You are responsible for obtaining all local, state and federal permits in advance of work. The results of this page is not the final Iowa DNR/US Army Corps of Engineers determination for your project. If you would like an official determination, you must submit a Joint Application.

Submitting a Joint Application
Complete the following 3 steps to determine if a Joint Application is required for your project. Once you “Get Results”, you may then complete the Joint Application process or request an official copy of the results for your records.

If you have any questions, or the results are unclear, please contact the Iowa Department of Natural Resources at 866-849-0321 for Flood Plain Permitting and 515-330-6432 for Sovereign Lands Construction Permitting.
Step 1: Pick the project type or types that best describes your project by clicking on the check box. To see examples of each project type, click on the Project Type label.

Step 2: Use one of the search options to find your project’s location. Once you zoom to your location, choose point, line, or polygon then select the project area on the map.

Step 3: Get Results!