The Federal Emergency Managment Agency and the MNDNR produce Digital Flood Insurance Rate Maps (DFIRM) for selected counties in the state. These maps are often referred to as...

These sets of data include the drinking water supply management area boundaries and the vulnerability levels within each management area in Minnesota. More information can be...

Wellhead Protection Area (WHPA) is the Minnesota Department of Health (MDH) approved surface and subsurface area surrounding a public water supply well or well field that...

These are provisional representations of Public Waters Basins (lakes, wetlands) and Watercourses (streams, altered channels) as depicted on the scanned paper regulatory maps and...

The County Well Index (CWI) geodatabase was developed by the Minnesota Geological Survey (MGS) and is maintained in cooperation with the Minnesota Department of Health (MDH)....

15-Foot Standard: Polygons showing the DNR Fisheries calculated littoral zone based on a standard 15-foot depth contour. For this standard, all lake areas 0-15 feet in depth are...

This file geodatabase includes the following individual layers:Lake Bathymetric Contours: Contours lines corresponding to lake bathymetry, digitized from existing lake contour...

Lake Basin MorphologyLake polygons with an attribute table of morphometric indices which describe the physical form and structure (morphology) of a lake.Lake Basin Fetch and...

The Prehistorical Hydrographic Model (PREHYD) raster feature dataset was developed as a model of prehistoric surface hydrographic features in Minnesota.

The Prehistorical Hydrographic Model (PREHYD) raster feature dataset was developed as a model of prehistoric surface hydrographic features in Minnesota.

The DNR Hydrography Dataset is the centralized SDE data storage for master versions of DNR hydrographic spatial features (effective 2012). It includes the authoritative...

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...

This is a feature class of measured stream routes and is a core feature class within the DNR Hydrography Dataset.A "route" is an ESRI linear feature type created through a...

A two-dimensional representation of stream linework within the State of Minnesota, with associated attributes. This dataset contains both current and past Water Unit IDs. This...

This geodatabase contains authoritative GIS data for MNDNR Parks and Trails-administered public water access sites. It also contains information about free public water access...

Inventory of springs in Minnesota. These data are collected and compiled by the Minnesota DNR as a tool to help create awareness of and appreciation for this resource so spring...

To create this raster layer of Minnesota DNR’s original county Public Waters Inventory (PWI) maps, the maps were scanned, their collars removed, and then georectified and...

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...

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...

This data layer shows which Public Land Survey (PLS) Sections contain designated trout streams according to MN Rules Chapter 6264. See link...