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FEMA Digital Flood Rate Insurance Maps (DFIRM), Minnesota
The Federal Emergency Managment Agency and the MNDNR produce Digital Flood Insurance Rate Maps (DFIRM) for selected counties in the state. These maps are often referred to as... -
Public Waters (PW) Basin and Watercourse Delineations
These are provisional representations of Public Waters Basins (lakes, wetlands) and Watercourses (streams, altered channels) as depicted on the scanned paper regulatory maps and... -
Comprehensive Stream WIDs
A two-dimensional representation of stream linework within the State of Minnesota, with associated attributes. This dataset contains both current and past Water Unit IDs. This... -
Statewide Altered Watercourse Project
The Altered Watercourse Project was a joint effort between the Minnesota Pollution Control Agency (MPCA) and Minnesota Geospatial Information Office (MnGeo) to create a... -
DNR Hydrography Dataset
The DNR Hydrography Dataset is the centralized SDE data storage for master versions of DNR hydrographic spatial features (effective 2012). It includes the authoritative... -
Assessed Waters, Minnesota, Draft 2026
This is a draft set of the waterbodies assessed by MPCA's surface water quality assessment process for the 2026 303(d)/305(b) integrated report to EPA. MPCA Impaired Waters Web... -
Impaired Waterbodies, Minnesota, 2022
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... -
Assessed Waters, Minnesota, 2016
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... -
Assessed Waters, Minnesota, 2014 (Final)
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... -
Assessed Waters, Minnesota, 2018
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... -
Assessed Waters, Minnesota, 2022
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... -
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 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. MPCA Impaired Waters Web... -
Impaired Waterbodies, Minnesota, 2014 (Final)
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... -
Impaired Waterbodies, Minnesota, Proposed 2022
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... -
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... -
Impaired Waterbodies, Minnesota, 2018
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... -
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... -
Impaired Waterbodies, Minnesota, Draft 2022
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... -
National Hydrography Dataset (NHD) - Minnesota
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...
