Environmental Remediation

Award winning environmental remediation services contractor capable of delivering large-scale remediation projects.

We have tackled some of the most complex remediation projects undertaken in Australia, surpassing industry standards. Our wide range of experience and expertise sets us apart and we continually deliver to the highest standards as demonstrated through our numerous awards and industry acknowledgements.

Our Capability

Contaminated soil & solid waste treatment

  • Acid sulphate soil – in-situ and ex-situ
  • Bioremediation – biopiling, landfarming, co-composting, enhanced bioremediation
  • Chemical stabilisation – fixation, immobilisation, microencapsulation, solidification
  • Chemical oxidation – in-situ and ex-situ
  • Geotechnical improvement – physical and chemical
  • Lab-scale and pilot-scale treatment trials and approvals


Groundwater & wastewater treatment

  • Pump and treat system installation and servicing
  • Permeable reactive barrier (PRB) installation
  • In-situ treatment system installation and servicing
  • Acid mine drainage

Our Capability


MCM_Remediation (3)

Site environmental remediation

  • Screening and crushing
  • Contaminated soil, sludges and liquid waste treatment
  • Stockpile management and material tracking
  • Repository construction and capping
  • Hydroseeding, revegetation and landscaping
  • Odour, dust, noise and vibration monitoring and control


Waste management

  • Drilling mud
  • Asbestos – bonded and friable
  • Contaminated timber
  • Tyres
  • PCB oils and fluids
  • Radioactive material
  • All contaminated, prescribed, regulated and hazardous waste
  • Contact the McMahon team for more information about our environmental remediation services available around Australia.
Do you have an upcoming remediation project? Contact the expert team at McMahon Services to assist you with your estimating and project delivery requirements.  
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Garden Island Landfill Remediation
  • Environmental Remediation
  • Hazardous Waste Management
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Unearthing a gem

The transformation of the historic SA Water Thebarton site from a works and maintenance depot into a rolling landscape has...

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Narrows Crossing – Acid Sulphate Soil Treatment
  • Environmental Remediation
  • Acid Sulphate Soils
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BioInnovation Site Remediation
  • Environmental Remediation
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Former Thebarton Depot Site Remediation
  • Building Services
  • Advisory Services
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Welland Remediation Works
  • Environmental Remediation
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Joining Australia’s largest construction project

McMahon Services was contracted by the Fulton Hogan McCosker Joint Venture (FHMJV) to process and treat approximately 15,0...

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