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      Surface Waters Assessed for ChlorideThe 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...
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      Subsurface Sewage Treatment System (SSTS) Licensed BusinessesSubsurface sewage treatment system (SSTS) work in Minnesota must be completed by licensed businesses under the supervision of certified individuals (with certain licensure...
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      MPCA Wastewater Program - Groundwater Monitoring SitesWastewater permits can have groundwater monitoring stations. Many of the groundwater monitoring requirements are part of Large Subsurfance Sewage System (LSTS) permits, but any...
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      Water Quality Stressors IdentifiedThis data was created as a result of the Minnesota Pollution Control Agency’s (MPCA) biological stressor identification process (SID). Biological stressors are determined after...
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      Surface Water Stations - MPCA Environmental Data AccessMinnesota Pollution Control Agency (MPCA) surface water monitoring station locations, including lake, stream, biological and discharge. Locations of United States Geological...
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      Current Stream Water Units in MinnesotaA 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....
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      Comprehensive Stream WIDsA 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...
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      River Nutrient StandardsThis dataset contains two data layers: River Nutrient Regions, Minnesota and River Nutrient Regions Standards WIDs, Minnesota. The River Nutrient Region dataset shows the river...
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      River TSS StandardsThis 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...
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      Impaired Waterbodies, Minnesota, 2024This 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...
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      Assessed Waters, Minnesota, 2024This 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...
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      Impaired Waterbodies, Minnesota, Proposed 2024This 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...
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      Assessed Waters, Minnesota, Proposed 2024This 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...
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      Impaired Waterbodies, Minnesota, Draft 2024This 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...
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      Impaired Waterbodies, Minnesota, Proposed 2020This 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...
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      Impaired Waterbodies, Minnesota, 2022This 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...
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      Impaired Waterbodies, Minnesota, 2014 (Final)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...
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      Impaired Waterbodies, Minnesota, Proposed 2022This 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...
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      Impaired Waterbodies, Minnesota, 2018This 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...
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      Impaired Waterbodies, Minnesota, Draft 2022This 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...
