HomeMy WebLinkAbout20251225.tiff51)712.5
4,,COLORADO
Department of public
Health b Environment
Weld County - Clerk to the Board
1150 0 St
PO Box 758
Greeley, CO 80632
May 5, 2025
To Whom It May Concern:
RECEIVED
MY 0 5 2025
WELD COUNTY
COMMISSIONERS
On May 5, 2025, the Colorado Air Pollution Control Division will begin a 30 -day public
comment period for Bison IV Operating, LLC - Salt Ranch Fee 18 East Pad. A copy of
this public notice is enclosed.
Thank you for assisting the division by posting a copy of this notice in your office. A
public copy of this notice is required by Colorado Air Quality Control Commission
regulations. The notice must be available for public inspection for a period of thirty
(30) days from the beginning of the public comment period. Please reference the
public notice for instructions on submitting comments.
4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov/cddhe
Jared Polls, Governor I Jill Hunsaker Ryan, MPH, Executive Director
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2025-1225
Air Pollution Control Division
Notice of a Proposed Construction Permit Warranting Public Comment
Website Title:
Notice Period Begins: May 5, 2025
Bison IV Operating, LLC - Salt Ranch Fee 18 East Pad - Weld County
Notice is hereby given that an application for a proposed project or activity has been submitted to
the Colorado Air Pollution Control Division for the following source of air pollution:
Applicant: Bison IV Operating, LLC
Facility: Salt Ranch Fee 18 East Pad
Well Production Facility
40.914603,-104.584484
Weld County
The proposed project or activity is as follows:
Upland Exploration, LLC submitted a permit application requesting the change in coverage for
several source from a GP10 to a facility -wide permit. Facility is now owned by Bison IV Operating,
LLC. The transfer of ownership is effective using a streamlined transfer of ownership, and as a
result, the permit is being issued to Upland Exploration, LLC.
This well production facility receives well liquids from two well. Well fluids are first sent to 3
heater treaters where water, gas, and oil are separated. Water from the heater treaters are sent
to two produced water tanks, gas is sent to pipeline, and oil is sent to one VRT. Gas from the VRT
is compressed through a VRU and sent to pipeline while oil is sent to four oil tanks. Oil is primarily
transported from the facility through a LACT unit. As a back up, operator is requesting the
transportation of oil through tanker trucks as well. Produced water, oil tanks, and oil loadout are
controlled by one enclosed combustion device. Facility is also equipped with four natural-gas
driven RICE compressing gas and providing peak power.
Project is subject to public notice requirements because operator is requesting emission limitations
4300 Cherry Creek Drive 5., Denver, CO 80246-1530 I P 303-692-2000 I www.colorado.gov/cdphe
Jared Polls, Governor I Jill Hunsaker Ryan, MPH, Executive Director
on the PTE of NOx and VOC in order to avoid major source requirements. This facility is considered
a synthetic minor source or NOX, VOC, and CO.
The division has determined that this permitting action is subject to public comment requirements
under Colorado Air Quality Control Commission Regulation Number 3, Part B, Section III.C due to
the following reason(s):
• This source is requesting a federally -enforceable limit on the potential to emit to avoid
other requirements. (Regulation Number 3, Part B, Section III.C.1.d.)
The division has made a preliminary determination of approval of the application.
A copy of the application, the division's analysis, and a draft of construction permit number
24WE0152 are available on the division website: Air Permit Public Notices
The division hereby solicits submission of public comments from any interested person concerning
the ability of the proposed project or activity to comply with the applicable standards and
regulations of the commission. The division will receive and consider written public comments for
thirty (30) calendar days after the date of this notice. Comments may be submitted using the
following options:
Submit comments via web form: Form for Public Comment on Draft Permit
Submit comments via email: cdphe apcd airpermitcomments@state.co.us
Submit comments via mail:
Air Pollution Control Division - Oil Ft Gas Unit
Colorado Department of Public Health and Environment
4300 Cherry Creek Drive South, APCD-SS-61
Denver, CO 80246-1530
NOTE: Comments submitted to the division will be uploaded to an online document repository and
will be accessible to the public. Your comment(s) and the division's response(s) are not considered
confidential and will be publicly accessible, including your name and any other personal
information you provide in your comment(s).
4300 Cherry Creek Drive S., Denver, CO 80246-1530 I P 303-692-2000 I www.colorado.Qov/cdphe
Jared Polls, Governor I Jill Hunsaker Ryan, MPH, Executive Director
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