Or. Admin. R. 340-041-0344 - Approved TMDLs in the Basin:
Current through Register Vol. 60, No. 12, December 1, 2021
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
The following state regulations pages link to this page.
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