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Source Water Assessment Areas
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... -
Bank Service Areas
Bank Service Areas (BSAs) are geographic regions based in part on watershed boundaries. These BSAs were established for use in two similar wetland regulatory programs in... -
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, Draft 2022
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... -
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.... -
Lake Hydrology Deliverables for Watershed Planning from Minnesota DNR
These data include standard deliverables for lake hydrologic assessment. The purpose is to promote sound natural resource management decisions by local water management planning... -
Watershed Health Assessment for Lakes Scores
These data include data to support evaluations of lake health across Minnesota. Healthy lakes are near to their natural state and are impacted by factors... -
Source Water Assessment Area - Surface Water
These areas were delineated in 2002 and 2003. The source water assessment area for community public water supply systems using surface water intakes includes three distinct... -
Gypsy Moth Treatments, Minnesota
Ranked among America's most destructive tree pests, gypsy moth has caused millions of dollars in damage to forests as it has spread from New England to Wisconsin in recent... -
MNDNR Forest Stand Inventory
This is the final export from the Forest Inventory Module (FIM) system, retired on 6/29/2022. This layer is a digital inventory of individual forest stands. The data is... -
Drinking Water Supply Management Area for Surface Water (DWSMA-SW) (2008-2009)
These areas were deliniated in 2008 and 2009. Drinking water supply management area for a surface water intake (DWSMA-SW) is the Minnesota Department of Health (MDH) endorsed... -
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... -
Forest Health Survey 2022, Minnesota
This dataset shows where largescale tree canopy damage was delineated in aerial surveys in 2022. Only forest disturbances were mapped if they were occurring at the time of the...
