Public Notices: Sage Butte PRB Operating, LLC (F026253/A0017825), (F032168/A0017823)

Wyoming Department of Environmental Quality | view as a webpage

Public Notices: May 14, 2025

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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:

Sage Butte Operating, LLC (F026253, P0039916):

CHAPTER 6, SECTION 2 CONSTRUCTION/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 Sage Butte PRB Operating, LLC (CMP100827) to modify and operate the No Name Fed 4076-36-25-1FH (F026253) by routing oil to truck loading, with one smokeless dual-tip flare to control volatile organic compound and hazardous air pollutant emissions associated with the oil tanks, located in the SW1/4SE1/4 of Section 36, T40N, R76W, approximately thirty-five (35) miles west-northwest of Bill, in Converse County, Wyoming.

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 https://openair.wyo.gov, utilizing facility ID F026253 and permit number P0039916 under permits. This material may also be viewed online, at the above URL, utilizing a public computer at the Converse County Library, Douglas, Wyoming. Additionally, for the duration of the public comment period a copy of this public notice is available for public inspection at the Converse County Clerk's Office, Douglas, 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 A0017825 in your comment. Comments may also be submitted electronically through the Division's website (http://aq.wyomingdeq.commentinput.com). Comments submitted by email will not be included in the administrative record. All comments received by 5:00 p.m., Friday, June 13, 2025 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 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 comment period for such requests.

Sage Butte Operating, LLC (F032168, P0039934):

CHAPTER 6, SECTION 2 CONSTRUCTION/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 Sage Butte PRB Operating, LLC (CMP100827) to construct and operate a new sweet crude oil and natural gas production facility, known as Spruce 29E22 PAD (F032168), consisting of the Spruce 29E32-6NH and 29E32-8NH wells, with one smokeless air-assist flare to control volatile organic compound and hazardous air pollutant emissions associated with the oil tanks and active produced water tanks, located in the NW1/4NE1/4 of Section 29, T40N, R75W, approximately thirty-four (34) miles west-northwest of Bill, in Converse County, Wyoming.

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 https://openair.wyo.gov, utilizing facility ID F032168 and permit number P0039934 under permits. This material may also be viewed online, at the above URL, utilizing a public computer at the Converse County Library, Douglas, Wyoming. Additionally, for the duration of the public comment period a copy of this public notice is available for public inspection at the Converse County Clerk's Office, Douglas, 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 A0017823 in your comment. Comments may also be submitted electronically through the Division's website (http://aq.wyomingdeq.commentinput.com). Comments submitted by email will not be included in the administrative record. All comments received by 5:00 p.m., Friday, June 13, 2025 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 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 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

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