ADEQ Public Notices
11/8/24 – Notice of Supplemental Proposed Rulemaking | Numeric Surface Water Quality Standards Update | View Details >
11/5/24 — Notice of Availability | WQARF Annual Registry Report | View Details >
11/5/24 — 2025 Arizona Regional Haze Progress Report | View Details >
11/1/24 — Notice of Proposed Rulemakings | Advanced Water Purification | View Details >
10/25/24 — AZPDES Permit Reissuance | Multi-Sector General Permit | View Details >
10/24/24 — State 401 Water Quality Certification | Regional General Permit 105 | View Details >
10/24/24 — Air Quality Renewal Permit | Apache Nitrogen Products, Inc. | View Details >
10/18/24 — Air Quality Permit Significant Revision | Drake Cement Manufacturing Plant | View Details >
10/16/24 — AZPDES Renewal Permit | Somerton Wastewater Treatment Plant | View Details >
10/9/24 — APP Permit Significant Amendment | Copperstone Gold Mine | View Details >
10/8/24 — AZPDES Renewal Permit | City of Mesa Northwest Water Reclamation Plant | View Details >
8/23/24 – Comment Period Extended — APP Permit Significant Amendment | South32 Hermosa Project | View Details >
8/8/24 – Comment Period Extended — Proposed Remedial Action Plan | East Central Phoenix 48th Street and Indian School Road WQARF Site | View Details >
ADEQ posts mandatory public notices in digital format on this webpage and hard copy notice boards located in the Phoenix Main Office and Southern Regional Office lobby areas | See Office Locations >