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