Chemical-Laced Fish: Md. Issues Unprecedented Advisory for Creek

Chesapeake Bay Magazine
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It’s a first in Maryland: the state’s Department of the Environment is warning people not to eat fish from a Potomac River tributary—because the levels of “forever chemicals”, or PFAs, are so high.

Fish in Piscataway Creek, in the Fort Washington, Prince George’s County section of the Potomac, were sampled and tested for PFAs (per- and polyfluoroalkyl substances). Based on what they found, Maryland Department of the Environment (MDE) recommend limiting consumption of redbreast sunfish and yellow bullhead catfish in the non-tidal part of Piscataway Creek and largemouth bass in the creek’s tidal headwaters. The map and table below show how frequently different groups should consume these fish:

MDE began testing for PFAs in its fish tissue-sampling program in fall 2020, and this is the first time it has issued new guidelines based on elevated concentrations it found. Sampling done last year in the Chester, Choptank, Corsica, Elk and Wicomico rivers and Isle of Wight and…

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