Geological Research at the IGS

Tracy Branam

Other Projects

Evaluation of groundwater age and chemistry relations in aquifer systems in Lake, Porter, and La Porte Counties
Potential nonpoint-source contamination of the Spring Mill Lake drainage basin
Friar Tuck acid mine drainage wetland project
Evaluation of acid mine drainage seeps
Augusta Lake project
Geochemistry Database
Evaluation of methods for controlling metals deposition in acid seeps and acid mine drainage treatment wetlands
Groundwater in aquifer systems of LaGrange County–baseline water chemistry, nitrate contamination, and aquifer sensitivity
Evaluation of bench-scale acid mine drainage (AMD) bioremediation tests: Water-quality monitoring and data interpretation
Optimization of bioreactor cell design for treating low-flow acid mine drainage in the Midwest: Model development and demonstration
Hydrochemical evaluation and predictive modeling of sulfate-reducing bioreactor cells
Sulfate-reducing bioreactor net discharge monitoring
Investigation of groundwater in abandoned underground coal mines
Monitoring and Modeling a Large-Scale Experiment to Change the Direction of Groundwater Flow at the Blackfoot Reclamation Site in Pike County: Part 2 Assessing the Efficacy of Reclamation that Includes the Construction of a Large Wetland/Bioreactor System
Rates and Controls on Toxic Metal Leaching from Coal-Combustion Residues Utilized as Structural Fills in Reclamation Settings: Emphasis on the Midwestern AML Site
Sulfates in Indiana Substrates
2017 StateMap Project 1_Logansport 1:100,000 scale quadrangle bedrock mapping
IDEM RiverWatch Program
Critical zone karst observatory

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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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