Arizona regulations
- Department of Environmental Quality - Safe Drinking Water: Final Expedited Rulemaking on Incorporation of Federal Regulations (R18-4-102, R18-4-107, R18-4-111, R18-4-117)July 3, 2026
Arizona Department of Environmental Quality updates safe drinking water rules to incorporate July 1, 2025 federal regulations (40 CFR 141 and 142), including Lead and Copper Rule Improvements; effective June 11, 2026.
- Department of Administration - State Procurement Office: Notice of Rulemaking Docket Opening for Expedited Procurement Rules (R2-7-101 et al.)