County Geologic Atlas Program

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Printed atlases available through MGS

Regional Hydrogeologic Assessment: Otter Tail

Number: RHA-5

Included Counties:
Parts of: Becker, Douglas, Grant, Hubbard, Otter Tail, Todd, and Wadena

Published in two parts:


Part A - Geology


Date: 1999

Scale: 1:200,000

Publisher: Minnesota Geological Survey (MGS  external link)

Contents (PDF and GIS files external link):

  • Plate 1 - Surficial geology
  • Plate 2 - Quaternary stratigraphy



Part B - Hydrogeology


Date: 2002

Scale: 1:200,000

Publisher: Minnesota Department of Natural Resources, Ecological and Water Resources Division


  • Plate 3 PDF icon. - Surficial hydrogeology (2.0 MB)
  • Plate 4 PDF icon. - Geologic sensitivity to pollution of near-surface ground water(4.6 MB)
  • Technical Appendix PDF icon. - Appendix - Water chemistry and residence time (2.8 MB)
  • GIS files