PSA Inorganic analytical services

Opening Date: 12:00 pm WST Thursday, 17 September 2026 
Closing Date:2:30 pm WST Thursday, 15 October 2026

Bid Invitation Number: 7000015487

Water Corporation is inviting organisations with suitable experience, capability and capacity to submit a bid for provision of inorganic analytical testing services across multiple monitoring points at frequencies ranging from weekly to annually. Testing parameters include, but are not limited to: chlorine, pH, fluoride, suspended solids, cyanide, basic water parameters, metals, nitrate/nitrite, ammonia, total phosphorus, filterable reactive phosphorus, chlorophyll, and other related variables.

The bid documents may be accessed on Thursday, 17 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 4 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