Officials: Substance that washed up on Lake St. Clair shore isn’t health hazard

Residents discover matter

Lake St. Clair

MACOMB COUNTY, Mich. – Officials with the Macomb County Health Department said a substance that washed up on the shore of Lake St. Clair is not a health hazard.

READ: Shoreline sludge along Lake St. Clair could cost $10k per house to clean up

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Samples were taken after the matter was discovered Tuesday by residents.

According to lab results and a visual analysis of the matter, it is decaying filamentous algae with E. coli.

The health department said the E. coli levels are low enough that they aren’t an “imminent public health hazard" and are not indicative of raw sewage.

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