Final Rule | Water Quality Division

Surface Water Quality Standards (18 Arizona Administrative Code 11, Article 1)

Summary:
The Clean Water Act requires that Arizona establish surface water quality standards and review them every three years. This review process is known as the triennial review. ADEQ recently underwent a triennial review of its surface water quality standards and modified various rules in Title 18, Chapter 11, Article 1 | View Triennial Review Rulemaking Page >

Docket Opening:
Friday, Feb. 1, 2019
Rule: 25 AAR 273 | View/Download >

Proposed Rulemaking:
Friday, Feb. 1, 2019
Rule: 25 AAR 177 | View/Download >

Public Hearing:
Date: Thursday, March 28, 2019
Time: 9:30 a.m.
Location: ADEQ, Room 3175
                  1110 W. Washington St.
                  Phoenix, AZ 85007

Close of Comment Period:
Date: Thursday, March 28, 2019

Final Rulemaking:
Filed Tuesday, Sept. 10, 2019
Notice of Final Rulemaking | View > 
Notice of Public Information Regarding Corrected Effective Date | View >

Effective Date:
Nov. 9, 2019

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