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Aerial view of Mt Crosby East Bank WTP

Mt Crosby East Bank WTP filter upgrade

Seqwater operates more than 30 water treatment plants across South East Queensland.

The Mount Crosby East Bank Water Treatment Plant (WTP) turns raw water into safe, drinkable water for the Brisbane and Ipswich area.

East Bank and West Bank water treatment plants, both located at Mount Crosby, can produce up to 800 megalitres of drinking water each day.

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Home What We're Doing Mt Crosby East Bank WTP filter upgrade

Filter upgrade project

To improve the long-term capacity and reliability of this important infrastructure, Seqwater will be making a number of repairs and upgrades at the plant.

This work will be completed in stages, starting with the oldest section first. The first rapid sand filters at the Mt Crosby East Bank WTP were built in 1945.

In total, there are 20 filters at the plant which require refurbishment. The filters are an essential part in the water treatment process which assists with clarifying the water prior to disinfection.

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Mt Crosby East Bank WTP entrance
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    Night works to start from Monday 2 August 2021

    Night works will commence at the Mt Crosby East Bank Water Treatment Plant from Monday 2 August 2021 to further progress with important upgrade work. Contractors will be working in two shifts, which is expected to last for one month.

    To support our commitment to a safe, sustainable and efficient SEQ Water Grid, Seqwater is investing $45 million to upgrade the filters and associated infrastructure at the Mt Crosby East Bank Water Treatment Plant. This work has been ongoing since late 2019.

    To further progress this important upgrade work, from Monday 2 August 2021, Seqwater will be undertaking night works at the plant. Contractors will be working in two shifts, which is expected to last for one month.  

    What to expect:

    • Work times will be from 6am to 3am, in two shifts. This means Seqwater employees and contractors arriving at site before 6am and leaving after 3am, creating an increase in traffic.
    • There will be no power tools, truck or crane movements during this period. There will however be some background construction noise.
    • There will be no impact to your water supply.

    Thank you for your patience and understanding. If you have any questions or concerns about this work, please contact us: 

    Mt Crosby East Bank Water Treatment Plant

    Mt Crosby Water Treatment Plant project reaches milestone

    A $35 million project to upgrade one of South East Queensland’s most important water treatment plants is about to reach a significant milestone. 

    The filtration upgrade at the Mt Crosby East Bank Water Treatment Plant in Ipswich, to replace 20 sand filters that help purify the region’s drinking water, is almost 50 per cent complete.

    The Mt Crosby water treatment plants, consisting out of East Bank and West Bank, are critical to the operation of the SEQ Water Grid and provide more than half of Brisbane and Ipswich’s daily water supply.

    The project is delivering major improvements to the plant’s filter design and controls. Work will significantly improve the plant’s ability to maintain water supply during extreme rain events and flooding to further improve the water supply security of our region.

    The project is being staged to ensure water supply is maintained.

    In total, 20 filters at the plant require refurbishment which will be completed in five stages. The first year of construction has been completed on time and nine refurbished filters have successfully returned into service.

    Taking filters offline has resulted in reduced production at East Bank, so Seqwater has been using the SEQ Water Grid and other treatment plants across the region to help supplement drinking water supply during the project.

    The upgrade work will help the plant be more able to treat water with high levels of turbidity or sediment which can result from extreme rainfall events across the Wivenhoe catchment washing soil and debris into the creeks and waterways.

    This project marks the first time the sand filters have been replaced since they were progressively installed over 20 years from 1948. The new filters are expected to be in use until about 2070. 

    Birds eye view of East Bank Water Treatment Plant Filter upgrade at Mount Crosby

    Essential night work at East Bank Water Treatment Plant

    Upgrading the essential East Bank Water Treatment Plant progresses with night work starting from Monday 8 June through to early September 2020. The night works are requited to complete the upgrade and get the plant back to full service.

    Work to upgrade the essential East Bank Water Treatment Plant at Mt Crosby is progressing. We are investing $45 million to upgrade the treatment plant which is a critical part of the SEQ Water Grid.

    To complete the upgrade and get the plant back to full service, Seqwater and our contractors need to begin night work. This will start Monday 8 June 2020 and continue through to early September 2020. 

    We recognise the impact night work can have and we thank you for your patience during this essential upgrade.

    To minimise noise and other impacts, our contractors will focus on quieter tasks during night shift, working within treatment plant buildings. Noisier work such as concrete drilling or truck deliveries will be performed during day work hours. 

    What to expect:

    • Night work is scheduled to occur Monday to Friday from 6:00 pm to 2:00 am. 
    • Day work is scheduled to be performed from Monday to Saturday from 6:00 am to 6:00 pm.
    • Vehicles will enter the site at the start and end of shifts 
    • No noisy power tools, truck or mobile crane movements will occur during night shift. 
    • There will be no impact to your water supply.

    If you have any questions or concerns about this work, please contact our Community Relations Advisor, Kirsty on 0466 482 309 or [email protected] 

    Thank you for your patience as we work to upgrade this critical water infrastructure. 

    East Bank Filtration Augmentation 1947

    The history of the East Bank filters

    It was the Queensland Premier of the time, Mr E M Hanlon, who commissioned the oldest section of the East Bank Water Treatment Plant on 13 May 1948.

    This section of the plant will be the first to undergo an upgrade when the Mount Crosby Filter Refurbishment project commences.

    It was the Queensland Premier of the time, Mr E M Hanlon, who commissioned the oldest section of the East Bank Water Treatment Plant on 13 May 1948.

    This section of the plant will be the first to undergo an upgrade when the Mount Crosby Filter Refurbishment project commences. The first six filters will be taken offline in March 2020.

    Senior Project Manager Bart Vervetjes said some of the filter design was developed during World War II at a time when demands on the water supply due to population growth and the war effort resulted in the first three of the Stage 1 filters being brought into operation 23 months after construction started in February 1944. The remaining three following in March 1946 at a total cost of £250,000.

    Mr Vervetjes said these filters and their similar three stages built over the next 22 years had served the public well and had endeared themselves to generations of staff who had operated them.

    “The refurbishment works will incorporate improvements in filter design and control, to ensure that these assets continue to assist with the provision of safe and reliable drinking water well into the 21st century,” he said.

    “The program of works includes the staged refurbishment and upgrade of the 20 filters and related infrastructure at the water treatment plant.

    “Work will be completed in five stages, starting with the oldest section which was commissioned by Premier Hanlon.”

    The filter refurbishment will be completed in stages to minimise the plant maximum capacity aiming to reduce the risk of disruption to Brisbane’s water supply.

    The two Mount Crosby Water Treatment Plans are critical assets for the greater Brisbane water supply. Between them (East Bank and West Bank WTPs) the water treated comprises of approximately 60 per cent of Seqwater’s total water allocations.

    The Mt Crosby East Bank filter refurbishment contract was recently signed by CEO Neil Brennan and BMD Group Executive Directors Craig Mortensen and Paul Fogarty.

    The contract is the highest ever value construction contract Seqwater has entered into.

    The $27 million contract covers a program of works expected to take three years to complete.

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    East Bank Water Treatment Plant filter gallery 1948