PUBLIC NOTICE | Revised Stormwater Management Plan for Arizona Department of Transportation AZPDES MS4 Individual Permit

ADEQ issued a statewide Arizona Pollutant Discharge Elimination System (AZPDES) Small Municipal Separate Storm Sewer System (MS4) General Permit (AZS000018-2015) coverage to the following:


Arizona Department of Transportation (ADOT)


ADOT is subject to provisions of the Federal Clean Water Act and the requirements of the Arizona Pollutant Discharge Elimination System (AZPDES) program, pursuant to Arizona Revised Statutes (A.R.S) Title 49, Chapter 2, Article 3.1, and Arizona Administrative Code (A.A.C.) Title 18, Article 9.

The permit authorizes the discharge of stormwater from the MS4 to Waters of the U.S.  As part of the 2015 permitting requirements, ADOT was required to submit an updated Stormwater Management Plan (SWMP). ADEQ is accepting comments on ADOT’s revised SWMP.

Review Documents

Original Published Public Notice | View/Print >
Stormwater Management Plan | View >

Public Comment Period 

Dates: April 25, 2017 – May 25, 2017

Written comments must include the name, mailing address, signature of commenter and/or their agent or attorney.

Comments may be submitted as follows:
     By Email | Send Email > 
     By Mail (Must be postmarked or received by May 25, 2017):

       Jennifer Widlowski
       Water Quality Division
       1110 W. Washington Street, 5415A-1
       Phoenix, AZ  85007 

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