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FAQ #5: Do you expect any toxic material in the water that returns from the test well?

March 17, 2012

Geothermal fluids often contain dissolved minerals that naturally occur in the rock, sometimes in high concentrations. However, the target well, drilled by the lease-owner in 2008, is not connected to significant geothermal waters which is why the well is available for this demonstration.

During the 30 day stimulation test, the injected water will not spend enough time at depth to absorb large quantities of minerals. Regardless, all water flowing back out of the well after stimulation will be contained in double-lined retention ponds. Ultimately the water will be re-injected into the deep EGS reservoir and, if applicable water quality standards are met, evaporated with the aid of sprinklers positioned on the drill pad.

Previous FAQ: Will any water or additives that you inject or produce enter the local or regional aquifers?

Next FAQ: Will the demonstration cause damaging or ‘felt’ earthquakes?

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