Total Maximum Daily Loads

Oregon Basin map

Basin/Subbasins

Columbia River  

 

Deschutes

  • Beaver-South Fork
  • Little Deschutes
  • Lower Crooked
  • Lower Deschutes
  • Trout
  • Upper Crooked
  • Upper Deschutes

Grande Ronde

  • Imnaha
  • Lower Grande Ronde
  • Upper Grande Ronde
  • Wallowa

John Day

  • Lower John Day
  • Middle Fork John Day
  • North Fork John Day
  • Upper John Day

Klamath

  • Sprague
  • Upper Klamath Lake
  • Upper Klamath and Lost River
  • Williamson

Malheur River

  • Malheur River Basin

Mid-Coast

  • Alsea
  • Siletz-Yaquina
  • Siltcoos
  • Siuslaw
  • Clear Lake

Middle Columbia-Hood Miles Creeks

  • Western Hood
  • Miles Creeks

North Coast/Lower Columbia

  • Lower Columbia-Clatskanie
  • Lower Columbia-Youngs
  • Necanicum
  • Nehalem
  • Wilson-Trask-Nestucca
 
  • Alvord Lake
  • Donner und Blitzen
  • Goose Lake
  • Guano, Nevada
  • Harney-Malheur Lake
  • Lake Albert
  • Silver
  • Silvies
  • Summer Lake
  • Thousand-Virgin
  • Upper Quinn
  • Warner Lakes
 

Owyhee (page coming soon)

  • Crooked-Rattlesnake Subbasin
  • East Little Owyhee Subbasin/South Fork Owyhee
  • Jordan Subbasin
  • Lower Owyhee Subbasin
  • Middle Owyhee Subbasin
  • Middle Snake-Succor Subbasin
 

Powder (page coming soon)

  • Brownlee Reservoir Subbasin
  • Burnt Subbasin
  • Powder Subbasin

Rogue

  • Applegate Subbasin
  • Illinois Subbasin
  • Lower Rogue Subbasin
  • Middle Rogue Subbasin
  • Upper Rogue Subbasin

Sandy  

 

Snake River/Hells Canyon 

 

South Coast

  • Chetco Subbasin
  • Coos Subbasin
  •  oquille Subbasin
  •  ixes Subbasin

Umatilla

  • Umatilla Subbasin
  • Walla Walla
  • Willow Creek Subbasin

Umpqua

  • North Umpqua Subbasin
  • South Umpqua Subbasin
  • Umpqua Subbasin

Willamette

  • Clackamas
  • Coast Fork Willamette
  • Columbia Slough Watershed
  • McKensie
  • Lower Santiam
  • Upper Santiam
  • Lower Willamette
  • Middle Willamette
  • Upper Willamette
  • Mollala Pudding
  • Tualatin
  • Yamhill