9/24/26 – Aquifer Protection Permit Amendment | City of Goodyear SAT and VIP Recharge Facility | View Details >
9/23/26 – Total Maximum Daily Load | Upper Agua Fria Watershed | View Details >
9/22/26 – AZPDES Permit Renewal | Petro Stopping Center Wastewater Treatment Plant | View Details >
9/21/25 – AZPDES Permit Renewal | Havasu (Mark Wilmer) Pumping Plant | View Details >
9/18/26 – Total Maximum Daily Load | Upper Queen Creek Watershed | View Details >
9/15/26 – AZPDES Permit Reissuance | Pesticide General Permit | View Details >
9/14/26 — New Reclaimed Water Permit | Arizona State Prison Complex – Yuma | View Details >
9/10/26 – No Further Action | Kachina Cadillac VRP Site | View Details >
9/8/26 – Air Quality Permit Renewal | Woody Mountain Campus | View Details >
9/2/26 – AZPDES Permit Renewal | Town of Kearny Wastewater Reclamation Facility | View Details >
9/2/26 – Aquifer Protection Permit Amendment | Frito-Lay, Inc. Casa Grande Facility | View Details >
9/1/2026 – State 401 Water Quality Certifications | Roadrunner Prospectors’ Club Placer Mining Claims in Yavapai County | View Details >
8/28/26 – Air Quality Permit Renewal | Yuma Cogeneration Associates | View Details >
8/28/26 – Air Quality Permit Renewal | International Paper Company | View Details >
8/27/26 – Remedial Action Work Plan | Carefree Cleaners VRP Site | View Details >
8/26/26 – Air Quality Permit Revision | TQP Yuma Bioprocessing Facility | View Details >
8/26/26 – Air Quality Permit Renewal | BHP Copper Inc. – Miami Unit | View Details >
8/26/26 – New Aquifer Protection Permit | AEPCO Mohave Energy Park | View Details >
7/9/26 – COMMENT PERIOD EXTENDED | Statewide Mercury Total Maximum Daily Load Report | View Details >
6/25/26 – UPDATED – Aquifer Protection Permit Amendment | Pinyon Plain Mine | View Details >
5/26/26 – Proposed Designation | East Verde Estates Nitrogen Management Area | View Details >
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 >