Chemours-Montague Facility Corrective Action Information

The Chemours Montague Facility is located in Montague, MI in Muskegon County.

Refer to EGLE's Waste Data System Web Inquiry Site to view the facility's inspection history and other publicly available information about the facility. The facility's site identification number is MID 000 809 640.

Documents

The following table contains sampling results, reports, and other documents associated with the Chemours-Montague Facility site.

Use the interactive table below to find documents based on keyword, or click the column headings to sort alphabetically or by date.

Updated: Newly added items are indicated with yellow highlight - sort by 'Date Item Posted' to see the latest postings first. Note that documents posted prior to February 2023 do not have a date item posted.

Year	Type	Name	Date Item Posted
2026	Report	2026 Semi-Annual Ground Water Monitoring Report - 1st Half	2026-07-07
2026	Report	Chemours' Response to Corrective Measures Study Report Review - June 18, 2026	2026-07-06
2026	Report	Review of Corrective Measures Study Report	2026-05-06
2026	Report	April 23, 2026 Progress Report	2026-05-01
2026	Report	January 15, 2026 Progress Report	2026-01-21
2025	Report	Supplemental VIAP Investigation Report – Revised Part 1 Supplemental VIAP Investigation Report – Revised Part 2 Supplemental VIAP Investigation Report – Revised Part 3 Supplemental VIAP Investigation Report – Revised Part 4 Supplemental VIAP Investigation Report – Revised Part 5 Supplemental VIAP Investigation Report – Revised Part 6	2025-11-13
2025	Report	2025 Semi-Annual Ground Water Monitoring Report - 2nd Half	2025-10-24
2025	Report	October 15, 2025 Progress Report	2025-10-16
2025	Report	2025 CMS Report Report Tables Figures (too large to post, available upon request), Appendix A - Relevant Information: Bury Pit Landfill Appendix B - Relevant Information: Copper Catalyst Release Area (too large to post available upon request) Appendix C - Cost Estimates	2025-10-08
2025	Report	2024 Annual Groundwater Monitoring Report - August 16. 2025 Report Text - Part 1 Report Text - Part 2 Appendix Appendix A - Field Notes/Purge Data (too large to post, available upon request) Appendix B - Analytical Laboratory Reports (too large to post, available upon request) Appendix C - Historical Data Tables Appendix D - Graphs	2025-08-16
2025	Report	July 15, 2025 Progress Report	2025-07-22
2025	Report	2025 Semi-Annual Ground Water Monitoring Report - 1st Half	2025-06-30
2025	Report	April 15, 2025 Progress Report	2025-04-21
2024	Report	2024 Semi-annual Groundwater Monitoring Report - 1st half part 1 2024 Semi-annual Groundwater Monitoring Report - 1st half part 2 2024 Semi-annual Groundwater Monitoring Report - 2nd half	2025-03-26
2023	Report	2023 Annual Groundwater Monitoring Report - part 1 2023 Annual Groundwater Monitoring Report - part 2 2023 Annual Groundwater Monitoring Report - part 3	2025-03-26
2023	Report	2023 Semi-Annual Ground Water Monitoring Report - 1st Half 2023 Semi-Annual Ground Water Monitoring Report - 2nd Half	2025-03-18
2018	Report	2018 Semi-Annual Ground Water Monitoring Report - 1st Half 2018 Semi-Annual Ground Water Monitoring Report - 2nd Half	2025-03-18
2025	Report	January 15, 2025 Progress Report	2025-01-15
2024	Corrective Action Documents	October 2024 Public Communications Plan	N/A
2024	Report	October 15, 2024 Progress Report	2024-10-22
2024	Report	2024 Semi-Annual Ground Water Monitoring Reports - 1st Half (Appendices not included due to size considerations)	2024-09-23
2024	Corrective Action Documents	July 9, 2024 Corrective Action Consent Order	2024-07-16
2024	Public Meeting	January 25, 2024, Corrective Action Update Public Meeting	2024-01-25
2022	Report	2022 Semi-Annual Ground Water Monitoring Reports - 1st Half 2022 Semi-Annual Ground Water Monitoring Reports - 2nd Half	N/A
2022	Corrective Action Documents	Mirror Lake and Sadony Bayou Habitat, Wildlife, and Macroinvertebrate Survey - January 10 2022 Appendix Trace Analytical	N/A
2021	Corrective Action Documents	Volatilization to Indoor Air Pathway (VIAP) Investigation - October 2021 VIAP Investigation Plan text VIAP Tables VIAP Figures VIAP: Appendix A - Historical Site Maps of Process Area Appendix B - Figures and Cross Sections from Historical Groundwater Reports (too large to post, available upon email request) VIAP: Appendix C - EGLE Response to Site-Specific Volatilization to Indoor Air Criteria Request VIAP: Appendices D, E, and F - Screening of Groundwater VOC Results Against Residential Criteria, Screening of Groundwater Mercury Results Against Residential Criteria, and Standard Operating Procedures and Example Forms	N/A
