Mercury in Fish

someone holds up a big fish NHDES continues to monitor mercury levels in fish tissues. In 2018, NHDES published a report analyzing the mercury content in 26 freshwater fish species from over 200 New Hampshire waterbodies from 1992-2016. The report evaluates human health risks, trends over time, and geographic patterns of mercury in fish tissue. For more information, read the Mercury in Fish Tissue Full Report. NHDES also provides a summary of the report.

Members of the public are encouraged to donate legally harvested fish to NHDES' Fish Tissue Mercury Monitoring Program. For more information about how to donate, read the Volunteers Collecting Fish For Mercury Analysis guidance document.

More information about Mercury:

Mercury: Sources, Transport, Deposition and Impacts (NHDES fact sheet).
Mercury in the Environment (NHDES fact sheet).
EPA Guidelines for Eating Fish that Contain Mercury.
ToxFAQs^TM for Mercury (CDC guidance).