New Aquifer Maps

Two new maps by IGS hydrogeologist Sally Letsinger show the relative risk of Indiana's aquifers to contamination. She and other IGS researchers have been working to understand the factors that control the rate of infiltration, or groundwater recharge, into the subsurface. Most groundwater contaminants are transported along with water from the surface to the water table, and so recharge is a significant control on aquifer sensitivity to contamination. These maps identify the locations where water, and therefore, potential contaminants applied at or near the ground surface, are expected to rapidly infiltrate into the subsurface.
New Aquifer Maps Bedrock Geologic Mapping Locations of Wells in the Trenton Oil and Gas Field Welcome to the IGS pause

Michael Daniels
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