Wellhead Protection Area (WHPA) is the Minnesota Department of Health (MDH) approved surface and subsurface area surrounding a public water supply well or well field that...

The County Well Index (CWI) geodatabase was developed by the Minnesota Geological Survey (MGS) and is maintained in cooperation with the Minnesota Department of Health (MDH)....

Inventory of springs in Minnesota. These data are collected and compiled by the Minnesota DNR as a tool to help create awareness of and appreciation for this resource so spring...

To create this raster layer of Minnesota DNR’s original county Public Waters Inventory (PWI) maps, the maps were scanned, their collars removed, and then georectified and...

This Vulnerable Groundwater Areas Feature Class illustrates quarter sections that meet at least one of 3 conditions across the state. The first condition includes soil mapping...

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 dataset provides a rating of Minnesota water table aquifer vulnerability. The data, methodology and ratings are based on similar work done previously by Porcher [Porcher,...

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...

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 draft set of the impaired waterbodies as determined by MPCA's surface water quality assessment process in 2014 and 2015 for the 2016 reporting cycling to US...

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...

Source water assessment area (SWAA) is the Minnesota Department of Health (MDH) interim surface and subsurface area surrounding a public water supply well that completely...