Grayling Army Airfield (GAAF), Crawford County


This content has been consolidated on the main Camp Grayling webpage. It may be out of date. please visit for the latest updates.

PFC Detection in Monitoring Wells

As of the week of December 18, 2017:

422 private wells have been tested for PFOA/PFOS
302 results are in
Fourteen (14) are over 70 parts per trillion (PPT)
Concentrations range between Non-Detect and 694.2 PPT

The Camp Grayling environmental staff regularly monitor a number of environmental factors at the camp and airfield to ensure safety, compliance with state and federal regulations, and to proactively detect and remedy potential problems. The most recent proactive measure was to test water samples for PFAS. A few of the samples detected PFOS-PFOA at levels above EPA drinking water guidance. The Michigan Department of Military and Veterans Affairs, along with state and local environmental experts and officials, want to share PFAS investigation status in the area and information about this family of chemicals in general with members of the Grayling community and any other concerned citizens.

  • The DEQ learned about the Grayling area PFAS site in May 2017 when the DMVA notified the DEQ that groundwater samples on the Grayling Army Airfield tested positive for PFOA/PFOS.
  • The area is just outside the northern boundary of Grayling and is surrounded by residential and commercial properties.
  • The DMVA sampled 190 residential drinking water wells.
  • The DEQ has tested 386 wells since August 2017. Eight results have been over 70 ppt.
  • Sampling has expanded to east of the site.
  • Timberly Village Mobile Home Community was sampled in June 2017, and low levels of PFAS were detected.
  • Follow‑up samples were collected in August, and two wells reported low levels of these compounds.
  • Notification to the approximately 60 residents in 25 mobile homes was provided by the owner.
  • Filters are being provided to approximately 90 homes in the area, and ongoing discussions are needed to determine if filters should be provided to additional homes until a long-term solution is identified.

For assistance, please email the Environmental Assistance Center or call 800-662-9278.

If you live in the designated area for free water testing, please fill out and send this email form.

Residents please note:

Many residents have inquired about which whole house filters are certified to remove PFOS/PFOA. At this time, the DEQ is not aware of any whole house filters currently on the market that are certified to remove PFOS/PFOA by the NSF International.

PFCs at Camp Grayling/Grayling Army Airfield

PFCs in Locally Caught Fish

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