Public Notices: Wyoming Department of Transportation (F031141/A0014830)

Wyoming Department of Environmental Quality  | view as a webpage

Wyoming Department of Environmental Quality

Public Notices: May 4, 2023




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


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

Wyoming Department of Transportation (F031141, P0036367):  

CHAPTER 6, SECTION 2 CONSRUCTION/MODIFICATION 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 Wyoming Department of Transportation to construct the Duke Pit, a 61 acre pit, which will include sand and gravel crushing, screening, exposed acreage, stockpiling, haul activity and a hot mix asphalt plant. The Duke Pit is located in the W½ SE¼ of Section 11, T43N, R97W, approximately four (4) miles south-southwest of the Hot Springs County Airport, 1080 Manning Road, Thermopolis, in Hot Springs County, Wyoming. The applicant estimates an annual production rate of 50,000 tons. No blasting or concrete batch plants are planned for this site.

For the duration of the public comment period, the permit application, the agency’s analysis, and the public notice are available for public inspection online at, utilizing facility ID F031141 and permit number P0036367 under permits. This material may also be viewed online, at the above URL, utilizing a public computer at the Hot Springs County Library, Thermopolis, Wyoming. Additionally, for the duration of the public comment period a copy of this public notice is available for public inspection at the Hot Springs County Clerk’s Office, Thermopolis, Wyoming. In accordance with the Americans with Disabilities Act, special assistance or alternate formats will be made available upon request for individuals with disabilities.

Written comments may be directed to Nancy Vehr, Administrator, Division of Air Quality, Department of Environmental Quality, 200 West 17th St., Cheyenne, Wyoming 82002 or by fax (307) 635-1784. Please reference A0014830 in your comment. Comments may also be submitted electronically through the Division’s website ( Comments submitted by email will not be included in the administrative record. All comments received by 5:00 p.m., Monday, June 5, 2023 will be considered in the final determination on this application. A public hearing will be conducted only if in the opinion of the administrator sufficient interest is generated or if an aggrieved party so requests. Para español, visite

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

                                                                               200 West 17th Street
                                                                              Cheyenne, WY 82002