News ReleaseMarch 24, 2026Contact informationNew fish consumption guidelines aim to limit exposure to mercury and PFASAnalysis of fish tissue, previously outsourced to Canada, now takes place at Minnesota’s own Public Health LabAfter analyzing data showing the presence of mercury and per- and polyfluoroalkyl substances (PFAS) in the tissue of some fish from certain Minnesota waterbodies, the Minnesota Department of Health (MDH) has updated its fish consumption guidelines.The updates include new length-based guidelines for walleye and northern pike, more protective guidelines for Northeast Minn

News ReleaseMarch 12, 2026Contact informationBe "well" informed about your drinking waterGroundwater Awareness Week highlights importance of annual water well testingDrinking contaminated water can, over time, result in serious illness or even death. That’s why during National Groundwater Awareness Week, March 8-14, the Minnesota Department of Health (MDH) is reminding private well owners that regular testing is recommended to ensure the safety of drinking water.“Testing your drinking water is the only way to know how safe it is,” said MDH Water Policy Manager Tannie Eshenaur.