After discussion that the investigation would be expanding, the Michigan Department of Environmental Quality has released a new map of the Southeast Expansion Area.

House Street Disposal Area map via the DEQ 10/18/2017

According to a statement from the MDEQ, "The wells will be tested for Per- and Polyfluoroalkyl substances (PFAS), sometimes called PFCs."

One of those chemicals is PFOS, which Wolverine used in its Scotchgard product.

In the same release, DEQ Geologist Mark Worrall is quoted as saying, “The expansion of the investigation was a result of further study of the geological formations of the area, analysis of the results to date and further understanding of the behavior of the PFAS.”

Plainfield Township municipal water is regularly monitored for, among other things, the PFAS levels. Wolverine will therefore only be sampling the water from private drinking water wells.

Results from both the current study area and the current buffer area are still pending, but will impact the extent of further investigations.

Residents within the Southeast Expansion Area would like to sign up for testing, please call GZA at 616-258-7234 or

More information on the House Street Disposal site investigation is available at or by calling the Environmental Assistance Center at 800-662-9278.

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