PUBLIC NOTICE | Statewide Mercury Total Maximum Daily Load Report

Public Notice

COMMENT PERIOD EXTENDED — Statewide Mercury Total Maximum Daily Load Report

Revised On: Jul. 23rd, 2026 - 02:37 pm

On July 9, 2026, the comment period began for the Statewide Mercury Total Maximum Daily Load (TMDL) Report, which summarizes the TMDL development process for Arizona waters listed as impaired due to mercury and/or methylmercury. The comment period has been extended and now ends Sept. 23, 2026.

Review Documents:

Notice of Comment Period Extension | View Extension Notice >
Original Published Public Notice | View Notice >
Draft Statewide Mercury TMDL Report | View Document >
In person at ADEQ Record Center | Learn How >

Extended Public Comment Period:

Dates: July 9, 2026 – Sept. 23, 2026

Comments may be submitted as follows:

Online | Submit Comments >
By Email | Send Email >
By Mail (Must be postmarked or received by Sept. 23, 2026):

ADEQ
Water Quality Division, Surface Water
Attn: Clay Mansfield
1110 W. Washington St.
Phoenix, AZ 85007

Newly Posted Notices

ADEQ posts mandatory public notices in digital format on this webpage and a hard copy on the notice board located in the Phoenix Main Office lobby area | See Office Locations >

COMMENT PERIOD EXTENDED — Statewide Mercury Total Maximum Daily Load Report

Review Documents:

Extended Public Comment Period:

Comments may be submitted as follows:

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