GRANDVILLE, Mich. (WOOD) — One of West Michigan’s most prized historic sites has been tainted by a sliver of 20th century science. The Michigan PFAS Action Response Team has confirmed PFAS contamination at the Grand River Indian Mounds.

Testing done by MPART and the Michigan Department of Environment, Great Lakes and Energy has found elevated levels of PFOS — perfluorooctane sulfonate — in fish harvested from a pond near the mounds.

The results were announced Tuesday as part of the findings at a new area of interest: the Chicago Drive and Lee Street AOI. MPART and EGLE have been evaluating several areas around the AOI since May 2023, when they received a grant from the U.S. Environmental Protection Agency to evaluate fish from waterbodies in “Environmental Justice” areas.

Test results i

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