Average Arsenic Concentration by County in Southeastern Idaho Thermal Wells and Springs, 2014

• Arsenic levels vary significantly by county, with the highest average concentration found in Twin Falls.
• The lowest average Arsenic concentration that was reliably measured is in Jefferson County.
• Dataset contains placeholder values signalizing absent data, which have been omitted from the average calculation to prevent distortion.
• Some counties, like Jefferson, presented outlier average values that could indicate data errors or extreme local variation.
• The analysis provides a snapshot specific to the year 2014 and may not reflect changes in water chemistry over time or seasonal variations.
• Data was collected as part of an effort by the Center for Advanced Energy Studies (CAES) to analyze the geothermal potential of the region.