When Department Approval is Required Per Chapter 71
Approval by the department for construction, operation, and maintenance of levees or dikes shall be required in the following instances.

71.4(1) Rural areas. In rural areas, any levees or dikes located on the flood plain or floodway of any stream or river draining more than 10 square miles.

71.4(2) Urban areas. In urban areas, any levee or dike along any river or stream draining more than 2 square miles.

Application Forms, Checklists & Guidance:

Application Form(s)	*.pdf
Joint Application Form
Application Guidance	*.pdf
N/A
Application Checklist(s)	*.pdf
Project Information Checklist for Agricultural Levees or Dikes

Aerial photographs can be obtained online at: http://ortho.gis.iastate.edu/search.html.