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

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....

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...

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

Under the federal Clean Water Act, states are required to monitor and assess their waters to determine if they meet water quality standards and thereby support the beneficial...

Minnesota Pollution Control Agency Volunteer Water Monitors measure the clarity of lakes and streams, collecting valuable data that is used to make decisions on watershed...

The MPCA Surface Water API provides public access to data about surface water bodies, assessments and impairments of surface water, monitoring stations, and analytical results...

The Daily Erosion Project (DEP) uses GIS to estimate soil erosion, water runoff, and soil moisture in Iowa and surrounding states, including most of Minnesota. The DEP manages a...

The Prioritize Target Measure Application (PTMApp) is a geospatial watershed model that uses land use data, lidar derived hydro conditioned elevation models, soils, and travel...

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...

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...

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...

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

HISTHYD is a model of surface hydrographic features at the time of the Public Land Survey in Minnesota.

The MNDNR Watershed Suite is a collection of watershed delineations at various levels, flow network lines, and pour points. This is the newest version updated in 2023. Follow...

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...

This layer represents 24 Sentinel Lakes that are being used for long-term monitoring under the Sustaining Lakes in a Changing Environment (SLICE) Program. Beginning in 2013...

These are water bodies (lakes, streams/rivers, wetlands) listed as infested with any of these aquatic invasive species:bighead carpBrazilian waterweed brittle naiadEurasian...

This dataset estimates the water-table elevation from three primary sources: depth to water table in saturated soils from Natural Resources Conservation Service data (which are...

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...