The following TMDLs have been approved by EPA, and appear on the Department's web site:
Upper Grande Ronde -- Temperature, Sediment, Nitrogen and Phosphorous -- May 3, 2000
Or. Admin. Code § 340-041-0154
Stat. Auth.: ORS 468.020, 468B.030, 468B.035 & 468B.048
Stats. Implemented: ORS 468B.030, 468B.035 & 468B.048