EX-23.1 3 cwst-ex231123121.htm EX-23.1
Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-40267, 333-43537, 333-43539, 333-43541, 333-43543, 333-43635, 333-67487, 333-92735, 333-31022, 333-100553, 333-141038, 333-163645, 333-175010, 333-199685 and 333-214683) and on Form S-3 (Nos. 333-85279, 333-88097, 333-95841, 333-31268, and 333-260602) of Casella Waste Systems, Inc. of our report dated February 18, 2022, relating to the consolidated financial statements, and the effectiveness of internal control over financial reporting of Casella Waste Systems, Inc. and subsidiaries, appearing in the Annual Report on Form 10-K of Casella Waste Systems, Inc. for the year ended December 31, 2021.
/s/ RSM US LLP
Boston, Massachusetts
February 18, 2022