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MPCA Volunteer Water Monitoring Stations
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... -
National Hydrography Dataset (NHD) - Minnesota
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface... -
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.... -
What's In My Neighborhood Sites
The MPCA's What's in My Neighborhood contains a wide variety of environmental information about your community. This includes potentially contaminated sites, permits, licenses,... -
Subsurface Sewage Treatment System (SSTS) Licensed Businesses
Subsurface sewage treatment system (SSTS) work in Minnesota must be completed by licensed businesses under the supervision of certified individuals (with certain licensure... -
Water Quality Stressors Identified
This data was created as a result of the Minnesota Pollution Control Agency’s (MPCA) biological stressor identification process (SID). Biological stressors are determined after... -
Total Maximum Daily Load (TMDL) and Watershed Restoration and Protection Stra...
A polygon feature class used to map the spatial extent of Total Maximum Daily Load (TMDL) projects and Watershed Restoration and Protection Strategy (WRAPS) areas in Minnesota.... -
MPCA Surface Water API
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... -
TMDL Wasteload Allocation Areas for MS4s
This dataset consists of a unified geospatial database that delineates total maximum daily load (TMDL) modeled waste load allocation (WLA) drainage basin boundaries intersecting... -
St. Louis River Area of Concern Sediment Assessment Areas
The St. Louis River is the second-largest tributary to Lake Superior. The lower estuary culminates in the Duluth-Superior Harbor, which is the largest freshwater seaport in... -
Surface Waters Assessed for Chloride
The MPCA and its partners systematically evaluate waters in each major watershed in Minnesota every 10 years. This process begins with comprehensive lake and stream water...
