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This layer displays a heat map for residential well samples compared to Michigan Part 201 Residential and Nonresidential Drinking Water Criteria. Original location data source is Kent County parcel points (center point of parcel boundaries), supplemented with GPS data. Well samples were collected from April 2017 through present. If more than one sample was collected from a residential well location, including influent whole house filter monitoring samples, the maximum results for each PFAS analyte across samples is maintained in this layer. Results are updated quarterly.
This data is used in the North Kent Disposal Area PFAS web map. The pop-up in that map displays:
The fields found in this dataset are:
| Field Name | Description |
| Address | Street Address |
| Sample_Count | Total count of samples collected at well, excluding whole house filter mid-point and effluent samples, if applicable |
| Type | Sample Type: Irrigation or Residential Well Sample |
| T_TotalPFAS | Highest Total PFAS result across samples in text format |
| T_PFOA | Highest PFOA result across samples in text format |
| T_PFOS | Highest PFOS result across samples in text format |
| T_PFNA | Highest PFNA result across samples in text format |
| T_PFHxS | Highest PFHxS result across samples in text format |
| T_PFHxA | Highest PFHxA result across samples in text format |
| T_PFBS | Highest PFBS result across samples in text format |
| T_HFPODA | Highest HFPO-DA result across samples in text format |
| AreaBoundary | Used to mark and query sample locations within North Kent Study Area |
| All7PFAS | Non-Detect (No Detections of PFNA, PFOA, PFHxA, PFOS, PFHxS, PFBS, or HFPO-DA), Detection, no exceed (One or more PFAS Analytes Detected Below Michigan Part 201 Drinking Water Criteria), or Exceeds (One or more PFAS Analytes Detected Above Michigan Part 201 Drinking Water Criteria) |
You can find more information about the North Kent Study Area by visiting the House Street Disposal Area webpage or the Rockford Tannery webpage on the Michigan PFAS Action Response Team (MPART) website. For questions about this content, reach out to Leah Gies, GiesL1@Michigan.gov.
This data was provided to the Michigan Department of Environment, Great Lakes, and Energy (EGLE) by the consulting firm AECOM.