Public Notices: Jonah Energy, LLC (F013347/A0015106)

Wyoming Department of Environmental Quality  | view as a webpage

Wyoming Department of Environmental Quality

Public Notices: August 31, 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:

Jonah Energy, LLC (F013347, P0036703):  

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 Jonah Energy LLC (CMP100053) to modify and operate the Stud Horse Butte 1-29 Central Facility (F013347) with the addition of production and equipment associated with three new wells, the Stud Horse Butte 23-32, 24-32 and 26-32, with one reboiler overheads condenser, one TEG flash tank separator and one common smokeless combustion device to control volatile organic compound and hazardous air pollutant emissions associated with the dehydration unit, condensate tanks, active produced water tanks and pneumatic pumps, located in the NE1/4NE1/4 of Section 29, T29N, R108W, approximately eighteen (18) miles southwest of Big Sandy, in Sublette County, Wyoming. A Chapter 6, Section 2(c)(ii) demonstration in accordance with the Division’s Interim Policy has been conducted. Emission offset requirements, if applicable, have been applied to this permitting action at a ratio of 1.5:1.0 for VOCs and 1.1:1.0 for NOx. Permitting actions to date have resulted in a decrease in actual VOC emissions of 4252.7 tpy and a decrease in actual NOx emissions of 392.5 tpy. Therefore, Jonah Energy has met the offset requirements for VOCs and NOx.

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 F013347 and permit number P0036703 under permits. This material may also be viewed online, at the above URL, utilizing a public computer at the Sublette County Library, Pinedale, Wyoming. Additionally, for the duration of the public comment period a copy of this public notice is available for public inspection at the Sublette County Clerk’s Office, Pinedale, Wyoming.

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 A0015106 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, October 2, 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 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 comment 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