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...

This layer is based on the Environmental Benefits Index (EBI) data layer developed by the Minnesota Board of Water and Soil Resources (BWSR) and the University of Minnesota....

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...

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...

These are the Outstanding Resource Value Waters (ORVW) as specified by MPCA rules Minn.R. 7050.0335 and as specifically listed in Minn.R. 7050.0470 effective March 17, 2008....

Minnesota Pollution Control Agency Volunteer Water Monitors measure the clarity of lakes and streams, collecting valuable data that is used to make decisions on watershed...

The Altered Watercourse Project was a joint effort between the Minnesota Pollution Control Agency (MPCA) and Minnesota Geospatial Information Office (MnGeo) to create a...

The St. Louis River is the second-largest tributary to Lake Superior. The lower estuary culminates in the Duluth-Superior Harbor, which is the largest freshwater seaport in...

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...

This dataset represents the locations, classifications, and physical characteristics of solid waste sites regulated by the Minnesota Pollution Control Agency. The locations...

Estimated mean annual potential groundwater recharge rates in Minnesota from 1996-2010 based on the Soil-Water-Balance (SWB) model.

These are the wetlands assessed by MPCA in 2011 for the 2012 303(d)/305(b) integrated report to EPA. The wetlands are a subset and enhancement of the 1:24,000 scale National...

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...