On Nov. 5, 2025, the public comment period begins for the decision to issue a State 401 Water Quality Certification to the United States Army Corps of Engineers for the 2026 Nationwide Permits Reissuance for all of Arizona. The comment period ends on Dec. 8, 2025.

Applicant: 

United States Army Corps of Engineers

Project Name: 

2026 Nationwide Permits Reissuance

Project Location: 

State of Arizona on non-Tribal Lands

Review Documents:

• Original Published Public Notice | View Notice > 
• Draft Clean Water Act 401 Certification | View >  
• In person at ADEQ Record Center | Learn How >

Public Comment Period:

Dates: Nov. 5, 2025 – Dec. 8, 2025

Comments may be submitted as follows:

• By Email | Send Email > 
• By Mail (Must be postmarked or received by Dec. 8, 2025):
        ADEQ
        Water Quality Division, Groundwater Section
        Attn: Rosi Sherrill
        1110 W. Washington St.
        Phoenix, AZ  85007