Public Notice

AZPDES General Permits Modifications

To simplify implementation of the new Arizona Surface Water Protection Program (SWPP), ADEQ will modify the existing AZPDES General Permits (GPs) to extend coverage to state-listed waters. Finally, our goal is to have the modified permits finalized by mid-August. AZPDES General Permits for Modification: Construction General Permit  Multi Sector General Permit  Mining Multi Sector General …

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Proposed Reissuance of AZPDES De Minimis General Permit

Public Notice & 30-Day Public Comment Period ADEQ welcomes comments on the proposed reissuance of 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 permit AZG2016-001, which was issued on June 1, 2016, and expires on May 31, 2021. The comment …

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Preliminary Decision to Issue a State 401 Water Quality Certification of a Federal Action for the Sunnyside Exploratory Drilling Project

ADEQ intends to issue a State 401 water quality certification to¬†Arizona Standard LLC for the Sunnyside Exploratory Drilling project in Coronado National Forest. March 22, 2021 is the deadline for postmarked and received comments. View Public Notice > Additionally, for more information about CWA Section 401 State Water Quality Certifications visit azdeq.gov/CWA401. For more ADEQ …

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