Tenders by work type and state

Water and sewer infrastructure tenders in South Australia

8 open tenders · 7 where water and sewer infrastructure is the main work

Water and sewer infrastructure is the main work

Water & Sanitation
Lagoon Remediation at Roxby Downs Wastewater Treatment Facility – Bund Restoration, Pipe Encasement & Fence Works
26 days ago
Roxby Downs Council — SA
Roxby Downs, SA
Closing: 26 Oct 2026
Water & Sanitation
Patey Drive SA Health‑Compliant CWMS Pump Station and Rising Main — Design, Construction & Commissioning (Renmark Paringa Council)
26 days ago
Renmark Paringa Council — SA
Renmark Paringa, SA
Closing: 26 Oct 2026
Water & Sanitation
Design & Construct Irrigation Upgrade — Pump Shed, Tank and Services for Gawler Central Oval & Princes Park
23 days ago
Town of Gawler — SA
Gawler, SA
Closing: 30 Oct 2026
Water & Sanitation
Warradale Base Sewer Reticulation Upgrades and Pavement Repairs – South Australia
20 days ago
Department of Defence - DSRG — FED
Warradale, SA
Closing: 02 Nov 2026
Water & Sanitation
Irrigation Design & Construction for Gawler Central Oval and Princes Park (14–22 Nixon Terrace)
23 days ago
Town of Gawler
Gawler, SA
Closing: 06 Nov 2026
Water & Sanitation
Installation and Commissioning of 16 Recycled Water Connections – City of Onkaparinga (Aldinga Beach & Morphett Vale)
12 days ago
City of Onkaparinga — SA
Aldinga Beach and Morphett Vale, SA
Closing: 13 Nov 2026
Water & Sanitation
Northern Water Project — New Sustainable Water Source for Far North, Upper Spencer Gulf & Eastern Eyre Peninsula (South Australia)
about 1 year ago
SOUTH AUSTRALIAN GOVERNMENT — GATEWAY
Closing: 31 Dec 2028

Includes water and sewer infrastructure work

Where the water and sewer infrastructure work is

  • Gawler, SA2 open tenders
  • Aldinga Beach, SA1 open tender
  • Bordertown, SA1 open tender
  • Morphett Vale, SA1 open tender
  • Roxby Downs, SA1 open tender
  • Warradale, SA1 open tender

Who wins water and sewer infrastructure work in South Australia

  • Promet Valves34 contracts in the last 12 monthsSupplies valves, hoses, pipes and watercraft spare parts to Defence, plus valve repair services.
  • Ventia Australia Pty Ltd.30 contracts in the last 12 monthsProvides facilities management, maintenance, roadworks and support services to government and defence agencies.
  • Fulton Hogan30 contracts in the last 12 monthsRoad maintenance, civil construction and infrastructure works for state transport and defence agencies.
  • McMahon Services Australia17 contracts in the last 12 monthsDelivers civil works, demolition, remediation and building construction for government and defence clients.
  • Trility14 contracts in the last 12 monthsOperates, maintains and builds water treatment plants for water utilities and resorts.
  • Leed Engineering and Construction4 contracts in the last 12 monthsBuilds water infrastructure, pipelines, reservoirs and treatment plants for water authorities and government.
  • Silver City Drilling Pty Ltd4 contracts in the last 12 monthsDrills and constructs water bores and production wells for remote communities and government agencies.
  • OSMOFLO3 contracts in the last 12 monthsSupplies, installs and maintains water and wastewater treatment plants and related civil works, mainly for Defence.
  • Waternish Engineering3 contracts in the last 12 monthsBuilds and upgrades wastewater treatment plants and sewerage infrastructure for water authorities.
  • Central Civil and Plumbing3 contracts in the last 12 monthsCivil and plumbing contractor delivering wastewater, water main and bore works for SA Water and remote communities.
  • Tonkin Consulting Pty Ltd2 contracts in the last 12 monthsProvides civil, structural and road engineering design and documentation for government infrastructure projects.
  • Pinion Advisory2 contracts in the last 12 monthsProvides water, irrigation and agricultural advisory services to government agencies and land managers.

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