PFAS sites are where one or more groundwater sample exceeds the Part 201 cleanup criteria for groundwater used as drinking water, which is 70 ppt PFOS + PFOA. New site summaries are routed through MPART so that all agencies are aware of the site and can contribute to the investigation as needed. Sites are added to the map after being vetted through MPART.
Site investigations get started for a variety of reasons. At some sites, like Superfund sites, EGLE staff have been overseeing environmental cleanup efforts for many years, and may add PFAS sampling to ongoing sampling if PFAS was known or suspected to have been used at the site. EGLE staff also conduct routine monitoring of rivers and lakes, and if a sample exceeds water quality standards, staff work upstream until they find the site contributing to the PFAS. Other sites were sampled due to historical information, such as Carl’s Retreading, which was where tires burned for many days and firefighting foam containing PFAS was used. EGLE is committed to continuing to do all of these types of sampling efforts.
In 2018, EGLE's Remediation and Redevelopment Division (RRD) established cleanup criteria for groundwater used as drinking water of 70 ppt of perfluorooctanesulfonic acid (PFOS) and perfluorooctanoic acid (PFOA), individually or combined. The RRD staff are responsible for implementing these criteria as part of their ongoing efforts to clean-up sites of environmental contamination.
This application contains a complex map. This map is best viewed in Google Chrome, Mozilla Firefox, or Apple Safari browsers.
Call 800-662-9278 for assistance with reading or interpreting. If you have questions or comments, please contact: Chelsea Dickerson at EGLE-Maps@.
In support of Executive Order 帝豪棋牌-42, MPART has temporarily suspended testing of private wells unless there is an extraordinary circumstance that warrants testing or another response.
Other site investigation activities may also be delayed or postponed as a result.
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