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)....

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 Area (WHPA) is the Minnesota Department of Health (MDH) approved surface and subsurface area surrounding a public water supply well or well field that...

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...

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...

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...

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...