Data and Resources



Pollution Sensitivity

  • Definition
  • Buried aquifers and the bedrock surface 
    Procedure for Determining Buried Aquifer and Bedrock Surface Pollution Sensitivity based on Cumulative Fine-grained Sediment (CFGS) Thickness, GW-02, January 2016.
  • Near surface 
    Methods to Estimate Near-Surface Pollution Sensitivity, GW-03, March 2016.
    Archived method  Procedure for Determining Near-Surface Pollution Sensitivity, v.2.1, 2014.
  • Criteria and Guidelines (8 Mb)
    Geologic Sensitivity Workgroup, 1991, Criteria and guidelines for assessing geologic sensitivity of ground water resources in Minnesota: Minnesota Department of Natural Resources, Division of Waters, St. Paul, MN, 122 p. Original printed document scanned December 2003. A few pages contain minor clarifications of the original text.
  • Geological sensitivity - ReportColor maps
    Pfannkuch, H.O., 1998, Geological sensitivity assessment of groundwater systems: A Pilot Study for Scott County, Minnesota - Summary and Evaluation, Department of Geology and Geophysics, University of Minnesota, 61 p.


  • Karst 
    Minnesota Regions Prone to Surface Karst Feature Development: GW-01.
  • Water Table 
    Methods for Estimating Water-Table Elevation and Depth to Water Table, GW-04, April 2016 
  • Residence time
    Alexander, S.C., and Alexander, E.C., Jr., 1989, Residence times of Minnesota ground waters, 1989: Minnesota Academy of Sciences Journal, v. 55, no. 1, p. 48-52.