Flood Plain Development Permit

About

Permit for construction activities in flood plains. Activities covered include construction of buildings, fill, excavations, bridges and roadways, dams, channel changes, flood control works and any other activities that could obstruct flood flows.

Code Citation IAC 567 Chapters 70, 71, and 72

Who Applies Persons planning to develop in a floodplain may need a Department of Natural Resources Floodplain Development Permit. Activities covered include construction of buildings, fill, excavations, bridges and roadways, dams, channel changes, flood control works and any other activities that could obstruct flood flows. Modified plans require a new permit.

When To Apply Permitting applications should be submitted as soon as possible after design work is complete. Don’t hesitate to visit our web site http://floodplain.iowadnr.gov for application instructions and forms or call the DNR Flood Plain Permitting Help Line 866-849-0321 early on to ensure that you have all of the information that you need to submit a complete application.

Initial Requirements Check with city or county Community Development Departments for additional permits or regulations.

Duration For the life of construction or until the permit is modified or revoked.

Processing Time Permit processing time is approximately 90 days if a complete application is submitted with all required forms. Please visit our website, http://floodplain.iowadnr.gov for application instructions and forms. If you have any questions, call our Help Line 866.849.0321 which is directed to one of our DNR flood plain engineers.

Fee Structure No fees.

Renewal Requirements Does not pertain.

Exam Does not pertain.

Additional Information None.