COMMENT PERIOD BEGINS | Proposed 401 State Water Quality Certification for ADOT Project in Phoenix

On May 13, 2022, the public comment period begins for the decision to issue a State 401 Water Quality Certification to the Arizona Department of Transportation (ADOT) for the I-10, I-17 (Split) to SR202L (Santan) Improvement Project in Phoenix, Arizona. The comment period ends on June 13, 2022.

Public Notice Information

Pursuant to the Clean Water Act (CWA) Section 401 and in accordance with Arizona Administrative Code R18-1-401, the ADEQ Director intends to issue a State 401 Water Quality Certification to the following applicant:

Applicant Information

ADOT, 2140 W. Hilton Ave., Phoenix, AZ 85009

Project Name: I-10, I-17 (Split) to SR202L (Santan) Improvement Project

Project Location: Phoenix, AZ

ADEQ LTF No.: 94357

Review Documents

Original Published Public Notice | View/Download >
Draft Clean Water Act 401 Certification | View/Download >

You may also review the above documentation in person at the ADEQ Record Center | Learn How >

Public Comment Period 

Dates: May 13, 2022 – June 13, 2022

Comments may be submitted as follows:
     By Email | Send Email > 
     By Mail (Must be postmarked or received by June 13, 2022):

       ADEQ
       Rosi Sherrill
       Surface Water Section Project Manager
       1110 W. Washington St.
       Phoenix, AZ  85007