16December VIRTUAL PUBLIC HEARING | Notice of Proposed Rulemakings | Aquifer Water Quality Standards 11 a.m. - Online via GoToWebinar
16December VIRTUAL PUBLIC HEARING | Notice of Proposed Rulemaking | Voluntary Air Permits 1 p.m. - Online via GoToWebinar
18December Hybrid Public Hearing | Numeric Surface Water Quality Standards Update Rulemaking 1:30 p.m. - Online or at ADEQ, Conference Room 3175, 1110 W. Washington St., Phoenix, AZ 85007 ADEQ is holding a hybrid public hearing to receive comments on the proposed s
5December WEBINAR | Chlorination and Protecting Water Quality 8 a.m. – 12 p.m. - Online via GoToWebinar
5December VIRTUAL PUBLIC HEARING | 2025 Arizona Regional Haze Progress Report 3 p.m. - Online via GoToWebinar
20November VIRTUAL INFORMATIONAL MEETING | Aquifer Water Quality Standards Rulemaking 1 p.m. – 1:45 p.m. - Online via GoToWebinar
2December VIRTUAL PUBLIC HEARING | Advanced Water Purification Notice of Proposed Rulemakings 9 a.m. - Online via GoToWebinar
