Mapping Subsurface Water Connection Paths

The Willowstick method uses a low voltage, low amperage, alternating electrical current to directly energize the groundwater by way of electrodes placed down wells or in contact with seeps or leaks. Since groundwater is typically a better conductor of electrical current than the surrounding rocks or earthen materials, the electric current follows the water bearing features that help to complete the circuit between the two electrodes. This electric current, just like all electric currents, generates a magnetic field. This magnetic field is then measured and recorded at the surface of the ground using our patented instruments.

Like an MRI before surgery.
— Val Kofed President
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Survey data is normalized to highlight anomalies. These anomalies represent areas where the magnetic field is greater than expected. In the simplest terms, the Willowstick method identifies the preferential connection paths present in the area of investigation. Willowstick has proven effective in mapping and modeling subsurface water systems for over 130 clients in a wide variety of applications.