UNITED STATES
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): March 31, 2005

Waste Services, Inc.

(Exact name of registrant as specified in its charter)

Delaware
(State or other jurisdiction of
incorporation or organization) 000-25955
(Commission
File Number) 01-0780204
(I.R.S. Employer
Identification No.)

1122 International Blvd., Suite 601, Burlington, Ontario, Canada L7L 6Z8
(Address of principal executive offices and zip code)

(905) 319-1237
(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligations 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 Soliciting 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))

Section 2 Financial Information

Item 2.02 – Results of Operations and Financial Condition

Waste Services, Inc. issued a press release on May 4, 2005 announcing its results of operations for the fiscal quarter ended March 31, 2005. A copy of that release is furnished as Exhibit 99.1.

Section 9 Financial Statements and Exhibits

Item 9.01 – Financial Statements and Exhibits

(c) Exhibits

99.1 Press Release issued May 4, 2005.

2

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 thereunto duly authorized.

WASTE SERVICES, INC.
By:	/s/ Ivan R. Cairns
	Ivan R. Cairns
	Executive Vice President and General Counsel

Date: May 4, 2005

3