Geo9 is the first Australian representative of innovative Willowstick Technologies from the US and we are now the world’s first ever authorised Willowstick surveyor. The Willowstick technique directly energises and maps groundwater flow paths. The technology is effective for mapping groundwater paths, contamination flowpaths, identifying the extent of aquifer connectivity and dam seepage paths. Geo9 recently completed Willowstick’s first two Australian projects for major water management utilities. More detail here.


Transient Electromagnetics (TEM)

We map the conductivity of subsurface rocks with TEM. This technique measures the decay time of an induced electrical field in the ground. This method is particularly suitable for mapping target areas of interest. More detail here.



Geo9 is the only Australian company to use the EKS technique for groundwater exploration, previously known as Groundflow. EKS provides us with the ability to determine permeability and flow rates in a given location. This method is useful for confirming drilling targets and is also effective for the scientific assessment of sites selected by diviners.



With resistivity, we generate a direct current on the surface of the ground and measure its path to see how strongly the underground rocks oppose a flow of current. This enables us to find major geological faults, geological boundaries and fracture zones and infer the location and extent of groundwater. Our resistivity surveys are typically between 60m and 100m in depth, although we can go as deep as 150m.


High Resolution Magnetics and Gravity

We conduct high resolution magnetic ground surveys to map structure and lithology that may be hidden by soil or alluvium. This survey enables us to find features that constrict groundwater movement.


Groundwater Imaging

Dr David Allen of Groundwater Imaging is a Geo9 technology partner. Geo9′s team often crew David’s field studies and we are pleased to offer Geo9 clients the benefits of geophysical solutions that David has developed.



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