Why GRM?

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Why GRM?


GRM is a successful Perth based groundwater consultancy founded in 2003.  

Since that time we have worked with a wide range of mining and other clients, to provide cost effective groundwater solutions that fit their needs. 

GRM has  undertaken a variety of hydrogeological studies on client projects throughout Australia and internationally, including Asia, Africa, Middle East and Europe.


A summary of our services and selected project experience are presented in the following sections



GRM Services

Water supply investigations
Mine Dewatering 
Surface water management studies
Groundwater and seepage modelling
Site-wide water balance development

Meet The Team


Rob Garnham has over 25 years’ hydrogeological consulting experience in Australia and overseas, including Tanzania, the DRC, Mali, Zambia and Guinea. His more recent experience on Australian
projects include: Mt Morgans Gold Project (DFS), Pilgangoora lithium project (DFS), Cosmos Nickel project (PFS and approvals), Glencore’s McArthur River Lead Zinc operation (Independent Monitor), Newmont’s Tanami Gold operations at the Granites (expansion studies) and the Mt Holland Lithium Project.

He has worked extensively on dewatering, water supply and water management investigations; ranging from scoping studies to detailed design, operations and through to mine closure.


Contact Us

Contact Info


Phone: +61 8 9433 2222
Fax: +61 8 9433 2322

Office: 15 Harborne St, Wembley, WA 6014

Postal: PO Box 442, Bayswater, WA 6933