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Bangor Township Landfill (Bay City, Bay County)

EGLE Site Lead: Lori Babcock, BabcockL4@Michigan.gov or 989-460-7352. Content last updated: May 17, 2022.

Background

Bangor Township Landfill (Landfill), located at 2305 Two Mile Road, is a solid waste landfill that was closed under a Clean Michigan Fund Grant Agreement, signed on September 12, 1989. The base of the landfill is made of natural clay; there is no synthetic liner. The Landfill has groundwater monitoring wells and a leachate collection system that is not currently in use. EGLE requested that Bangor Township sample the groundwater monitoring wells for PFAS, due to the site’s history of groundwater contamination, which includes volatile organic compounds and metals. 

Groundwater flow is toward the northeast. Potentially impacted waterbodies include unnamed ponds adjacent to the landfill that discharge to the Tobico Marsh, located immediately to the northeast of Bangor Township Landfill. GeoWebFace and Wellogic do not show any drinking water wells in the area downgradient of this site.

Map of Bangor PFAS Sample Results

Recent Accomplishments

  • On March 1, 2022, EGLE received PFAS sampling results from Bangor Township from December 2021. The highest groundwater result was 80 ppt PFOA in MW-8 and the highest surface water result was 12 ppt PFOA in the West Pond.

Next Steps

  • EGLE anticipates continued monitoring of groundwater and surface water at this site.

Residential Well/Alternate Water

  • Municipal water is available to residences in this area.  Bangor Township and the Bay County Health Department confirmed that there are no residential drinking water wells in use downgradient of the landfill. 

Upcoming Community Engagement

  • None scheduled 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
June 2020 - December 2021 17 15
Surface Water December 2021 2 2

* Residential well and groundwater monitoring well results are compared to EGLE Part 201 criteria for 7 PFAS compounds effective 12/21/2020:  PFOS (16 parts per trillion [ppt]), PFOA (8 ppt), PFNA (6 ppt), PFHxS (51 ppt), PFHxA (400,000 ppt), PFBS (420 ppt), and HFPO-DA (370 ppt).
* Surface water samples are compared to Rule 57 non-drinking water values of 12 ppt for PFOS and 12,000 ppt for PFOA. 

Sampling Notes

  • None at this time.

Historical Timeline

  • In June 2020 and December 2020, Bangor Township sampled Bangor Township Landfill’s groundwater monitoring wells for PFAS.
  • On September 14, 2021, EGLE received the PFAS sampling results from Bangor Township. The highest result was 35 ppt PFOA in MW-1 and 62 ppt PFOS in MW-2.
  • EGLE worked with the Bay County Health Department to determine whether any drinking water wells are in use downgradient of Bangor Township Landfill and in need of sampling.