Public Notices

AIR QUALITY PROGRAM

PUBLIC NOTICE 

Gila River Sand & Gravel Santan Plant (Aggregate Mine and Hot Mix Asphalt Plant)

The Gila River Indian Community (GRIC) Department of Environmental Quality (DEQ) is announcing the 30-day public comment period for an air quality operating permit for the following facility:

 *    “Significant” means the following air pollutants have the potential to be emitted at quantities greater than one ton per year: NOx = Nitrogen Oxides;  VOC = Volatile Organic Compounds;  CO = Carbon Monoxide (CO);  SOx = Sulfur Oxides;  PM = Particulate Matter;  PM10 = PM <10 Microns; PM2.5 = PM <2.5 Microns;  HAPs = Hazardous Air Pollutants

Public Notice Start Date:       December 12, 2025

Public Notice End Date:        January 10, 2026

Public comments will be accepted in writing until the public notice end date, after which staff will review and respond to all the comments received.

Any person may submit a written comment or a request to the DEQ to conduct a public hearing for the purpose of receiving oral or written comments on the proposed air quality operating permits. Such comments and requests must be received by the DEQ within 30 days of the date of the first publication notice. A written comment shall state the name and mailing address of the person, shall be signed by the person, his agent or his attorney and shall clearly set forth reasons why the permit should or should not be issued. Grounds for comment are limited to whether the proposed permit meets the criteria for issuance prescribed in the GRIC Code: Title 17, Chapter 9 of the Air Quality Management Plan. Only persons who submit written comments may appeal a permit decision.

Copies of the proposed Permit and Technial Support Document are available below:

• Draft Air Permit
• Draft Technical Support Document

Requests and written comments may be delivered or mailed to:

Gila River Indian Community

Department of Environmental Quality

Attn: Ryan Eberle

Mailing Address: P.O. Box 2139, Sacaton, AZ 85147

Delivery Address: 124 Skill Center Rd., Sacaton, AZ 85147 (M-F / 8a-5p)

For further information or to schedule an in-person review, please contact Ryan Eberle at (520) 796-3781 / air@gric.nsn.us.