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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 Act of 1934

Date of Report (Date of earliest event reported) April 17, 2002

Tetra Tech, Inc.
(Exact name of registrant as specified in its charter)

Delaware
(State or other jurisdiction
of incorporation)
  0-19566
(Commission
File Number)
  95-4148514
(I.R.S. Employer
Identification No.)

670 N. Rosemead Boulevard, Pasadena, California 91107-2190
(Address of principal executive offices)            (Zip Code)

Registrant's telephone number, including area code (626) 351-4664

Not Applicable
(Former name or former address, if changed since last report.)





Item 5. Other Events

        On April 17, 2002, Tetra Tech, Inc. ("Tetra Tech") announced results for its second fiscal quarter ended March 31, 2002. Tetra Tech's press release, dated April 17, 2002, titled "Tetra Tech Reports Second Quarter 2002 Results" is attached hereto as Exhibit 99.1.


Item 7. Financial Statements and Exhibits

    99.1   Press Release titled "Tetra Tech Reports Second Quarter 2002 Results" dated April 17, 2002.

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Signatures

        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.

        Date: April 17, 2002

    TETRA TECH, INC.

 

 

By:

 

/s/  
JAMES M. JASKA      
James M. Jaska
President and Chief Financial Officer

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Item 5. Other Events
Item 7. Financial Statements and Exhibits
Signatures