When Department Approval is Required Per IAC Chapter 71
Approval by the department for the construction, operation and maintenance of buried pipeline crossings is not required if the natural contours of the channel and flood plain are maintained. (NOTE: Approval of stream bank protection measures associated with pipeline crossings may need approval under 567-71.9(455B).) Approval by the department for the construction, operation, and maintenance of all other pipeline crossings shall be required in the following instances:

71.8(1) Rural areas. In rural areas, pipeline crossings on any river or stream draining more than 100 square miles.

71.8(2) Urban areas. In urban areas, pipeline crossings on any river or stream draining more than 2 square miles.

Application Forms, Checklists & Guidance:

Application Form(s)	*.pdf
Joint Application Form
Application Guidance	*.pdf
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Application Checklist(s)	*.pdf
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Aerial photographs can be obtained online at: http://ortho.gis.iastate.edu/search.html.