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...

Subsurface sewage treatment system (SSTS) work in Minnesota must be completed by licensed businesses under the supervision of certified individuals (with certain licensure...

Wastewater permits can have groundwater monitoring stations. Many of the groundwater monitoring requirements are part of Large Subsurfance Sewage System (LSTS) permits, but any...

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...

Minnesota Pollution Control Agency (MPCA) surface water monitoring station locations, including lake, stream, biological and discharge. Locations of United States Geological...

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...

This dataset contains two data layers: River Nutrient Regions, Minnesota and River Nutrient Regions Standards WIDs, Minnesota. The River Nutrient Region dataset shows the river...

This dataset contains two data layers: River Total Suspended Solid (TSS) Standards WIDS and TSS Regions. The TSS Regions dataset contain Water quality standards for TSS are...

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....

This is a set of the impaired waterbodies as determined by MPCA's surface water quality assessment process, approved by the US Environmental Protection Agency (EPA) on...

This is the set of the waterbodies assessed by MPCA's surface water quality assessment process for the 2024 303(d)/305(b) integrated report to EPA.Please consult the metadata of...

This is a set of the impaired waterbodies as determined by MPCA's surface water quality assessment process for the 2024 reporting cycle to US Environmental Protection Agency...

This is a draft set of the waterbodies assessed by MPCA's surface water quality assessment process for the 2024 303(d)/305(b) integrated report to EPA. Please consult the...

This is a set of the impaired waterbodies as determined by MPCA's surface water quality assessment process for the 2024 reporting cycle to US Environmental Protection Agency...

This is a set of the impaired waterbodies as determined by MPCA's surface water quality assessment process for the 2020 reporting cycle to US Environmental Protection Agency...

This is a set of the impaired waterbodies as determined by MPCA's surface water quality assessment process for the 2022 reporting cycle to US Environmental Protection Agency...

This is a set of the impaired waterbodies as determined by MPCA's surface water quality assessment process finalized under the 2014 reporting cycle to US Environmental...

This is a set of the impaired waterbodies as determined by MPCA's surface water quality assessment process for the 2022 reporting cycle to US Environmental Protection Agency...

This is a set of the impaired waterbodies as determined by MPCA's surface water quality assessment process for the 2018 reporting cycle to US Environmental Protection Agency...