Oregon Administrative Rules
Chapter 340 - DEPARTMENT OF ENVIRONMENTAL QUALITY
Division 41 - WATER QUALITY STANDARDS: BENEFICIAL USES, POLICIES, AND CRITERIA FOR OREGON
Section 340-041-0344 - Approved TMDLs in the Basin

Universal Citation: OR Admin Rules 340-041-0344
Current through Register Vol. 63, No. 3, March 1, 2024

The following TMDLs have been approved by EPA, and appear on the Department's web site:

Columbia Slough -- Bacteria, Dissolved Oxygen, Chlorophyll a, pH, lead, PCBs, Dieldrin, Dioxin, DDE/DDT, and Phosphorus -- November 25, 1998

Pudding -- Ammonia and BOD -- October 18, 1993

Rickreall Creek -- BOD -- April 18, 1994

Tualatin -- Temperature, Bacteria, Dissolved Oxygen, Settleable Volatile Solids, Ammonia, Chlorophyll a, pH and Phosphorus -- August 7, 2001

Yamhill -- Phosphorus -- December 8, 1992

Willamette -- Dioxin -- February 25, 1991

Willamette Coast Fork -- Ammonia and Phosphorus -- May 17, 1996

Stat. Auth.: ORS 468.020, 468B.030, 468B.035 & 468B.048

Stats. Implemented: ORS 468B.030, 468B.035 & 468B.048

Disclaimer: These regulations may not be the most recent version. Oregon may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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