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  • 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...

  • 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 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 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...