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  2. Permitting Under the Clean Air Act

Title V Operating Permit Public Petition Deadlines in Region 8

This table lists Proposed Title V Operating Permits submitted to Region 8 and undergoing EPA's 45-day Review, including the start and end dates for EPA's 45-day review period. It also lists the start and end dates for the public's 60-day petition period

State Company and Facility Name Permit Number Type of Permit Action EPA 45-Day Review
Period Start Date
EPA 45-Day Review
Period End Date

60-Day Public Petition Period Start Date
60-Day Public Petition Period End Date Review Type
Colorado Boulder Scientific Company - Mead Facility 23OPWE577 Renewal 5/6/2025 6/20/2025 6/21/2025 8/19/2025 Concurrent
Colorado Public Service Company of Colorado - Yosemite Air Blend Plant 02OPWE247 Renewal 4/29/2025 6/12/2025 6/13/2025 8/13/2025 Concurrent
Colorado Caerus Energy Services, LLC - StoryGulch Compressor Station 13OPGA380 Renewal 4/24/2025 6/9/2025 6/10/2025 8/8/2025 Sequential
Colorado Colorado State University - Foothills Campus 23OPLR494 Initial 1/27/2025 3/13/2025 3/14/2025 5/13/2025 Sequential
Colorado Bonanza Creek Energy Operating Company, LLC- Pronghorn 41-32 20OPWE420 Initial 1/31/2025 3/17/2025 3/18/2025 5/19/2025 Sequential
Colorado Bonanza Creek Energy Operating Company, LLC- State Antelope O-1 20OPWE418 Renewal 1/31/2025 3/17/2025 3/18/2025 5/19/2025 Sequential
Colorado Bonanza Creek Energy Operating Company, LLC - State North Platte 42-26 Central Production Facility 20OPWE419 Initial 1/31/2025 3/17/2025 3/18/2025 5/19/2025 Sequential
Colorado TEP Rocky Mountain, LLC - Bailey Compressor Station 09OPGA339 Renewal 2/13/2025 3/31/2025 4/1/2025 6/2/2025 Sequential
Colorado TEP Rocky Mountain, LLC - Mamm Creek Compressor Station 07OPGA293 Renewal 2/14/2025 3/31/2025 4/1/2025 6/2/2025 Sequential
Colorado Grand River Gathering, LLC - East Mamm Creek Compressor Station 05OPGA280 Renewal
2/25/2025
4/10/2025 4/11/2025 6/11/2025 Sequential
Colorado American Gypsum Company - Eagle Facility 95OPEA041 Renewal 2/27/2025 4/14/2025 4/15/2025 6/13/2025 Sequential
Colorado Platte River Power Authority - Rawhide Energy Station - Renewal 2025 03OPLR261 Renewal 2/27/2025 4/14/2025 4/15/2025 6/13/2025 Sequential
Colorado Bargath, LLC - Hayes Gulch Compressor Station 10OPGA343 Renewal 2/28/2025 4/14/2025 4/15/2025 6/16/2025 Sequential
Colorado Bargath, LLC - Riley Compressor Station 08OPGA317 Renewal 2/28/2025 4/14/2025 4/15/2025 6/16/2025 Sequential
Colorado Teleport Communications America, LLC - AT&T Telecommunications Service Facility 23OPDE580 Initial 3/19/2025 5/2/2025 5/3/2025 7/1/2025 Sequential
Colorado CoorsTek, Inc. - GMC South, Clear Creek Valley Plant (CCVP) 21OPJE465 Renewal 3/10/2025 4/23/2025 4/24/2025 6/26/2025 Sequential
Colorado Rocky Mountain Metal Container 96OPJE139 Renewal 3/27/2025 5/12/2025 5/13/2025 7/11/2025 Sequential
Colorado Elevation Field Services, LP - Buffalo Compressor Station 21OPWE468 Initial 3/13/2025 4/28/2025 4/29/2025 6/27/2025 Sequential
Colorado Colorado Interstate Gas Company, LLC - Watkins Compressor Station 95OPAD047 Renewal 3/18/2025 5/1/2025 5/2/2025 7/2/2025 Sequential
Colorado Public Service Company of Colorado - Alamosa Combustion Turbines 98OPAL203 Renewal 3/18/2025 5/1/2025 5/2/2025 7/2/2025 Concurrent
Colorado Bonanaza Creek Energy Operating Company, LLC - North Platte 14-36 22OPWE492 Initial 4/2/2025 5/16/2025 5/17/2025 7/21/2025 Sequential
Colorado Public Service Company of Colorado - Comanche Station 6OPPB133 Renewal
 
