Map of Our Sites
As the professional service provider to the Multistate Trustee and other environmental and custodial trustees, Greenfield Environmental Trust Group, Inc. owns, cleans up, and facilitates responsible reuse of hundreds of contaminated sites nationwide. This map depicts the locations of some of the sites that Greenfield owns as a trustee.
Websites - Multistate Trust Sites

Learn about our accomplishments and work at these sites:
The Multistate Trust is committed to sharing information with community members, stakeholders, and all interested parties. Here are recent materials that have been distributed to inform and engage communities where the Multistate Trust works.
Fact Sheets
Sauget, IL 2025 Supplemental Remedial Investigation Update, July 2025
Navassa, NC Operable Unit 2 Remedial Action Updates, July 2025
Jacksonville, FL Update on Site Cleanup Activities, March 2025
Madison, IL 2024 Groundwater Update, December 2024
Columbus, MS OU3 Record of Decision Overview, December, 2024
Madison, IL Overview and Investigation Update, December 2023
Soda Springs, ID Site Overview, Updated November 2023
Caselton Mine Area, NV Site Overview and Progress, June 2023
Flyers
Navassa, NC community meeting & drop-in, July 2025
Bossier City, LA community meeting, March 2025
Navassa, NC community meeting & drop-in session, December, 2024
Springfield, MO community drop-in session, October 2024
Caselton Mine, NV community meeting & visioning workshop, June 2024
Presentations
Navassa, NC Community Meeting and Drop-in Session, July 2025
Bossier City, LA Community Meeting, June 2025
Jacksonville, FL virtual community meeting, December 11, 2024
Caselton, NV Community Meeting & Visioning Workshop #1 , June 2024