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,...

This dataset consists of a unified geospatial database that delineates total maximum daily load (TMDL) modeled waste load allocation (WLA) drainage basin boundaries intersecting...

In general terms, MS4s are publicly owned or operated stormwater infrastructure, used solely for stormwater, and which are not part of a publicly owned wastewater treatment...