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AQD | Permit of Interest | Pinyon Plain Mine

Air Quality Permit of Interest

Pinyon Plain Mine

Posted on: May 8, 2024 -  10:30 p.m.

This permit of interest online resource provides interested parties easy access to information about the Pinyon Plain Mine, owned by Energy Fuels Resources (USA) Inc. (EFRI), formerly Canyon Mine.

Facility Information

Pinyon Plain Mine is a uranium mine owned by EFRI and located in Coconino County. 


The facility is located in north central Arizona, about 6 miles southeast of the Town of Tusayan in the Tusayan Ranger District of the Kaibab National Forest, approximately 9 to 15 miles south of the Grand Canyon.

Permitting Activity 

Class II Air Quality Permit Renewal (2021)

Facility Compliance Reports

  • Annual Soil Monitoring Report | View >
  • Quarterly Gamma Radiation Monitoring Report | View >
  • Annual NESHAP Subpart B Report | View >

Facility Archives 

Environmental Inspections and Enforcement:*

  • Air Permit Inspections | View >

*For older permits and documents, please submit a records request | Submit > 

Looking for water quality permits related to this facility? 

Pinyon Plain Mine also has water quality permits issued by ADEQ | View >

Agency Roles and Responsibilities | View >

Pinyon Plain Mine:

Energy Fuels Resources Page | View >

EPA Page  | View >

FWS  | View >

USFS Page | View >

AZ Department of Emergency Management and Military Affairs | View >

AZ Game & Fish | View >

AZ State Mine Inspector | View>

USGS Page(s) |  View >

• Perched Groundwater Well Data | View >

• Regional Groundwater Well Data | View >

• Uranium and Arsenic in Groundwater Mapper | View > 

• Water Quality Results | View > 

Publications: Science Decision Making on Uranium Mining in AZ | View >