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Public Waters (PW) Basin and Watercourse Delineations
These are provisional representations of Public Waters Basins (lakes, wetlands) and Watercourses (streams, altered channels) as depicted on the scanned paper regulatory maps and... -
Lakes of Biological Significance
This layer shows lakes meeting criteria for Lakes of Biological Significance (LBS) in Minnesota. Lakes were identified and classified by DNR subject matter experts on objective... -
Stream Routes with Strahler Stream Order
Stream segments with Strahler stream order values assigned. For more information about Strahler stream order, see: http://en.wikipedia.org/wiki/Strahler_Stream_Order Stream... -
State Designated Trout Streams, Minnesota
This layer shows legally designated trout streams and trout stream tributaries as identified in Minnesota Rules Chapter 6264. See... -
Lakes with DNR Fisheries IBI Scores
This layer shows the Fish-based Index of Biological Integrity (IBI) Scores for MN lakes as calculated by DNR Fisheries. Scores range from 0-100, with higher scores indicating... -
Listed Infested Waters
These are water bodies (lakes, streams/rivers, wetlands) listed as infested with any of these aquatic invasive species:bighead carpBrazilian waterweed brittle naiadEurasian... -
Drinking Water Supply Management Area for Surface Water (DWSMA-SW) New Genera...
New generation of Drinking Water Supply Management Areas for surface water (DWSMA-SW) intakes. This is the endorsed surface and subsurface area surrounding a public water supply... -
Lakes with Aquatic Life Use Judgement (Based on Fish IBI)
This layer shows the aquatic life use judgements for MN lakes where fish index of biological integrity (IBI) monitoring has been completed. The judgement corresponding with the... -
Stream Routes - Major River Centerlines
This data layer represents stream centerlines for major rivers in Minnesota.Major River Centerlines are maintained as tabular data and displayed as linear events on the Stream... -
State Designated Trout Streams - PLS Sections, Minnesota
This data layer shows which Public Land Survey (PLS) Sections contain designated trout streams according to MN Rules Chapter 6264. See link... -
National Wetland Inventory for Minnesota – Historical (1980 – 1986)
Wetland area features mapped as part of the National Wetlands Inventory (NWI). The National Wetlands Inventory is a national program sponsored by the US Fish and Wildlife... -
Stressors to Impaired or Vulnerable Lakes (Based on Fish IBI)
This layer summarizes the stressors to impaired or vulnerable lakes, which are identified from fish-based index of biological integrity (IBI) scores and aquatic life use... -
Current Stream Water Units in Minnesota
A two-dimensional representation of all streams within the State of Minnesota, with associated attributes. This data set is built on the 24,000 National Hydrography Dataset.... -
Lakes of Phosphorus Sensitivity Significance
This layer was created to identify Lakes of Phosphorus Sensitivity Significance (LPSS) within Minnesota. Available lake data were analyzed to classify lakes based on sensitivity... -
Lake Benefit:Cost Assessment
This dataset was formulated to rank lakes as they relate to the state's priority of focusing on high-quality, high-value lakes that likely provide the greatest return on... -
MnModel Prehistoric Hydrographic Model, Minnesota
The Prehistorical Hydrographic Model (PREHYD) raster feature dataset was developed as a model of prehistoric surface hydrographic features in Minnesota. -
Designated Water Features - Wild, Scenic and Recreational Rivers
This layer contains designated Wild, Scenic & Recreational Rivers in Minnesota as specified in 1997 MN Rules 6105.Segments of rivers are coded as state-designated (Y),... -
MnModel Historical Hydrographic Model, Minnesota
The Historical Hydrographic Model (HISTHYD) raster feature dataset was developed as a model of surface hydrographic features at the time of the Public Land Survey in Minnesota.
