Oregon Administrative Rules
Chapter 340 - DEPARTMENT OF ENVIRONMENTAL QUALITY
Division 41 - WATER QUALITY STANDARDS: BENEFICIAL USES, POLICIES, AND CRITERIA FOR OREGON
Section 340-041-0310 - Basin-Specific Criteria (Umatilla): Beneficial Uses to Be Protected in the Umatilla Basin
Current through Register Vol. 63, No. 3, March 1, 2024
[Note: The amended beneficial uses designated in this rule, adopted by the Environmental Quality Commission on November 16, 2023, are not applicable for Clean Water Act purposes until approved by the U.S. EPA. For applicable uses prior to EPA approval see "Beneficial Uses of Oregon's Waters" on DEQ's Water Quality Standards website (https://www.oregon.gov/deq/wq/Pages/WQ-Standards-Uses.aspx).]
(1) Water quality in the Umatilla Basin (see Figure 1) must be managed to protect the designated beneficial uses shown in Table 310A (January 2015).
(2) Designated fish uses to be protected in the Umatilla Basin are shown in Figures 310A, 310B, 310C and 310D (October 2023, except as noted in Table 310A).
(3) For purpose of protecting active resident trout spawning areas, as required by OAR 340-041-0016 (1):
[NOTE: View a PDF of Figures and Tables by clicking on "Tables" link below.]
To view attachments referenced in rule text, click here to view rule.
Statutory/Other Authority: ORS 468.020, 468B.030, 468B.035 & 468B.048
Statutes/Other Implemented: ORS 468B.030, 468B.035 & 468B.048