The Yass Water Treatment Plant upgrade is on track to be completed within two to four years, following the appointment of a consultant to create a design and business case.
Hunter H20 Holdings was awarded the tender at Yass Valley Council's ordinary meeting on August 28.
The design and business case should be finalised by Hunter H20 by late April or early May 2020, the council's director of engineering Stan Robb said.
The cost of the contract has been kept confidential to ensure the tender process remained competitive, Mr Robb said.
Although, the cost is expected to be around $1.2 million.
That is the amount the council accepted from the state government's Restart NSW Housing Acceleration Fund to design and create a business case for the upgrade.
The design and business case will determine the cost of the water treatment plant upgrade, Mr Robb said.
That figure, including the design and business case cost, is anticipated to be around $12.2 million, Mr Robb said.
The NSW government had also previously promised the council $10.935 million to complete the upgrade.
"If we need more [funding] we will have those discussions," Mr Robb said.
H20 Holdings was awarded the tender based on its previous experience.
"They've developed water treatment plants before. They have the experience, knowledge and understanding of the various ways to treat water," Mr Robb said.
Once the design and business case are finalised, the council expects the water treatment plant upgrade to be completed between 18 months and three years.
That would mean the water is expected to improve in Yass between September 2021 and September 2023.
Four other consultants submitted tenders including Cardno, GHD, Jacobs Group and WSP Australia.
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