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

Notes

Or. Admin. R. 340-041-0344

DEQ 17-2003, f. & cert. ef. 12-9-03

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

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