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  2. Permitting Under the Clean Air Act

Operating Permit Timeline for Arkansas

CompanyPermit NumberEnd of EPA ReviewPetition DeadlineComments
Enable Gas Transmission, LLC - Round Mountain Compressor Station1725-AOP-R612/8/20252/09/2026Renewal
ABB Motors and Mechanical Inc.0996-AOP-R3212/8/20252/09/2026Renewal
Roseburg Forest Products Co. - El Dorado MDF0714-AOP-R1612/8/20252/09/2026Renewal & Modification
Owens Corning Non-Woven Technology, LLC0747-AOP-R1012/1/20252/02/2026Significant Modification
West Fraser, Inc.1628-AOP-R1512/1/20252/02/2026Renewal
Lycon LTD1103-AOP-R311/24/20251/26/2026Renewal
PotlatchDeltic Manufacturing L.L.C. - Waldo Lumber Mill 0697-AOP-R2411/21/20251/21/2026Renewal
West Fraser, Inc.—Mansfield1386-AOP-R1211/21/20251/21/2026Renewal
Waste Management of Arkansas, Inc. (Two Pine Landfill)1697-AOP-R1011/17/20251/20/2026Renewal
Mississippi County Landfill2502-AOP-R011/10/20251/12/2026Initial
Hendren Plastics, Inc.1290-AOP-R311/03/20251/05/2026Renewal
U.S. Army, Pine Bluff Arsenal1113-AOP-R2310/27/202512/29/2026Significant Modification
Glad Manufacturing Company0407-AOP-R1511/24/20251/26/2026Modification
Enable Mississippi River Transmission, LLC—Fountain Hill Compressor Station1433-AOP-R1110/6/202512/8/2025Renewal
Acme Brick Company - Perla Plant1154-AOP-R910/27/202512/29/2025Significant Modification
Ammunition Operations, LLC (Lonoke)1272-AOP-R19/23/202511/24/2025Significant Modification
Enable Gas Transmission, LLC - Webb (AFIN 24-00088)1285-AOP-R701/06/202203/08/2022 
Weyerhaeuser NR Company - Dierks (AFIN 31-00016)0023-AOP-R1501/20/202203/22/2022 
Entergy Arkansas, LLC - Lake Catherine (AFIN 30-00011)1717-AOP-R901/20/202203/22/2022 
Georgia-Pacific Consumer Operations, LLC (AFIN 02-00013)0597-AOP-R2301/20/202203/22/2022 
Weyerhaeuser NR Company - Emerson (AFIN 14-00008)0828-AOP-R1501/20/202203/22/2022 
Entergy Arkansas, LLC - Union Power Station (AFIN 70-00543)1861-AOP-R1301/27/202203/29/2022 
Armtec Countermeasures Co. (AFIN 07-00033)1865-AOP-R1001/27/202203/29/2022 
Clean Harbors El Dorado, LLC (AFIN 70-00098)1009-AOP-R2402/03/202204/05/2022 
Drew Foam Companies, Inc. (AFIN 22-00057)2132-AOP-R702/03/202204/05/2022 
Big River Steel LLC (AFIN 47-01073)2445-AOP-R002/03/202204/05/2022ADEQ has scheduled a public hearing for this draft permit on 01/20/2022 at the Osceola City Hall.
Waste Corporation of Arkansas, LLC - Union (AFIN 70-00364)1854-AOP-R502/24/202204/26/2022 
U.S. Army Corps of Engineers - Huxtable (AFIN 39-00023)1793-AOP-R402/24/202204/26/2022 
Roseburg Forest Products Co. - El Dorado MDF (AFIN 70-00480)1714-AOP-R1303/05/202205/05/2022 
Albemarle Corporation - South Plant (AFIN 14-00028)0762-AOP-R3003/05/202205/05/2022 
Waste Management of Arkansas, Inc. - Two Pine Landfill (AFIN 60-00438)1697-AOP-R903/10/202205/10/2022 
Domtar A.W. LLC - Ashdown Mill (AFIN 41-00002)0287-AOP-R2403/17/202205/17/2022 
Sunoco, LLC - North Little Rock Terminal (AFIN 60-00440)0590-AOP-R2103/17/202205/17/2022 
Arkansas Children's Hospital (AFIN 60-00689)1923-AOP-R1003/24/202205/24/2022 
Planters Cotton Oil Mill, Inc. (AFIN 35-00025)1427-AOP-R1703/24/202205/24/2022 
Enterprise Refined Products Company LLC - El Dorado Terminal (AFIN 70-00400)1611-AOP-R903/24/202205/24/2022 
3M Company - Industrial Mineral Products Division (AFIN 60-00003)0039-AOP-R1703/31/202205/31/2022 
Natural Gas Pipeline Company of America LLC - Station 307 (AFIN 73-00104)0715-AOP-R803/31/202205/31/2022 
Kawneer Company, Inc. (AFIN 72-00205)0904-AOP-R1303/31/202205/31/2022 
Georgia-Pacific Wood Products LLC (AFIN 10-00005)0463-AOP-R2004/08/202206/08/2022 
Northeast Arkansas Regional SWMD (AFIN 28-00077)2126-AOP-R504/08/202206/08/2022 

Please contact the EPA State Coordinator if you have any questions about the information contained in the table, or need information for any permit that was available for public review before October 1, 2019.

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)
      • Air Permit Delegation and PSD SIP Approval
      • Electronic Permit System and Dashboards
      • Pending and Issued Permits
      • About NSR Permitting
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      • About Title V Permitting
      • Permitting in Arizona
      • Permitting in California
      • Permitting in Hawai'i and Pacific Islands
      • 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 About Permitting Under the Clean Air Act to ask a question, provide feedback, or report a problem.
Last updated on October 29, 2025
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