Tracy Branam
Geological Research at the IGS

Groundwater geochemistry of Indiana aquifers: database development and analysis of the natural chemical character of bedrock and glacial aquifer systems

Status Start Date End Date Locations
completed Jan 1, 2014 Dec 30, 2016 All Counties
Director: Tracy Branam
Other Researchers: Douglas Anderson, Clayton McGuire, Chris Dintaman, Shawn Naylor
Funding: Indiana University - Indiana Geological & Water Survey
Issue: The mineral character of groundwater varies greatly throughout Indiana impacting the taste of drinking water and industrial applications of groundwater.
Objective: Compile groundwater geochemical analyses conducted in Indiana into a standardized database and analyze the data based on unique aquifer systems.
Approach: The work entails collecting data from existing IGS digital files and entering data from older publications into a standardized database format. A Web article will be developed summarizing predominant geochemical water types for Indiana groundwater and this will accompany an online database with an associated interactive map element.
Products: • IGS database and associated interactive map • IGS Web article summarizing predominant groundwater chemistry types in Indiana • Peer-reviewed publication analyzing geochemical character of predominant regional aquifer systems and sources of mineral constituents
Benefits: • Indiana residents using groundwater for water supply will be able to learn more about their water source and why it tastes the way it does. • Companies looking to relocate to or within Indiana can investigate the geochemical character of groundwater sources and project potential issues or benefits associated with various groundwater sources.

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