On May 7, 2025, the comment period begins for the proposal to issue a Significant Revision Permit to Fisher Sand & Gravel Co. for the continued operation of the Mars Pit located in La Paz County, Arizona. The comment period ends June 5, 2025.

Permittee:

Fisher Sand & Gravel Co.

Facility:  

Fisher Sand & Gravel Co. – Mars Pit
Ehrenberg-Cibola Road
Latitude: 33.595705, Longitude: -114.481946
Ehrenberg, Arizona 85334
La Paz 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 (PM2.5), volatile organic compounds (VOCs), nitrogen oxides (NOX), 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 >  
• Permit Application | View >  
• In person at:
  • ADEQ Record Center | Learn How >
  • or at City of Yuma Clerk’s Office located at 1 City Plaza in Yuma, Arizona 85364

Public Comment Period:

Dates: May 7, 2025 – June 5, 2025

Comments may be submitted as follows:

•      By Email | Send Email >
•      By Mail (Must be postmarked or received by June 5, 2025):

ADEQ
Air Quality Division, Air Permits

Attn: Karla Murrieta

1110 W. Washington St.
Phoenix, AZ  85007