EXHIBIT 23

                    CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

We hereby consent to the incorporation by reference in the Registration
Statements on Form S-8 (Nos. 333-66714, 333-66712, 333-64688, 333-64690,
33-82486, 33-82488 and 33-63953) and Registration Statement on Form S-3 (No.
333-57932) of Insituform Technologies, Inc. of our report dated January 28,
2003, except for Note 16, which is as of March 28, 2003, relating to the
financial statements as of and for the year ended December 31, 2002, which
appears in this Annual Report on Form 10-K.

PricewaterhouseCoopers LLP

St. Louis, Missouri
March 28, 2003