COMMENT PERIOD BEGINS | Proposal to Issue Air Quality Permit Reopening for the Coronado Generating Station in Apache County

On Aug. 4, 2022, the public comment period begins for the proposal to issue Permit Reopening Number 95095, which reopens Air Quality Control Renewal Permit Number 89460 to address directions to ADEQ in Order Number OAR-22-000-4700 from the EPA. The permit is being issued to Salt River Project for Coronado Generating Station, a coal-fired power plant located in Apache County. The public comment period ends on Sept. 6, 2022.

Public Notice Information

The permit conditions that were changed in this reopening are Condition II.C.4 of Attachment E and the citations for all permit conditions in Attachment E. The facility is subject to the requirements of the Federal Clean Air Act, Code of Federal Regulations, Arizona Revised Statute 49-426, and the Arizona Administrative Code, Title 18, Chapter 2. The facility emits the following air contaminants: particulate matter no larger than 10 microns (PM10), particulate matter no larger than 2.5 microns (PM2.5), nitrogen oxides (NOX), sulfur dioxide (SO2), carbon monoxide (CO), volatile organic compounds (VOCs), hazardous air pollutants (HAPs) and greenhouse gases (GHGs).


Salt River Project (SRP)

Facility Location

Coronado Generating Station
Six miles northeast of St. Johns, Arizona, off U.S. Hwy 191

Permit Type

Class I Air Quality Permit

Review Documents

Original Published Public Notice | View >
Draft Permit | View >
Draft Technical Support Document | View >
EPA Order | View >

You may also review the above documentation in person at the ADEQ Record Center | Learn How >

Public Comment Period 

Dates: Aug. 4, 2022 – Sept. 6, 2022

Comments may be submitted as follows:
     Email | Send Email >  
     Mail (Must be postmarked or received by Sept. 6, 2022):

       David Kim
       Facilities Emissions Control Section
       1110 W. Washington St.
       Phoenix, AZ  85007

     At the Virtual Public Hearing | Sept. 6, 2022, 6 p.m. | Register via GoToWebinar to Comment >
For those who wish to listen only | Call 631-992-3221
                                                                                  Attendee Code: 562-677-251

You may comment on only those permit conditions that are being amended in this permitting action and the associated technical support document.

EPA Petition Process

This permit is subject to review by the Environmental Protection Agency (EPA) pursuant to 40 CFR 70.8 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 >