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...

The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's surface...

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...

This is a proposed set of the waterbodies assessed by MPCA's surface water quality assessment process for the 2016 303(d)/305(b) integrated report to EPA. The waterbodies...

This is a set of the waterbodies assessed by MPCA's surface water quality assessment process for the 2014 303(d)/305(b) integrated report to EPA. Please consult the metadata of...

This is a proposed set of the waterbodies assessed by MPCA's surface water quality assessment process for the 2018 303(d)/305(b) integrated report to EPA. EPA approved the data...

This is a set of the waterbodies assessed by MPCA's surface water quality assessment process for the 2022 303(d)/305(b) integrated report to EPA. Please consult the metadata of...

This is a draft set of the waterbodies assessed by MPCA's surface water quality assessment process for the 2022 303(d)/305(b) integrated report to EPA. Please consult the...

This is a set of the waterbodies assessed by MPCA's surface water quality assessment process for the 2020 303(d)/305(b) integrated report to EPA. Please consult the metadata of...

This is a proposed set of the waterbodies assessed by MPCA's surface water quality assessment process for the 2022 303(d)/305(b) integrated report to EPA. Please consult the...

This is a proposed set of the waterbodies assessed by MPCA's surface water quality assessment process for the 2020 303(d)/305(b) integrated report to EPA. Please consult the...

The MNDNR Watershed Suite is a collection of watershed delineations at various levels, flow network lines, and pour points. This is the newest version updated in 2023. Follow...

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...

The legacy version of the MN DNR Watershed Suite is from 2010-2023. Updates to the MN DNR Watershed Suite Dataset will occur on October 31st, 2023 and can be accessed at...

This layer depicts open water features for lakes and rivers. The geography was initially created from the open water features depicted in the 2005 Generalized Land Use dataset...

The Metropolitan Council Priority Waters List Dataset is a compendium of 3 datasets that depict waterbodies scored for inclusion on Met Council's Priority Waters List. Datasets...

The Hennepin GIS Hub is a public portal into the county map gallery, open data site and other useful resources.