United States securities and exchange commission logo January 24, 2024 Edmond Coletta President Casella Waste Systems Inc. 25 Greens Hill Lane Rutland, VT 05701 Re: Casella Waste Systems Inc. Form 10-K for the Fiscal Year ended December 31, 2022 Filed February 17, 2023 File No. 000-23211 Dear Edmond Coletta: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Energy & Transportation