Data, resources, studies

Data

For statewide or regional groundwater geochemistry data contact:

External Data:

Definition of pollution sensitivity
Procedure for Determining Buried Aquifer and Bedrock Surface Pollution Sensitivity based on Cumulative Fine-grained Sediment (CFGS) Thickness, GW-02: January 2016, Minnesota Department of Natural Resources.
Methods to Estimate Near-Surface Pollution Sensitivity, GW-03: ;March 2016, Minnesota Department of Natural Resources.
- Archived method: Procedure for Determining Near-Surface Pollution Sensitivity, v.2.1, 2014.
Criteria and guidelines for assessing geologic sensitivity of ground water resources in Minnesota: 1991, Geologic Sensitivity Workgroup, Minnesota Department of Natural Resources, 122 p. Original printed document scanned December 2003. A few pages contain minor clarifications of the original text.
Geological sensitivity assessment of groundwater systems–a pilot Study for Scott County, Minnesota–summary and evaluation: 1998, by Pfannkuch, H.O., Department of Geology and Geophysics, University of Minnesota, 61 p.
- Report
- Color maps

Karst

Minnesota Regions Prone to Surface Karst Feature Development, GW-01: 2016, Minnesota Department of Natural Resources
Minnesota Spring Inventory Guidance Document provides a framework for statewide MSI data gathering and processing for the DNR, Minnesota Geological Survey, and the University of Minnesota.

Water Table

Residence times of Minnesota ground waters: 1989, by Alexander, S.C., and Alexander, E.C., Jr., Minnesota Academy of Sciences Journal, v. 55, no. 1, p. 48-52.
Carbon-14 age dating calculations for Minnesota groundwaters: 2018, by Alexander, S.C., Alexander, E.C., Jr., Available online from the University of Minnesota Digital Conservancy.
Tritium Age Classification: Revised Method for Minnesota, GW-05: December 2020, Minnesota Department of Natural Resources and the Minnesota Department of Health.