2021	Corrective Action Documents	Facility Corrective Action Status Table - January 2021	N/A
2019	Corrective Action Documents	CMS Work Plan Approval - November 2019	N/A
2019	Data	Thiocyanate Sampling Results, Chemours - July 2019	N/A
2018	Corrective Action Documents	Corrective Measures Study Work Plan - October 2018	N/A
2018	Data	PFAS Sampling Results, Chemours - October 2018	N/A
2018	Data	PFAS Sampling Results, DEQ - September 2018
2018	Community Communications	Community Communications: EGLE Public Update - December 4, 2018 Community Update by Chemours - July 9, 2018 White Lake Environmental Network Update by EGLE - November 12, 2015	N/A
2018	Corrective Action Documents	Groundwater Sampling for PFAS Work Plan and Groundwater Sampling for PFAS Approval - August 2018	N/A
2018	Corrective Action Documents	Site Status Discussion PowerPoint - May 16, 2018	N/A
2017	Corrective Action Documents	Pierson Creek Landfill Scope of Work Well Cluster PCL-007 - June 23, 2017	N/A
2017	Corrective Action Documents	Proposed Modification of Facility Groundwater Sampling and Analysis Plan - April 24, 2015 Proposed Modification of Facility Groundwater Sampling and Analysis Approval - May 15, 2017	N/A
2015	Corrective Action Documents	Remedial Action Team Map for Pierson Creek Landfill - October 28, 2015	N/A
2015	Corrective Action Documents	CA750 Environmental Indicator Form, Migration of Contaminated Groundwater Under Control - September 10, 2015	N/A
2015	Corrective Action Documents	Pierson Creek Landfill Additional Investigation Work Plan - February 26, 2015 Pierson Creek Landfill Additional Investigation Approval Letter - June 1, 2015	N/A
2014	Report	Waste Neoprene Landfill and Basin Sludge Storage Area Report - March 20, 2014 Waste Neoprene Landfill and Basin Sludge Storage Area - Cover Letter and Report Waste Neoprene Landfill and Basin Sludge Storage Area - Appendices A through D Waste Neoprene Landfill and Basin Sludge Storage Area - Appendices E through H	N/A
2014	Report	**Bury Pit Landfill Report – May 2014 Bury Pit Landfill - Report, Tables, and Figures (pages 1-19) Bury Pit Landfill - Appendices (pages 20-178)	N/A
2014	Report	Pierson Creek Report – May 2014 Pierson Creek - Report, Tables, and Figures (pages 1-65) Pierson Creek - Appendices A-C (pages 66-102) Pierson Creek - Appendix D (pages 103-120) Pierson Creek - Appendices E-F (pages 121-218) Pierson Creek - Appendices G-H (pages 219-332) Pierson Creek - Appendix I (pages 333-517) Pierson Creek - Appendix J (pages 518-568)	N/A
2013	Form	CA725 Environmental Indicator Form, Current Human Exposures under Control – September 24, 2013	N/A
2007	Corrective Action Documents	**Remedial Investigation Work Plan for Waste Management Units and Areas of Concern - February 2007	N/A
2006	Corrective Action Documents	**Prioritization of Waste Management Units and Areas of Concern - November 2006 Text (pages 1-45) Tables (pages 46-47) Appendix A - Communications (pages 54-87) Appendix B - NE Landfill (pages 88-191) Appendix C - North Landfill (pages 192-263) Appendix D - Bury Pit Landfill (pages 264-342) Appendix E - Pierson Creek Landfill (pages 343-456) Appendix F - Neoprene Waste Landfill (pages 457-462) Appendix G - Basin Sludge Area (pages 463-466) Appendix H - Lime Pile (pages 467-492) Appendix I - Calcium Fluoride Basin (pages 493-506) Appendix J - NPDES Surface Impoundment (pages 507-519) Appendix K - Former Injection Well (pages 520-522) Appendix L - Railcar Unloading Area East (pages 523-527) Appendix M - Railcar Unloading Area West (pages 528-536) Appendix N - Hydrogen chloride Storage Tank (pages 537-540) Appendix O - Generator Accumulation Area for Solvents Condensed from Air Stripper (pages 541-542) Appendix P - Mirror Lake (pages 543-553) Appendix Q - Pierson Creek (pages 554-572)	N/A
2003	Corrective Action Documents	Phase I Supplemental Groundwater Investigation Work Plan October 2003, Part 1 Phase I Supplemental Groundwater Investigation Work Plan October 2003, Part 2	N/A

**These documents are also available for viewing at the:

White Lake Community Library
3900 White Lake Drive
Whitehall, Michigan 49431

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EGLE Contact

Ronda Blayer, BlayerR@Michigan.gov, 517-614-2630

Chemours Contact

Sathya Yalvigi, 302-773-4291

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