to 2020–21 and would not affect any other Melbourne Water customers.


On 28 November 2016, Melbourne Water submitted a proposal for a new Quiet Lakes bore-flushing tariff, which would apply from 1 July 2017 to 30 June 2021. It would be levied on 251 properties that border Lake Legana and Lake Illawong within the Quiet Lakes area in Patterson Lakes.

The proposed tariff was for a user-pays charge of $156 (nominal) per property and would provide the following services:

  • an additional 253 mega litres of bore water pumped into the lakes for six months each year (1 October – 31 March)
  • weekly blue-green algae monitoring during October and November each year.

Melbourne Water consulted affected residents while developing the proposed tariff, with survey results indicating 75 per cent support for the bore flushing charge and services.

In developing its draft decision, the Commission has considered Melbourne Water’s proposal, stakeholder submissions, Melbourne Water’s consultation with affected customers, and independent technical and legal advice.

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Associated Documents