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Public Notice
Water Quality

On June 1, 2021, ADEQ reissued an Arizona Pollutant Discharge Elimination System (AZPDES) general permit, authorizing De Minimis discharges to waters of the U.S. The proposed permit is intended to replace De Minimis general permit (DMGP) AZG2016-001, which was issued on June 1, 2016, and expired May 31, 2021.

To maintain coverage, all DMGP permittees must apply for a new NOI under the 2021 permit by July 30, 2021. There is a fee associated with the NOI application | Apply Now >

Review Documents

2021 AZPDES DMGP | View >

DMGP Fact Sheet | View >

Response to Comments | View >

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

AZPDES De Minimis General Permit Information | Learn More >