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Assessed Waters, Minnesota, 2020
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... -
Assessed Waters, Minnesota, Proposed 2022
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... -
Assessed Waters, Minnesota, Proposed 2020
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... -
Assessed Waters, Minnesota, Draft 2024
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... -
Outstanding Resource Value Waters
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.... -
MPCA Volunteer Water Monitoring Stations
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... -
St. Louis River Area of Concern Sediment Assessment Areas
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... -
MPCA Impaired Waters Viewer
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... -
2012 Assessed Wetlands
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... -
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 Wetlands 2010
This is a set of the impaired wetlands as determined by MPCA in 2009 for the 2010 reporting cycling to US EPA.The lakes 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 2010
This is a set of the impaired lakes as determined by MPCA in 2009 for the 2010 reporting cycling to US EPA. The lakes are a subset and enhancement of the 1:24,000 scale National... -
2012 Assessed Streams
These are the streams assessed by MPCA in 2011 for the 2012 303(d)/305(b) integrated report to EPA. The streams are a subset and enhancement of the 1:24,000 scale National... -
Assessed Lakes 2012
These are the lakes assessed by MPCA in 2011 for the 2012 303(d)/305(b) integrated report to EPA. The lakes are a subset and enhancement of the 1:24,000 scale National... -
Impaired Streams 2010
This is a set of the impaired streams as determined by MPCA in 2009 for the 2010 reporting cycling to US EPA.The streams are a subset and enhancement of the 1:24,000 scale... -
2010 Lake Assessments
These are the lakes assessed by MPCA in 2009 for the 2010 reporting cycling to EPA. The lakes are a subset and enhancement of the 1:24,000 scale National Hydrography Dataset... -
2010 Stream Assessments
These are the streams assessed by MPCA in 2009 for the 2010 reporting cycling to EPA. The streams are a subset and enhancement of the 1:24,000 scale National Hydrography Dataset... -
2010 Wetland Assessments
These are the wetlands assessed by MPCA in 2009 for the 2010 reporting cycling to EPA. -
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...
