The MPCA monitors the quality of our groundwater and protects it from contamination.
Use the searches below to find monitoring results from the MPCA's ambient groundwater monitoring and landfill monitoring programs.
- Groundwater data: Text-based search. Find a particular groundwater monitoring station (well) by entering its identification number, or retrieve a list of stations that satisfy other search criteria. View or download monitoring data from any station. Obtain well descriptions through a link to the Minnesota Department of Health's County Well Index database.
- Groundwater data: Map-based search. Use an interactive map to find a particular monitoring station, then view or download its data.
Recent reports on chemicals in groundwater
- The Conditions of Minnesota’s Groundwater Quality, 2013-2017 (wq-am1-10)
- Perfluorinated Chemicals in Minnesota's Ambient Groundwater, 2013 (wq-am4-02)
This special report on groundwater was a significant effort to inform Minnesotans about the demands on our groundwater resources and the limitations those resources face. (2013)