On Oct. 14, 2022, the public comment period begins for the decision to issue a State 401 Water Quality Certification to National Park Service, Grand Canyon National Park, for the Trans-Canyon Water Distribution Pipeline in Coconino County, Arizona. The comment period ends on Nov. 14, 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:
National Parks Service, Grand Canyon National Park
Project Name: Trans-Canyon Water Distribution Pipeline
Project Location: Coconino County, Grand Canyon National Park
ADEQ LTF No.: 96416
You may also review the above documentation in person at the ADEQ Record Center | Learn How >
Public Comment Period
Dates: Oct. 14, 2022 – Nov. 14, 2022
Comments may be submitted as follows:
By Email | Send Email >
By Mail (Must be postmarked or received by Nov. 14, 2022):
Surface Water Section Project Manager
1110 W. Washington St.
Phoenix, AZ 85007