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Digester nearing completion at the Melton Recycled Water Plant

5 June 2018

Construction is nearing completion on a new $8 million digester at the Melton Recycled Water Plant.

A digester is a large water tank that converts sewage into decomposed waste, which after further treatment is then suitable for use as a natural fertiliser. It is also converted into a methane gas that is burned as fuel to produce electricity at the plant.

Works on the digester’s external wall and mechanical and electrical fitout are progressing well, with testing of the digester scheduled to commence in June. The facility is expected to be operational by August 2018.

Western Water’s General Manager Capital Program and Delivery, Robert Murphy, said the new digester was important infrastructure.

"This larger digester is needed, so it can deal with the increased sewage flows to the plant. There is tremendous growth in the local area, particularly at Melton and Rockbank, and we want to ensure we have the right infrastructure in place to cater to this growth," he said.

Melton Recycled Water Plant will be a focus of ongoing improvements in the next 12 to 18 months with several important projects currently in the planning stages.

Western Water has commenced planning for the construction of the Bacchus Marsh to Melton Recycled Water pipeline. This is a new pipeline that will enable the transfer of excess recycled water between the Bacchus Marsh Recycled Water Plant to the larger Melton Recycled Water Plant.

It has also begun planning on a project to upgrade the storage capacity of the plant’s recycled water lagoons by an additional 1,300 megalitres.

Mr Murphy said Western Water is investing significantly in capital works projects to support the region’s growing communities.

"We will be investing $60 million in 2018/19, to cater for the estimated 50 new families that are moving into our service region each week. Looking ahead to the next five years, we expect to spend $364 million in projects across our region, which is a significant investment."


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