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...

Nitrate-nitrogen (nitrate) risk ranking maps have been constructed for the water table aquifer beneath eleven southeastern Minnesota counties, the seven-county Twin City...

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...

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...

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...

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 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...

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...

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...

The MN Public Health Data Access portal, maintained by the Minnesota Department of Health (MDH), provides data on over 20 health and environment topics. Data are accessible...