Grasslands S-4/A Registration of securities issued in business combination transactions (amended)

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Amendment No. 1 to the Registration Statement on Form S-4 of Casella Waste Systems, Inc. and its subsidiaries (the Company) of our report dated June 28, 2012, relating to our audits of the consolidated financial statements and the financial statement schedule as of and for the years ended April 30, 2012 and 2011 and the effectiveness of the Company’s internal control over financial reporting as of April 30, 2012, which appears in the Annual Report on Form 10-K of Casella Waste Systems, Inc. and its subsidiaries for the year ended April 30, 2012, including the adjustments that were applied to the 2010 consolidated financial statements to retrospectively reflect discontinued operations. We also consent to the reference to our firm under the caption “Experts” in the Prospectus, which is part of this Registration Statement.

/s/ McGladrey LLP

Boston, Massachusetts

December 3, 2012