Wyoming Department of Environmental Quality  | view as a webpage

Public Notices: April 22, 2026

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Electronic copies of all public notices, permit application analyses, and permit applications are now available through the IMPACT Public-Facing Website OpenAir.  For more information on OpenAir, please visit our website here. 

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The Division of Air Quality, proposes to approve the following requests:

ONEOK Rockies Midstream, LLC (F028815, P0040771):  

CHAPTER 6, SECTION 2 OPERATING PERMIT - Department of Environmental Quality, Division of Air Quality PUBLIC NOTICE: In accordance with Chapter 6, Section 2(m) of the Wyoming Air Quality Standards and Regulations, notice is hereby given that the State of Wyoming, Department of Environmental Quality, Division of Air Quality, proposes to approve a request by ONEOK Rockies Midstream, LLC to operate the Trailblazer Compressor Station, an existing facility in Converse County. The Trailblazer Compressor Station is located in the NW¼ NE¼ of Section 30, T40N, R73W, approximately twenty-four (24) miles west-northwest of Bill, in Converse County, Wyoming.

For the duration of the public notice period, the permit application, the agency’s analysis, and the public notice are available for public inspection online at https://openair.wyo.gov, utilizing facility ID F028815 and permit number P0040771 or A0019122. This material may also be viewed online, at the above URL, utilizing a public computer at the Converse County Library, Douglas, Wyoming. The public notice period will end on Friday, May 22, 2026. Para español, visite deq.wyoming.gov. Americans with Disabilities Act: special assistance or alternative formats will be made available upon request for individuals with disabilities. Please provide at least fourteen (14) days before the close of the public notice period for such requests.

                   Please note that the Wyoming Department of Environmental Quality Cheyenne Office has moved. 
                                                                               The new address is:

                                                                               200 West 17th Street
                                                                              Cheyenne, WY 82002