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Washington Assessment Summary for Reporting Year 2008

Description of this table

	Size of Water
	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)	Ocean and Near Coastal (Square Miles)
Good Waters	406.6	147,874.2	175.7
Previously impaired waters       now attaining all uses
Threatened Waters
TMDL completed
TMDL alternative
Non-pollutant impairment
TMDL needed
Impaired Waters	1,590.9	316,656.0	200.2
TMDL completed			10.1
TMDL alternative			22.1
Non-pollutant impairment	39.1	50,727.0	38.6
TMDL needed	1,551.8	265,929.0	129.4
New TMDLs completed	12.3	.0	.0
Remaining TMDLs needed	1,539.5	265,929.0	129.4
Total Assessed Waters	1,997.4	464,530.2	375.9
Total Waters	70,439.0	249,277.0	Unavailable
Percent of Waters Assessed	2.8	186.4	Unavailable

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Summary of Water Quality Assessments for Each Waterbody Type
for Reporting Year 2008

Washington Assessed Waters
Summary of Water Quality Attainment for Rivers and Streams
Reporting Year 2008

Description of this table Assessed Status Miles Assessed 1,997.4 Unassessed 68,441.6 Total Miles 70,439.0

Description of this table Attainment Status Miles Good 406.6 Threatened .0 Impaired 1,590.9 Total Miles Assessed 1,997.4

Description of this table TMDL Development Status Miles All TMDLs completed 12.3 TMDL alternative .0 Non-pollutant impairment 39.1 TMDL needed 1,539.5 Total Threatened and Impaired 1,590.9

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Washington Assessed Waters
Designated Use Support for Rivers and Streams
Reporting Year 2008*

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table

Designated Use	Miles Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Designated Use	1,997.4	20.4	.0	79.6

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Washington Causes of Impairment
for Threatened and Impaired Rivers and Streams
Reporting Year 2008

Description of this table

Cause of Impairment	Cause of Impairment Group	Miles Threatened or Impaired
Temperature, Water	Temperature	783.6
Fecal Coliform	Pathogens	649.0
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	387.9
pH	pH/Acidity/Caustic Conditions	174.9
Instream Flow	Flow Alteration(s)	34.0
Polychlorinated Biphenyls (PCBs)	Polychlorinated Biphenyls (PCBs)	34.0
DDE	Pesticides	29.5
Fish Habitat	Habitat Alterations	22.6
DDT	Pesticides	18.2
Turbidity	Turbidity	12.9
Dieldrin	Pesticides	11.9
DDD	Pesticides	11.3
Total Dissolved Gas	Other Cause	11.0
Ammonia, Total	Ammonia	10.7
Invasive Exotic Species	Nuisance Exotic Species	9.6
Copper	Metals (other than Mercury)	8.7
Lead	Metals (other than Mercury)	8.6
Bioassessment	Cause Unknown - Impaired Biota	8.1
Zinc	Metals (other than Mercury)	7.9
2,3,7,8-Tetrachlorodibenzo-P-Dioxin (Only)	Dioxins	6.8
Dioxin (Including 2,3,7,8-TCDD)	Dioxins	6.3
Fine Sediment	Sediment	5.9
Arsenic	Metals (other than Mercury)	5.3
Chlorine	Chlorine	4.8
Mercury	Mercury	4.7
Chlordane	Pesticides	4.0
Chlorpyrifos	Pesticides	3.8
Endosulfan	Pesticides	3.0
Coarse Sediment	Sediment	2.6
Alpha-BHC	Pesticides	2.4
Large Woody Debris	Other Cause	2.2
Phosphorus, Total	Nutrients	2.1
Hexachlorobenzene	Pesticides	1.7
Diazinon	Pesticides	1.1
Silver	Metals (other than Mercury)	.7
Heptachlor Epoxide	Pesticides	.7
Aldrin	Pesticides	.6
Toxaphene	Pesticides	.5
Water Column Bioassay	Total Toxics	.4
Cadmium	Metals (other than Mercury)	.2

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Washington Probable Sources of Impairments
for Threatened and Impaired Rivers and Streams
Reporting Year 2008

No probable sources of impairments reported.

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Washington Assessed Waters
Summary of Water Quality Attainment for Lakes, Reservoirs, and Ponds
Reporting Year 2008

Description of this table Assessed Status Acres Assessed 464,530.2 Unassessed -215,253.2 Total Acres 249,277.0

Description of this table Attainment Status Acres Good 147,874.2 Threatened .0 Impaired 316,656.0 Total Acres Assessed 464,530.2

Description of this table TMDL Development Status Acres All TMDLs completed .0 TMDL alternative .0 Non-pollutant impairment 50,727.0 TMDL needed 265,929.0 Total Threatened and Impaired 316,656.0

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Washington Assessed Waters
Designated Use Support for Lakes, Reservoirs, and Ponds
Reporting Year 2008*

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table

Designated Use	Acres Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Designated Use	464,530.2	31.8	.0	68.2

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Washington Causes of Impairment
for Threatened and Impaired Lakes, Reservoirs, and Ponds
Reporting Year 2008

