6/3/26 – Air Quality Permit Renewal | Glenbar Cotton Gin | View Details >
6/1/26 – Proposed AgBMP SIP Revision | West Pinal County PM10 Nonattainment Area | View Details >
5/27/26 – Air Quality Permit Revision Reopening | Apache Generating Station | View Details >
5/26/2026 – Proposed Designation | East Verde Estates Nitrogen Management Area | View Details >
5/21/26 – APP Amendment | City of Tucson – South Houghton Recharge Area Project | View Details >
5/21/2026 – State 401 Water Quality Certification | Roadrunner Prospectors’ Club Placer Mining | View Details >
5/20/26 – AZPDES Permit Renewal | Willow Beach National Fish Hatchery | View Details >
5/18/26 – Proposed Delegation Agreement | Town of Patagonia Open Burn Permit Issuance | View Details >
5/14/26 – Aquifer Protection Permit Amendment | Clear Springs Wastewater Treatment Plant | View Details >
5/13/26 – AZPDES Permit Renewal | Virgin River DWID Wastewater Treatment Plant | View Details >
5/13/26 – New Air Quality Permit | OTODIS Quartzsite Used Motor Oil Refinery | View Details >
5/12/26 – Proposed Annual Air Monitoring Network Plan for 2026 | View Details >
5/8/26 – Leaking UST Case Closure | Red Mesa Express #505 | View Details >
5/6/26 – State 401 Water Quality Certification | Construction of Second Bridge Crossing on Bridgewater Channel | View Details >
5/6/26 – State 401 Water Quality Certification | Fish Creek Sediment Control Structure Project | View Details >
5/6/26 – AZPDES Permit Modification | Patagonia Lake State Park Wastewater Treatment Plant | View Details >
5/5/26 – Aquifer Protection Permit Amendment | Picacho Water Reclamation Plant | View Details >
5/5/26 – Air Quality General Permit Renewal | Soil Vapor Extraction Units | View Details >
4/29/26 – Aquifer Protection Permit Amendment | Wishing Well Water Reclamation Facility | View Details >
4/27/26 – AZPDES Permit Renewal | Kay S. Blackman Wastewater Treatment Plant | View Details >
4/17/26 – Notice of Proposed Rulemaking | Transfer Facility Design and Operation | 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 >