< RETURN TO Public Notices
Public Notice

AZPDES General Permit Reissuance | Small Municipal Separate Storm Sewer Systems

Posted On: Jun. 19th, 2026 - 04:57 pm

On June 22, 2026, the comment period begins for the proposal to reissue the Arizona Pollutant Discharge Elimination System (AZPDES) General Permit for Small Municipal Separate Storm Sewer Systems (Phase II MS4s) within Arizona. The comment period ends July 22, 2026.

Learn about Phase II MS4s | Visit Page >

Review Documents:

Public Comment Period:

Dates: June 22, 2026 – July 22, 2026

Comments may be submitted as follows:

  •      By Email | Send Email >
  •      By Mail (Must be postmarked or received by July 22, 2026):

ADEQ
Water Quality Division, Surface Water Protection Permits
Attn: Juliana Lewis

1110 W. Washington St.
Phoenix, AZ  85007

Newly Posted Notices

Looking for a Public Notice?

View New Public Notices

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 >