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Lower Columbia-Sandy River Subbasin QAPP Map
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TMDL Project Scope
Heat Source Temperature Model Extent (New Models)
Heat Source Temperature Model Extent
Model Calibration Sites
Model Temperature Boundary Conditions and Tributary Inputs
Model Flow Boundary Conditions and Tributary Inputs
Stream Temperature Stations
Stream Flow Stations
Effective Shade Measurement Sites
Meteorological Stations
Individual NPDES Point Sources
General NPDES Point Sources (GEN01, GEN03, GEN04, GEN05, GEN19, or GEN40)
HUC8
HUC10
HUC12
2022 303(d) Temperature Listed - Streams (Spawning Criteria)
2022 303(d) Temperature Listed - Streams (Year Round Criteria)
2022 303(d) Temperature Listed - Waterbodies (Year Round Criteria)
2022 303(d) Temperature Listed - Watershed (Spawning Criteria)
2022 303(d) Temperature Listed - Watershed (Year Round Criteria)
Fish Use Designations
Salmon and Steelhead Spawning Use Designations
Land Ownership or Jurisdiction
Stream Names (USGS NHD)
Oregon Imagery
Leaflet
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contributors, This data set was assembled by the Oregon Department of Environmental Quality, Water Quality Assessment Program.
