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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... -
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... -
TMDL Allocation Areas
The Minnesota Pollution Control Agency (MPCA) has developed a statewide TMDL (Total Maximum Daily Load) Database to standardize and maintain spatial data related to TMDL... -
Impaired Waterbodies, Minnesota, Draft 2024
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... -
Impaired Waterbodies, Minnesota, Proposed 2020
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... -
Impaired Waterbodies, Minnesota, 2022
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... -
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... -
Impaired Waterbodies, Minnesota, Proposed 2022
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... -
Impaired Waterbodies, Minnesota, 2018
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... -
Impaired Waterbodies, Minnesota, Draft 2022
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... -
Impaired Waterbodies, Minnesota, 2020
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... -
MPCA Impaired Waters Viewer
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... -
Impaired Wetlands 2012
This is a set of the impaired wetlands as determined by MPCA in 2011 for the 2012 reporting cycling to US EPA. The wetlands are a subset and enhancement of the 1:24,000 scale... -
Impaired Wetlands 2010
This is a set of the impaired wetlands as determined by MPCA in 2009 for the 2010 reporting cycling to US EPA.The lakes are a subset and enhancement of the 1:24,000 scale... -
Impaired Streams 2012
This is the set of impaired streams as determined by MPCA in 2011 for the 2012 reporting cycle to US EPA. The streams are a subset and enhancement of the 1:24,000 scale National... -
Impaired Lakes 2010
This is a set of the impaired lakes as determined by MPCA in 2009 for the 2010 reporting cycling to US EPA. The lakes are a subset and enhancement of the 1:24,000 scale National... -
Impaired Streams 2010
This is a set of the impaired streams as determined by MPCA in 2009 for the 2010 reporting cycling to US EPA.The streams are a subset and enhancement of the 1:24,000 scale... -
Impaired Lakes 2012
This dataset represents impaired lakes as determined by MPCA in 2011 for the 2012 reporting cycle to US EPA.The lakes are a subset and enhancement of the 1:24,000 scale National...
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