Document Portal

Welcome to the Iowa DOT's Section 404 permit library.

The purpose of this library is to provide access to our permits issued under Section 404 of the Clean Water Act.

Simply click on View our Section 404 permit collection to view the permits stored within the library. Learn how to quickly search for Iowa DOT 404 permits by permit number.

Please accept our invitation to view our 404 permits by clicking on the View Our 404 Permits button, which also means you agree to the terms of use.

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