PUBLIC NOTICE | COMMENT PERIOD EXTENDED | Proposed Reissuance of Multi-Sector General Permit (MSGP) for Stormwater Discharges Associated with Industrial Activities

ADEQ is proposing to reissue an Arizona Pollutant Discharge Elimination System (AZPDES) general permit, authorizing stormwater discharges associated with industrial activities to waters of the U.S.  The proposed permits are intended to replace permits AZMSG2010-002 and AZMSG2010-003. These permits are issued pursuant of the Federal Clean Water Act, in compliance with State statutes and rules. The permit covers discharges from the 29 specified industrial sectors that have stormwater discharges associated with industrial activities within Arizona, except for Indian Country.

Review Documents

Original Published Public Notice | View >
Comment Period Extension Public Notice | View >

Industrial MSGP

Mining MSGP

Documents are also available for review at ADEQ's Records Center | Learn More > 

Comment Period (EXTENDED)

Nov. 29, 2018 – Jan. 28, 2019

You can submit comments by one of the following:


Comment on Industrial MSGP >
Comment on Mining MSGP >

By Email:

Send Email > 

By Mail:

Must be postmarked or received no later than Jan. 28, 2019
Attn: Christopher Henninger
1110 W. Washington St.
Phoenix, AZ 85007

Public Hearing

A public hearing will be held Jan. 7, 2019, at:

Time: 10 a.m
ADEQ Phoenix Office 
1110 W. Washington St.
Phoenix, AZ 85007

Additional Stakeholder Meetings

The following meetings will be held for stakeholder input:

Date: Friday, Jan. 18, 2019
Time: 9 a.m.
Location: ADEQ Phoenix Office, Room 145

Join by phone: 240-454-0879; Access code: 805 491 367
Join Webex Meeting >
Meeting password: z3rTjRJB

Date: Friday, Jan. 25, 2019
Time: Noon
ADEQ Phoenix Office, Room 145
Remote access info TBA