Washington State
Water Quality Atlas
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Map water quality data
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Marine
Freshwater
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305(b) report - includes 303(d) list
What is 303(d), 305(b)?
All Pollutants
1,2,4-Trichlorobenzene
1,2-Dichlorobenzene
1,2-Diphenylhydrazine
1,3-Dichlorobenzene
1,4-Dichlorobenzene
2,3,7,8-TCDD (Dioxin)
2,3,7,8-TCDD TEQ
2,4,6-Trichlorophenol
2,4-Dichlorophenol
2,4-Dimethylphenol
2,4-Dinitrophenol
2,4-Dinitrotoluene
2-Methylnaphthalene
2-Methylphenol
3,3'-Dichlorobenzidine
4,4'-DDD
4,4'-DDE
4,4'-DDT
4-Methylphenol
Acenaphthene
Acenaphthylene
Aldrin
Aldrin/Dieldrin
Alpha-BHC
Aluminum
Ammonia-N
Anthracene
Antimony
Arsenic
Arsenic, Inorganic
Bacteria
Benzene
Benzo(a)anthracene
Benzo(a)pyrene
Benzo(b)fluoranthene
Benzo(g,h,i)perylene
Benzo(k)fluoranthene
Benzofluoranthenes, Total (b+k+j)
Benzoic Acid
Benzyl Alcohol
Beta-BHC
Bioassessment
Bis(2-chloroethyl)ether
Bis(2-chloroisopropyl)ether
Bis(2-Ethylhexyl)phthalate
Butyl benzyl phthalate
Cadmium
Carbaryl
Chlordane
Chloride
Chlorinated Pesticides
Chlorine
Chlorothalonil
Chlorpyrifos
Chromium
Chrysene
Coarse Sediment
Copper
DDT (and metabolites)
Diazinon
Dibenzo(a,h)anthracene
Dibenzofuran
Dieldrin
Diethyl phthalate
Dimethyl phthalate
Di-n-butyl phthalate
Di-n-Octyl phthalate
Dioxin
Dissolved Oxygen
Endosulfan
Endosulfan I
Endosulfan II
Endosulfan Sulfate
Endrin
Endrin Aldehyde
Endrin Sulfate
Fine Sediment
Fish And Shellfish Habitat
Fluoranthene
Fluorene
Gamma-bhc (Lindane)
Heptachlor
Heptachlor Epoxide
Hexachlorobenzene
Hexachlorobutadiene
Hexachlorocyclohexane (Lindane)
Hexachlorocyclopentadiene
Hexachloroethane
High Molecular Weight Polycyclic Aromatic Hydrocarbons (HPAH)
Indeno(1,2,3-c,d)pyrene
Instream Flow
Invasive Exotic Species
Isophorone
Large Woody Debris
Lead
Low Molecular Weight Polycyclic Aromatic Hydrocarbons (LPAH)
Malathion
Mercury
Naphthalene
Nickel
Nitrobenzene
N-Nitrosodiphenylamine
Parathion
Pentachlorophenol
pH
Phenanthrene
Phenol
Polychlorinated Biphenyls (PCBs)
Pyrene
Sediment Bioassay
Selenium
Silver
Temperature
Tetrachloroethylene
Thallium
Total Chlordane
Total Dioxins
Total Dissolved Gas
Total Endosulfan
Total Furans
Total Nitrogen
Total Phosphorus
Toxaphene
Trichloroethylene
Turbidity
Water Column Bioassay
Zinc
303(d) list of impaired waters
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All Pollutants
Ammonia
Ammonia-N
Arsenic
Bacteria
Bioassessment
BOD5
Cadmium
CBOD
Chlorinated Pesticides
Chlorine
Copper
DDT
Dieldrin
DIN
Dioxin
Dissolved Oxygen
Fine Sediment
Lead
Mercury
PCB
pH
Phenol
Sediment Bioassay
SRP
Temperature
Total Dissolved Gas
Total Nitrogen
Total Phosphorus
TSS
Turbidity
Zinc
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Yakima River as viewed from Highway 821, by
Farwestern
Photo by Gregg M. Erickson -
Own work
,
CC BY 3.0
,
via Wikimedia Commons