On June 25, 2025, the comment period begins for the proposal to issue a renewal air quality permit to El Paso Natural Gas Company, LLC, for the continued operation of the Williams Compressor Station located in Coconino County, Arizona. The comment period ends July 25, 2025.

Permitee: 

El Paso Natural Gas Company, LLC

Facility:  

Williams Compressor Station

Exit 171 of I-40, 3 miles north on N Buggy Wheel Ranch Road
Williams, Arizona 86046

Coconino County

The facility emits the following air contaminants: coarse particulate matter with diameters 10 micrometers or less (PM₁₀), fine particulate matter with diameters 2.5 micrometers or less (PM_2.5), volatile organic compounds (VOCs), nitrogen oxides (NO_X), sulfur dioxide (SO₂), carbon monoxide (CO), and hazardous air pollutants (HAPs)

Review Documents:

• Original Published Public Notice | View > 
• Draft Permit | View >  
• Technical Support Document | View >  
• Application for Permit Renewal | View >  
• In person at:
  • City of Williams Clerk's Office at 113 S. 1st St., Williams, Arizona 86046
  • ADEQ Record Center | Learn How >

Public Comment Period:

Dates: June 25, 2025 – July 25, 2025

Comments may be submitted as follows:

•      By Email | Send Email >
•      By Mail (Must be postmarked or received by July 25, 2025):

ADEQ
Air Quality Division, Air Permits

Attn: Karla Murrieta

1110 W. Washington St.
Phoenix, AZ  85007

EPA Petition Process: 

This permit is subject to review by EPA pursuant to 40 CFR 70.8 (Code of Federal Regulations) and Arizona Administrative Code R18-2-307. If EPA does not object to the issuance of this permit, you may petition to EPA within 60 days after the expiration of EPA's 45-day review period. A petition shall be based only on objections to the permit that were raised with reasonable specificity during the public comment period, unless the petitioner demonstrates that it was impracticable to raise such objections within such period, or unless the grounds for such objection arose after such period. Any person who petitions to EPA pursuant to 40 CFR 70.8(d) shall notify ADEQ by certified mail within 10 days after such petition.

Comments may be submitted to EPA according to the process for Title V Petitions | Learn More >