Completed Rulemakings | Water Quality Division

ADEQ maintains a list of completed rulemakings for two years after their effective dates.

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 >

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

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