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Oregon State Report
Other states that contain this watershed:
Washington, Lower Columbia-Sandy Watershed

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Water Quality Data Available for this Watershed

Oregon, Lower Columbia-Sandy Watershed


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Search for a waterbody within Lower Columbia-Sandy
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Features

Listed Waters for Reporting Year 2002
Oregon, Lower Columbia-Sandy Watershed

Description of this table
NOTE: Click on the underlined "Waterbody Name" to view a Waterbody report.
Waterbody Name Waterbody ID Location Waterbody Type Size Units State TMDL Development Status
Beaver Creek OR1223828455410_0_8.3 Rivers and Streams miles
Bull Run River OR1222471454463_0_5 Rivers and Streams miles
Cedar Creek OR1222689454111_0_4.3 Rivers and Streams miles
Columbia River OR1240483462464_0_35.2 0 To 35.2 Miles River miles TMDL needed
Columbia River OR1240483462464_0_35.2 0 To 35.2 Miles River miles TMDL needed
Columbia River OR1240483462464_142_188.6 142 To 188.6 Miles River miles TMDL needed
Columbia River OR1240483462464_142_188.6 142 To 188.6 Miles River miles TMDL needed
Columbia River OR1240483462464_35.2_98 35.2 To 98 Miles River miles TMDL needed
Columbia River OR1240483462464_35.2_98 35.2 To 98 Miles River miles TMDL needed
Columbia River OR1240483462464_287.1_303.9 Rivers and Streams miles
Columbia River OR1240483462464_98_142 98 To 142 Miles River miles TMDL needed
Columbia River OR1240483462464_98_142 98 To 142 Miles River miles TMDL needed
Columbia River OR1240483462464_213.7_287.1 Rivers and Streams miles
Columbia River OR1240483462464_188.6_213.7 Rivers and Streams miles
Gordon Creek OR1222776454934_0_10.5 Rivers and Streams miles
Kelly Creek OR1223923455131_0_4.8 Rivers and Streams miles
Salmon River OR1220304453766_0_.9 Rivers and Streams miles
Sandy River OR1224071455697_0_29.5 Rivers and Streams miles
Unnamed Waterbody OR1221974453742_0_2.9 Rivers and Streams miles
Willamette River OR1227618456580_0_24.8 0 To 24.8 Miles River miles TMDL needed
Willamette River OR1227618456580_0_24.8 0 To 24.8 Miles River miles TMDL needed
Willamette River OR1227618456580_108_119.7 108 To 119.7 Miles River miles TMDL needed
Willamette River OR1227618456580_108_119.7 108 To 119.7 Miles River miles TMDL needed
Willamette River OR1227618456580_148.8_174.5 148.8 To 174.5 Miles River miles TMDL completed
Willamette River OR1227618456580_174.5_186.4 174.5 To 186.4 Miles River miles TMDL needed
Willamette River OR1227618456580_54.8_108 54.8 To 108 Miles River miles TMDL needed
Willamette River OR1227618456580_54.8_108 54.8 To 108 Miles River miles TMDL needed
Willamette River OR1227618456580_24.8_54.8 24.8 To 54.8 Miles River miles TMDL needed
Willamette River OR1227618456580_24.8_54.8 24.8 To 54.8 Miles River miles TMDL needed
Willamette River OR1227618456580_54.8_72 54.8 To 72 Miles River miles TMDL needed
Willamette River OR1227618456580_54.8_72 54.8 To 72 Miles River miles TMDL needed
Willamette River OR1227618456580_148.8_174.5 148.8 To 174.5 Miles River miles TMDL completed
Willamette River OR1227618456580_174.5_186.4 174.5 To 186.4 Miles River miles TMDL needed
Willamette River OR1227618456580_119.7_148.8 119.7 To 148.8 Miles River miles TMDL needed
Willamette River OR1227618456580_119.7_148.8 119.7 To 148.8 Miles River miles TMDL needed

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Causes of Impairment for Reporting Year 2002

Oregon, Lower Columbia-Sandy

Description of this table
Cause of Impairment Number of Causes Reported
Temperature 18
Mercury 7
Polychlorinated Biphenyls (PCBs) 7
DDE 6
Fecal Coliform 5
Arsenic 4
Biological Criteria 4
Dissolved Oxygen 4
Escherichia Coli (E. Coli) 4
Iron 4
Aldrin 3
DDT 3
Dieldrin 3
Polycyclic Aromatic Hydrocarbons (PAHs) (Aquatic Ecosystems) 2
Manganese 1
Pentachlorophenol (PCP) 1

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Cumulative TMDLs by Pollutant

Oregon, Lower Columbia-Sandy Watershed

This chart includes TMDLs since October 1, 1995.

Description of this table
NOTE: Click on the underlined "Number of TMDLs Completed" value to see a listing of those approved TMDLs for the pollutant.
Pollutant Number of TMDLs Completed Number of Causes of
Impairment Addressed
Temperature color.gif 11 11
Escherichia Coli (E. Coli) color.gif 9 9
Mercury color.gif 7 7
Dioxins color.gif 2 2
Total Dissolved Gas color.gif 2 2

Total: 31 TMDLs; 0 Causes of Impairment



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