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Kunnens Landfill (Fremont, Newaygo County)

EGLE Site Lead: Kent Walters, WaltersK7@Michigan.gov or 616-278-4350. Webpage last updated September 27, 2021.

Background

Kunnen's Landfill, located at 3897 Ramshorn Drive, was a landfill that accepted general municipal solid waste and operated from the mid-1950's through the mid-1980's.  The oldest and largest portion of the landfill is unlined and is located on the western-most part of the property.  Two smaller areas east of the unlined area were constructed with a landfill liner and installed with a leachate collection system.  Historical groundwater contamination was detected in the early 1980's, which prompted a series of groundwater investigations to delineate groundwater contamination.  Due to continued improper landfill management, the landfill was issued a cease-and-desist order.  The landfill was never properly closed, and the operator went out of business.  EGLE has monitored groundwater quality since the landfill was closed.  Because of historical groundwater contamination and evidence that landfills are a source of PFAS, EGLE determined it necessary to sample the groundwater for PFAS. 

Groundwater on the site flows to the southeast towards a wetland that is connected to Second Lake.  Groundwater also exists in a perched aquifer which flows to the west/southwest towards a small unnamed seasonal stream, where water is likely to be most prevalent in the springtime or during times of increased precipitation.  Residential drinking water wells exist downgradient and side gradient of the landfill.  The city of Fremont's public water supply wells also exist further downgradient of the site, was sampled for PFAS on August 1, 2018; no detections were found.   

Recent Accomplishments

  • On December 16, 2021, EGLE sampled three groundwater monitoring wells and 2 surface water locations to help further define PFAS in groundwater. 
  • On January 5, 2022, EGLE received results from the December 16, 2021, sampling event.  One of three groundwater samples exceeded drinking water criteria and no surface water sampled exceeded any surface water quality standards. For groundwater, the highest exceedance of PFOA was 21 ppt collected at K-3S.  

Next Steps

  • EGLE will collect additional groundwater samples from monitoring wells and nearby lakes and streams.
  • EGLE will work with MDHHS and the local health department on a residential well sampling plan.

Residential Well/Alternate Water

  • EGLE will collect additional groundwater samples from monitoring wells and nearby lakes and streams. 

Upcoming Community Engagement

  • None at this time.

Sampling Results Summary

Type of Sample

Date Sampled (or Range)

Number of Sample Results Received

Number of Samples above Criteria*

Groundwater Monitoring Wells

July 12 - 15, 2021 8 3
Surface Water December 16 - 17, 2021 2 0
* Groundwater monitoring well results are compared to EGLE Part 201 criteria for 7 PFAS compounds effective 12/21/2020:  PFOS (16 ppt), PFOA (8 ppt), PFNA (6 ppt), PFHxS (51 ppt), PFHxA (400,000 ppt), PFBS (420 ppt), and HFPO-DA (370 ppt).

Sampling Notes

  • None at this time
 

Historical Timeline

    • On July 12-15, 2021, EGLE and their contractor collected groundwater samples from eight groundwater monitoring wells.
    • On August 9, 2021, EGLE received PFAS results from the eight groundwater wells that were sampled. Three samples exceeded groundwater clean-up criteria for PFOA and PFOS.  The highest detections were: PFOA at 94 ppt collected from monitoring well OW-7; and PFOS at 19 ppt collected from monitoring well K-9S.