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Irene Avenue Area of Interest (Grand Rapids, Kent County)
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A homeowner on Irene Avenue SE tested their drinking water well independently associated with the installation of a new well and results showed PFAS levels exceeded criteria for PFHxS. These results were shared with the local and state health departments and EGLE. MPART resampled this home in October 2023 to confirm the previous independent sampling results. Resampling results showed levels of PFHxS at 170 ppt (compared to the drinking water standard of 51 ppt). The Lacks Cascade MPART PFAS site is nearby, however, levels of PFHxS at that site are an order of magnitude lower than this result and therefore likely not the source of PFAS. Other sampling that has been done in the area either by EGLE or residents have had results of PFHxS much lower than this new well testing result.
Groundwater flow direction is estimated to be to the north or northeast toward Schoolhouse Creek which is located approximately 2,000 feet to the northeast and flows to the Thornapple River.
Content posted November 2023.
Most of the residents on Irene Avenue and nearby Linda Avenue are on private drinking water wells and additional well sampling is proposed. While municipal water is available to the majority of the remaining surrounding area, it is not believed that infrastructure for municipal water currently exists on Irene or Linda Avenues.
In order to determine the extent of PFAS in drinking water in the investigation area, additional residential well sampling will occur in late Fall 2023 or early Winter 2023-24.