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Air Quality permits under review

  • 7/15/2021 1:33:00 PM
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DES MOINES – The DNR Air Quality Bureau has the following draft permits up for review. The permits help protect Iowans’ health and air quality. DNR’s permitting staff review each permit application to ensure facilities comply with state and federal air quality requirements. We encourage public comments on draft permits, providing help on how to make effective comments. Submit written comments to the assigned permit writer before 4:30 p.m. on the last day of the comment period. DNR considers public comments before finalizing the permits.

Construction Permits
DNR engineers review and issue construction permits to facilities before they build new or modified sources of air pollution. The public may review the following air quality construction permits available online at

Muscatine County
Grain Processing Corporation, 1600 Oregon St., Muscatine
Project 21-156, Emission Point 319.0: modify capacity for Gluten Railcar Loadout, add Gluten Plant 2 Transport System to the permit, remove #1 Gluten Day Bin from the permit.  Public comment period ends Aug. 16.

Project 21-157, Emission Point 319.1: modify capacity for #1 Gluten Day Bin.   Public comment period ends Aug. 16.