SECURITIES AND EXCHANGE COMMISSION
WASHINGTON D.C. 20549

FORM 8-K

CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): May 27, 2005

Casella Waste Systems, Inc.

(Exact Name of Registrant as Specified in Charter)

Registrant’s telephone number, including area code: (802) 775-0325

Not Applicable
(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o So liciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 5.02.                  Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.

On May 27, 2005, John J. Zillmer announced his resignation from the Board of Directors of Casella Waste Systems, Inc., effective May 27, 2005.  Mr. Zillmer’s resignation followed his appointment as Chief Executive Officer and Chairman of the Board of Allied Waste Industries, Inc.  Mr. Zillmer had no disagreements with the Company, its Board of Directors or its management in any matter relating to the Company’s operations, policies or practices.

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

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