The Charles County Comprehensive Solid Waste Management Plan 2022-2031 was adopted by the Charles County Commissioners on Wednesday, February 9, 2022. The Maryland Department of Environment approved the plan on April 6, 2022.

Resolution #2022-11 to amend the SWMP was adopted by the Commissioners on July 12, 2022 and approved by MDE on August 29, 2022. The amendment adds a statement to section 5.3.2 Waldorf Recovery Facility.

Resolution #2025-16 to amend the SWMP was adopted by the Commissioners on September 30, 2025, and approved by MDE on January 7, 2026. The amendment adds a glossary and outlines an amendment application process before items are added to the Plan of Action.