Description of this table

Cause of Impairment	Cause of Impairment Group	Acres Threatened or Impaired
Polychlorinated Biphenyls (PCBs)	Polychlorinated Biphenyls (PCBs)	76,036.0
Invasive Exotic Species	Nuisance Exotic Species	67,118.0
Temperature, Water	Temperature	60,000.0
Total Dissolved Gas	Other Cause	49,500.0
Dioxin (Including 2,3,7,8-TCDD)	Dioxins	49,261.0
Fecal Coliform	Pathogens	35,978.0
DDE	Pesticides	26,126.0
Phosphorus, Total	Nutrients	21,759.0
2,3,7,8-Tetrachlorodibenzo-P-Dioxin (Only)	Dioxins	21,394.0
Dieldrin	Pesticides	17,655.0
Mercury	Mercury	15,640.0
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	15,030.0
DDD	Pesticides	12,000.0
Chlordane	Pesticides	7,906.0
Sediment Bioassay	Total Toxics	6,320.0
pH	pH/Acidity/Caustic Conditions	4,550.0
DDT	Pesticides	4,500.0
Alpha-BHC	Pesticides	3,310.0
Aldrin	Pesticides	2,080.0
Toxaphene	Pesticides	1,651.0
Fish Habitat	Habitat Alterations	1,500.0
Zinc	Metals (other than Mercury)	1,500.0
Heptachlor	Pesticides	589.0
Lead	Metals (other than Mercury)	580.0
Ammonia, Total	Ammonia	242.0
Hexachlorobenzene	Pesticides	220.0
Nitrogen, Total	Nutrients	46.0

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Washington Probable Sources of Impairments
for Threatened and Impaired Lakes, Reservoirs, and Ponds
Reporting Year 2008

No probable sources of impairments reported.

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Washington Assessed Waters
Summary of Water Quality Attainment for Ocean and Near Coastal
Reporting Year 2008

Description of this table Pie chart not displayed because total size for Ocean and Near Coastal is unavailable. Assessed Status Square Miles Assessed 375.9 Unassessed Unavailable Total Square Miles Unavailable

Description of this table Attainment Status Square Miles Good 175.7 Threatened .0 Impaired 200.2 Total Square Miles Assessed 375.9

Description of this table TMDL Development Status Square Miles All TMDLs completed 10.1 TMDL alternative 22.1 Non-pollutant impairment 38.6 TMDL needed 129.4 Total Threatened and Impaired 200.2

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Washington Assessed Waters
Designated Use Support for Ocean and Near Coastal
Reporting Year 2008*

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table

Designated Use	Square Miles Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Designated Use	375.9	46.7	.0	53.3

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Washington Causes of Impairment
for Threatened and Impaired Ocean and Near Coastal
Reporting Year 2008

Description of this table

Cause of Impairment	Cause of Impairment Group	Square Miles Threatened or Impaired
Fecal Coliform	Pathogens	63.1
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	45.4
Invasive Exotic Species	Nuisance Exotic Species	35.0
Sediment Bioassay	Total Toxics	25.7
Polychlorinated Biphenyls (PCBs)	Polychlorinated Biphenyls (PCBs)	16.1
Cadmium	Metals (other than Mercury)	14.5
Copper	Metals (other than Mercury)	14.5
Zinc	Metals (other than Mercury)	14.5
Lead	Metals (other than Mercury)	14.5
Arsenic	Metals (other than Mercury)	14.1
Chromium, Total	Metals (other than Mercury)	13.7
Silver	Metals (other than Mercury)	13.3
Mercury	Mercury	12.1
Chrysene	Toxic Organics	10.5
Phenol	Toxic Organics	10.1
2,4-Dimethylphenol	Toxic Organics	10.1
o-Cresol (2-Methylphenol)	Toxic Organics	10.1
4-Methylphenol	Toxic Organics	10.1
Pentachlorophenol (PCP)	Toxic Organics	10.1
Fish Habitat	Habitat Alterations	9.6
High Molecular Weight Polycyclic Aromatic Hydrocarbons (HPAH)	Toxic Organics	9.6
Benzo[a]pyrene (PAHs)	Toxic Organics	8.8
Indeno[1,2,3-Cd]Pyrene	Pesticides	8.8
Low Molecular Weight Polycyclic Aromatic Hydrocarbons (LPAH)	Toxic Organics	8.8
Dibenz[a,h]anthracene	Toxic Organics	8.8
Naphthalene	Pesticides	8.4
Fluoranthene	Toxic Organics	8.4
Acenaphthene	Toxic Organics	8.4
Fluorene	Toxic Organics	8.4
Acenaphthylene	Toxic Organics	8.4
Benzo[a]anthracene	Toxic Organics	8.4
DEHP (Di-Sec-Octyl Phthalate)	Pesticides	8.4
Pyrene	Toxic Organics	8.4
Anthracene	Toxic Organics	8.4
Phenanthrene	Toxic Organics	8.4
Benzo[g,h,i]perylene	Toxic Organics	8.4
1,2,4-Trichlorobenzene	Toxic Organics	8.0
Hexachlorobenzene	Pesticides	8.0
Benzofluoranthenes Total (B+K+J)	Toxic Organics	8.0
Diethyl Phthalate	Toxic Organics	8.0
Dibutyl Phthalate	Pesticides	8.0
Bis(N-Octyl) Phthalate	Toxic Organics	8.0
P-Dichlorobenzene	Toxic Organics	8.0
Butyl Benzyl Phthalate	Toxic Organics	8.0
2-Methylnaphthalene	Pesticides	8.0
Hexachlorobutadiene	Toxic Organics	8.0
o-Dichlorobenzene	Toxic Organics	8.0
Dibenzofuran	Dioxins	8.0
Dimethyl Phthalate	Pesticides	8.0
N-Nitrosodiphenylamine	Toxic Organics	7.2
Benzoic Acid	Toxic Organics	6.4
Benzyl Alcohol	Toxic Organics	6.4
Dioxin (Including 2,3,7,8-TCDD)	Dioxins	1.2
Benzo[b]fluoranthene	Toxic Organics	.8
Ammonia, Total	Ammonia	.8
Benzo[k]fluoranthene	Toxic Organics	.8
Dieldrin	Pesticides	.4
DDT	Pesticides	.4
Chlorinated Pesticides	Pesticides	.4
Furan Compounds	Dioxins	.4

