DNR events have been cancelled due to the Covid-19 outbreak. Safety of our users, attendees, partners and staff is most important. When possible, events will be rescheduled and that information will be distributed accordingly. Please check this site frequently for the latest closures, postponements and updates.
Construction Permit Exemptions

Exemptions are listed in the DNR's administrative rules; they are found in subrule 22.1(2) of 567 IAC.

The administrative rules can be easily accessed on the Internet at https://www.legis.iowa.gov/ by following the following steps:
  • Under Popular Publications, click on "Iowa Administrative Code"
  • The agency is "Natural Resources Department [561]" - "Environmental Protection Commission [567]"
    • Click on "Chapters"
  • Chapter 22 (Controlling Pollution), Click on "pdf" or "rules"
  • Exemptions are listed at the beginning of the chapter under 22.1(2)

A hard copy of the administrative rules may also be obtained at the DNR records center. If you questions on any of the exemptions, call 1-877-AIR-IOWA (1-877-247-4692).