Attached files

file filename
EX-10.17 - EX-10.17 - TETRA TECH INCa2230290zex-10_17.htm
10-K - 10-K - TETRA TECH INCa2230290z10-k.htm
EX-95 - EX-95 - TETRA TECH INCa2230290zex-95.htm
EX-32.2 - EX-32.2 - TETRA TECH INCa2230290zex-32_2.htm
EX-32.1 - EX-32.1 - TETRA TECH INCa2230290zex-32_1.htm
EX-31.2 - EX-31.2 - TETRA TECH INCa2230290zex-31_2.htm
EX-31.1 - EX-31.1 - TETRA TECH INCa2230290zex-31_1.htm
EX-21 - EX-21 - TETRA TECH INCa2230290zex-21.htm

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EXHIBIT 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

              We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-203817, 333-184958, 333-174032, 333-158932, 333-148712, 333-145201, 333-145199, 333-85558, 333-53036, 333-211153, and 333-11757) of Tetra Tech, Inc. of our report dated November 22, 2016 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PRICEWATERHOUSECOOPERS LLP


PricewaterhouseCoopers LLP
Los Angeles, California
November 22, 2016




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CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM