CGDA Projects

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Watershed hydrology and modeling

  • Evaluation of riparian buffer zones using a geographic information system (GIS) and remote sensing
  • Potential karst development areas in the Hoosier National Forest
  • Watershed modeling tools and linkages to the Lake Rim geographic information system (GIS)

Three-dimensional geologic mapping and groundwater modeling

  • Three-dimensional geologic model development of the Huntertown Formation, Allen County, Indiana
  • Three-dimensional groundwater modeling in Berrien County, Michigan

Prediction of E. coli bacterial contamination

  • Hydrologic modeling to evaluate E. coli loading in the Dunes Creek Watershed, Porter County, Indiana

Nitrate studies (agricultural contamination, wastewater treatment)

  • Environmental feasibility of using recycled tire pieces as media in septic system absorption fields

Groundwater and surface-water vulnerability and sensitivity studies

  • Data compilation and analysis for the Coastal Nonpoint Source Management Plan
  • Development of a statistically valid program for monitoring pesticides in groundwater in the State of Indiana
  • Evaluation of contaminant storage and movement at a confined feeding operation
  • Evaluation of groundwater age and chemistry relations in aquifer systems in Lake, Porter, and La Porte Counties
  • Field evaluation of on-site sewage disposal systems (OSDS) and broad-scale mapping of suitable and unsuitable areas for OSDS, Morgan County, Indiana
  • Groundwater in aquifer systems of LaGrange County–baseline water chemistry, nitrate contamination, and aquifer sensitivity
  • Relating groundwater recharge to near-surface aquifer sensitivity in Indiana
  • Source-water assessment

GIS data development, distribution, and interactive Web mapping

  • Conversion of historical data to GIS format for Grand Calumet feasibility study
  • Indiana Contribution to the National Geothermal Data System
  • Indiana Reach Index update
  • Update of the Lake Michigan Rim Web site and data layers for the Grand Calumet feasibility study

Coal mine hydrology (surface and underground mines)

  • Augusta Lake project
  • Distribution and characterization of coal-slurry deposits in Indiana
  • Evaluation of acid mine drainage seeps
  • Evaluation of bench-scale acid mine drainage (AMD) bioremediation tests: Water-quality monitoring and data interpretation
  • Evaluation of methods for controlling metals deposition in acid seeps and acid mine drainage treatment wetlands
  • Friar Tuck acid mine drainage wetland project
  • Hydrochemical evaluation and predictive modeling of sulfate-reducing bioreactor cells
  • 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
  • Optimization of bioreactor cell design for treating low-flow acid mine drainage in the Midwest: Model development and demonstration
  • Rates and Controls on Toxic Metal Leaching from Coal-Combustion Residues Utilized as Structural Fills in Reclamation Settings: Emphasis on the Midwestern AML Site
  • Sulfate-reducing bioreactor net discharge monitoring

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