On May 30, 2025, the comment period begins for the proposal to issue an Arizona Pollution Discharge Elimination System (AZPDES) renewal permit to Freeport-McMoRan Bagdad, Inc. for the Bagdad Mine located in Yavapai County, Arizona. The comment period ends June 30, 2025.

AZPDES Permit No.: AZ0022268

Permittee: 

Freeport-McMoRan Bagdad, Inc.

Facility: 

Freeport-McMoRan Bagdad Mine
1 Main Street
Bagdad, Arizona 86321
Yavapai County

Freeport-McMoRan Bagdad, Inc. applied for a renewal AZPDES permit for the proposed discharge of stormwater mixed with tailing reclaim water, mine process water, and mine drainage from the Bagdad Mine. The facility is a copper and molybdenum mine. Discharges are only expected to occur during extreme and/or compounding storm events. Discharges will be to Mulholland Wash (tributary to Boulder Creek) and Mammoth Wash (tributary to Burro Creek) in Yavapai County.

Review Documents:

• Original Published Public Notice | View > 
• Draft Permit | View >  
• Draft Fact Sheet | View >  
• In person at ADEQ Record Center | Learn How >

Public Comment Period:

Dates: May 30, 2025 – June 30, 2025

Comments may be submitted as follows:

•      By Email | Send Email >
•      By Mail (Must be postmarked or received by June 30, 2025):

ADEQ
Water Quality Division, Surface Water Protection
Attn: Rachel Heinz
1110 W. Washington St.
Phoenix, AZ  85007