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Home My WebLink About20253058.tiffa COLORADO Department of Public Health 6 Environment Weld County - Clerk to the Board 1150 0 St PO Box 758 Greeley, CO 80632 November 5, 2025 To whom it may concern: RECEIVED NOV ;2Lizj WELD COUNTY COMMISSIONERS On November 5, 2025, the Air Pollution Control Division will begin a 30 -day public notice period for DCP Operating Company, LP - Mewbourn Natural Gas Processing Plant. 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 notice period. Please reference the public notice for instructions on submitting comments. Enclosure 1Pu \i G ?1eu►,ew 1\ \ cu ias 4300 Cherry Creek Drive 5., Denver, CO 80246-1530 P 303-692.2000 CDPHE Website Jared Polls, Governor I Jill Hunsaker Ryan, MPH, Executive Director C-C*.PLLI)E.\Mc\\ PtA3 LC A \ \ \\ sHH \S%> ii o6) S 2025-3058 Air Pollution Control Division atig,Notice Of A Proposed Renewal Title V Operating Permit Warranting Public Comment Website Title: DCP Operating Company, LP - Mewbourn Natural Gas Processing Plant - Weld County Notice Period Begins: November 5, 2025 Notice Period Ends: December 5, 2025 NOTICE is hereby given that an application to renew an Operating Permit has been submitted to the Colorado Air Pollution Control Division, 4300 Cherry Creek Drive South, Denver, Colorado 80246-1530, for the following source of air pollution: Applicant DCP Operating Company, LP 3026 4th Avenue Greeley, CO 80631 Facility: Mewbourn Natural Gas Processing Plant DCP Operating Company, LP has applied to renew the Operating Permit for the Mewbourn Natural Gas Processing Plant in Weld County, CO. This facility is a natural gas processing plant. This renewal includes the incorporation of multiple significant modifications in order to include the most recent versions of the construction permit. There are emission changes associated with this permit action due to the expansion of the processing trains (Mewbourn II at Ill) and the decommissioning of the previously permitted train (Mewbourn I). The emission changes include a permitted decrease of 43.5 tons per year of NOx, a decrease of 16.8 tons per year of VOC, an increase of 13.5 tons per year of CO, an increase of 18.3 tons per year of PM10/PM2.5/TSP, and an increase of 54.7 tons per year of SOx. A copy of the application, including supplemental information, the Division's analysis, and a draft of the Renewal Operating Permit 95OPWE062 are available on the Division's website. The Division has made a preliminary determination of approval of the application. Based on the information submitted by the applicant, the Division has prepared the draft renewal operating permit for approval. Any interested person may contact the Division at cdphe_apcd_title_v@state.co.us to obtain additional information. Any interested person may k 2.02 1 I a COLORADO arDepartment of Public 6 Environment submit written comments to the Division concerning 1) the sufficiency of the preliminary analysis, 2) whether the permit application should be approved or denied, 3) the ability of the proposed activity to comply with applicable requirements, 4) the air quality impacts of, alternatives to, and control technology required on the source or modification, and 5) any other appropriate air quality considerations. Any interested person may submit a written request to the Division for a public comment hearing before the Colorado Air Quality Control Commission (Commission) to receive comments regarding the concerns listed above as well as the sufficiency of the preliminary analysis and whether the Division should approve or deny the permit application. If requested, the hearing will be held before the Commission within 60 days of its receipt of the request for a hearing unless a longer time period is agreed upon by the Division and the applicant. The hearing request must: 1) identify the individual or group requesting the hearing, 2) state his or her address and phone number, and 3) state the reason(s) for the request, the manner in which the person is affected by the proceedings, and an explanation of why the person's interests are not already adequately represented. The Division will receive and consider the written public comments and requests for any hearing for thirty calendar days after the date of this Notice. Comments may be submitted using the following options: • Use this web form. This page also includes guidance for public participation • Send an email to cdphe_apcd_airpermitcomments@state.co.us • Send comments to our mailing address: Title V Operating Permits Unit Colorado Department of Public Health and Environment 4300 Cherry Creek Drive South, APCD-SS-B1 Denver, Colorado 80246-1530 NOTE: Comments submitted to the Division will be uploaded to an online document repository and will be accessible to the public. Your comments and the division's responses are not considered confidential and will be publicly accessible, including your name and any other personal information you provide in your comments. 2.02 2 I COLORADO Department of Public Health 613nvim=. Hearing requests may be submitted to the email address or the mailing address noted above. Note that the draft/proposed permit is subject to parallel EPA review (pursuant to 40 CFR § 70.8(a)(1) and 40 C.F.R. § 70.8(a)(1)(ii)). 45 -Day EPA Review Period Start Date: November 6, 2025 45 -Day EPA Review Period End Date: December 22, 2025 2.02 31 COLORADO Department o! Publlo Health 6 Environmext Hello