 4/8/2025  5/22/2025 5/23/2025 7/23/2025 Concurrent
Colorado DCP Operating Company, LP - Spindle Natural Gas Processing Plant 95OPWE039 Renewal 4/9/2025 5/23/2025 5/24/2025 8/4/2025 Concurrent

Colorado

Utah GasOP Ltd. dba Utah Gas Corp - Dragon Trail Gas 95OPRB044 Renewal 4/16/2025 6/2/2025    6/3/2025 8/4/2025 Sequential
Colorado DCP Operating Company, LP - Bernhardt Compressor Station 21OPWE432 Initial 4/22/2025 6/5/2025 6/6/2025 8/5/2025 Concurrent
Montana Montana Renewables, LLC OP2650-04 Renewal 2/10/2025 3/26/2025 3/27/2025 5/27/2025 Sequential
Montana GCC Trident Gallatin County OP0982-08 Renewal 2/20/2025 4/7/2025 4/8/2025 6/6/2025 Sequential
North Dakota Cargill Corn Milling AOP-28379 v6.0 Renewal 3/1/2025 4/14/2025 4/15/2025 6/16/2025 Sequential
Southern Ute El Paso Natural Gas Company - Bondad Compressor Station V-SUIT-0028-2023.00 Renewal 3/11/2025 4/24/2025 4/25/2025 6/23/2025 Sequential
Utah Hill Air Force Base 1100007004 Renewal; Administrative Amendment 5/3/2025 6/16/2025 6/17/2025 8/15/2025 Sequantial
Utah Materion Natural Resources - Delta Mill 2700001005  Renewal 4/22/2025 6/5/2025 6/6/2025 8/4/2025 Sequential
Utah Central Valley Water Reclamation Facility - Wastewater Treatment Plant AN104140015-21 Renewal; Administrative Amendment 4/17/2025 6/2/2025 6/3/2025 8/1/2025 Sequential
Utah Salt Lake Valley Solid Waste Management - Salt Lake Valley Landfill & Transfer Station 3500536004 Renewal 2/27/2025 4/14/2025 4/15/2025 6/13/2025 Sequential
Utah Utah Associated Municipal Power Systems - Nebo (Payson) Power Plant AN128250007-17 Renewal; Administrative Amendment 2/25/2025 4/10/2025 4/11/2025 6/9/2025 Sequential

Permitting Under the Clean Air Act

  • Clean Air Act Permitting Around the Nation
    • New England Region (R1)
    • New York, New Jersey, Puerto Rico and U.S. Virgin Islands (R2)
    • Mid-Atlantic Region (R3)
    • Southeastern Region (R4)
    • Great Lakes Region (R5)
    • South Central Region (R6)
    • Midwest Region (R7)
    • Mountains and Plains Region (R8)
    • Pacific Southwest Region (R9)
      • About PSD Permitting in Region 9
      • Air Permit Delegation and PSD SIP Approval Status in Region 9
      • About NSR Permitting in Region 9
      • About Title V Permitting in Region 9
      • Electronic Permit System and Dashboards
      • Pending and Completed Permit Actions
      • Clean Air Act Permitting in Arizona
      • Clean Air Act Permitting in California
      • Clean Air Act Permitting in Hawai'i and Pacific Islands
      • Clean Air Act Permitting in Nevada
    • Pacific Northwest Region (R10)
  • CAA Permitting Tools & ​Related Resources
  • Outer Continental Shelf Air Permits
Contact Us About Permitting Under the Clean Air Act
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on May 12, 2025
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