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Opening Date: 12:00 pm WST Tuesday, 22 September 2026  
Closing Date: 2:30 pm WST Tuesday, 03 November 2026

Bid Invitation Number: 7000015533

Water Corporation is inviting organisations with suitable experience, capability and capacity to submit a bid for a Design and Construct (D&C) contractor to deliver a permanent EDR treatment plant and associated infrastructure that meets Water Corporation's water quality, capacity, reliability, safety, and operational requirements.

The bid documents may be accessed on Tuesday, 22 September 2026, 12:00 pm WST by companies registered as Water Corporation suppliers or bidders via the supplier portal.

If you're not currently registered, please complete our online supplier registration form

When registering, all bidders must complete the Water Corporation Health, Safety and Environment (HSE) Prequalification process to Tier 1 level. Please be aware, this may take up to five working days to process. 

We’re here to help. Enquiries should be directed to:
Dee Modrakovic
T: (08) 9420 3288 or 
E: Dee.Modrakovic@watercorporation.com.au