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Drinking Water Supply Management Areas
These sets of data include the drinking water supply management area boundaries and the vulnerability levels within each management area in Minnesota. More information can be... -
Wellhead Protection Areas
Wellhead Protection Area (WHPA) is the Minnesota Department of Health (MDH) approved surface and subsurface area surrounding a public water supply well or well field that... -
Groundwater Restoration And Protection Strategies (GRAPS) layers used in the ...
These layers were created by MDH to provide a groundwater context for MNDNR's Watershed Health Assessment Framework (WHAF) tool. WHAF provides an organized approach for... -
Well Information from County Well Index for the General Public
The County Well Index (CWI) geodatabase was developed by the Minnesota Geological Survey (MGS) and is maintained in cooperation with the Minnesota Department of Health (MDH).... -
Groundwater Capture Area
The “capture zone” is the proposed capture area within the aquifer. When there isn't a surface water contribution, the groundwater capture area is identical to the wellhead... -
Nitrate Risk to the Water Table Aquifer
Nitrate-nitrogen (nitrate) risk ranking maps have been constructed for the water table aquifer beneath eleven southeastern Minnesota counties, the seven-county Twin City... -
Drinking Water Supply Management Area for Surface Water (DWSMA-SW) New Genera...
New generation of Drinking Water Supply Management Areas for surface water (DWSMA-SW) intakes. This is the endorsed surface and subsurface area surrounding a public water supply... -
Special Well and Boring Construction Areas (SWBCA)
Description: The improper location, construction or sealing of a well or boring in an area of groundwater contamination may allow contaminants to spread to otherwise protected... -
CDC\ATSDR Social Vulnerability Index 2020 - Minnesota
The CDC\ATSDR Social Vulnerability Index (SVI) is a tool, created by the Geospatial Research, Analysis and Services Program (GRASP), to help public health officials and... -
Hydrogeologic Sensitivity of the Water Table Aquifer
Minnesota Department of Health (MDH) Source Water Protection initially developed county-scale nitrate risk maps in 2007 for nine southeastern Minnesota counties to assist with... -
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... -
Noncommunity Public Water System Districts and Field Staff
Minnesota County boundaries were used to create district boundaries for Noncommunity Public Water System field staff -
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... -
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... -
Community Water Systems
Minnesota has community water systems (CWS) that serve approximately 80% of Minnesota residents. Water from these systems can come from groundwater (water found in underground... -
Source Water Protection
The Minnesota Department of Health (MDH) is the state authority for drinking water. Several programs at MDH work together to ensure safe and adequate drinking water. One of the... -
Arsenic in Private Wells
Long-term exposure to arsenic, even at low levels, is associated with adverse health effects, including cancer of the bladder, lungs, skin, kidney, nasal passages, liver, and... -
Source Water Assessment
Source Water Assessments include a variety of information about the water sources used by a public water system including: Who to contact about the drinking water, Where the... -
Minnesota Injury Data Access System (MIDAS)
The Minnesota Injury Data Access System was created to support the Minnesota Department of Health’s mission of preventing injuries in the state. It provides an easy way for... -
Minnesota Well Index (MWI)
The Minnesota Well Index (MWI) provides information about wells and borings in Minnesota. The MWI provides basic information, such as location, depth, geology, construction and...
