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Public Notice
Water Quality
Water Quality
General Event


UPDATE: On Aug. 15, 2023, the public comment period was extended a second time and now ends on Sept. 11, 2023.

On June 28, 2023, the comment period begins for the draft 2024 Clean Water Act Assessment. The 30-day comment period has been extended and ends on Aug. 28, 2023.

Public Notice Information

Arizona conducts a Clean Water Act Assessment every two years, determining if water quality standards throughout Arizona are being met.

Arizona's 2024 Clean Water Act Assessment | View/Download >

Appendices | Download Spreadsheet > 

Public Comment Period 

Dates: June 28, 2023 – Aug. 28, 2023

Comments may be submitted as follows:

     By Email | Send Email >   
     By Mail (Must be postmarked or received by Aug. 28, 2023):

       Surface Water Protection
       Attn: Jason Jones
       1110 W. Washington St.
       Phoenix, AZ 85007