Exhibit 16.1

PricewaterhouseCoopers LLP

125 High Street

Boston, MA 02110

Telephone (617) 530 5000

Facsimile (617) 530 5001

September 14, 2006

Securities and Exchange Commission
100 F Street, N.E.
Washington, DC 20549

Commissioners:

We have read the statements made by Casella Waste Systems, Inc. (copy attached), which we understand will be filed with the Securities and Exchange Commission, pursuant to Item 4.01 of Form 8-K, as part of the Form 8-K of Casella Waste Systems, Inc. dated September 11, 2006. We agree with the statements concerning our Firm in such Form 8-K.

Very truly yours,

 

PricewaterhouseCoopers LLP