Millstream Aquifer Sustainable Yield Assessment

Opening date: Tuesday 16 December 2025
Closing date: Thursday 29 January 2026, 2:30pm AWST  
Bid Invitation Number: 7000014998

Water Corporation is inviting organisations with suitable experience, capability and capacity to submit a bid to provide an independent resource assessment of the Millstream Aquifer to
inform future sustainable yield and borefield management, to uphold environmental and heritage values.

The bid documents may be accessed from 16/12/2025 by companies registered as Water Corporation suppliers or bidders via the supplier portal.

If you are not a registered Water Corporation supplier or bidder, please complete the online Supplier Registration form. Please note that this may take up to five working days to process. 

It is mandatory that all bidders are granted Water Corporation Health Safety and Environment (HSE) Prequalification, at the level nominated in the bid invitation before contract award. This application can be lodged via our website.

Enquiries can be directed to:

Bianca Stewart
Contracts Specialist
(08) 9420 2372
Bianca.Stewart@watercorporation.com.au