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Washington Probable Sources of Impairments
for Threatened and Impaired Ocean and Near Coastal
Reporting Year 2008

No probable sources of impairments reported.

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Washington Causes of Impairment for Reporting Year 2008

Description of this table

NOTE: Click on the underlined Cause of Impairment Group to see a list of specific state causes of impairment making up the Cause of Impairment Group.
Cause of Impairment Group	Size of Assessed Waters with Listed Causes of Impairment
	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)	Ocean and Near Coastal (Square Miles)
Ammonia	10.7	242.0	.8
Cause Unknown - Impaired Biota	8.1
Chlorine	4.8
Dioxins	13.1	70,655.0	9.2
Flow Alteration(s)	34.0
Habitat Alterations	22.6	1,500.0	9.6
Mercury	4.7	15,640.0	12.1
Metals (other than Mercury)	22.6	2,080.0	14.9
Nuisance Exotic Species	9.6	67,118.0	35.0
Nutrients	2.1	21,759.0
Organic Enrichment/Oxygen Depletion	387.9	15,030.0	45.4
Other Cause	13.2	49,500.0
Pathogens	649.0	35,978.0	63.1
Pesticides	37.9	45,089.0	10.1
pH/Acidity/Caustic Conditions	174.9	4,550.0
Polychlorinated Biphenyls (PCBs)	34.0	76,036.0	16.1
Sediment	8.4
Temperature	783.6	60,000.0
Total Toxics	.4	6,320.0	25.7
Toxic Organics			13.7
Turbidity	12.9

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Washington Probable Sources Contributing to Impairments
for Reporting Year 2008

No probable sources reported.

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Washington TMDL Alternatives by Cause of Impairment 2008

No TMDL Alternatives reported.

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Washington Previously Impaired Waters Now Attaining All Uses

No previously impaired waters reported as attaining all uses.

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Washington Causes of Impairment for 303(d) Listed Waters

Description of this table

NOTE: Click on a cause of impairment (e.g. pathogens) to see the specific state-reported causes that are grouped to make up this category. Click on the "Number of Causes of Impairment Reported" to see a list of waters with that cause of impairment.
Cause of Impairment Group Name	Number of Causes of Impairment Reported
Temperature	988
Pathogens	953
Organic Enrichment/Oxygen Depletion	731
pH/Acidity/Caustic Conditions	294
Pesticides	228
Polychlorinated Biphenyls (PCBs)	146
Toxic Organics	135
Metals (other than Mercury)	68
Dioxins	62
Nutrients	50
Other Cause	43
Mercury	30
Total Toxics	26
Turbidity	19
Ammonia	14
Cause Unknown - Impaired Biota	13
Sediment	9
Chlorine	3

Total: 3,812 Causes of Impairment

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Washington Cumulative TMDLs by Pollutant

This chart includes TMDLs since October 1, 1995.

Description of this table

NOTE: Click on the underlined "Pollutant" value to see associated listed waters for which a TMDL was developed. Click on the underlined "Number of TMDLs" value to see a listing of those TMDLs for the pollutant.
Pollutant	Number of TMDLs	Number of Causes of Impairment Addressed
Fecal Coliform	422	422
Temperature	297	298
Dissolved Oxygen	54	54
Total Dissolved Gas	46	46
Ammonia Nitrogen	39	39
Riparian Shade	39	39
Phosphorus	24	24
Biochemical Oxygen Demand (BOD)	22	22
DDT	22	28
Carbonaceous Bod	21	21
Inorganic Nitrogen	21	21
Suspended Sediment	20	27
Turbidity	13	13
Sediment	9	9
pH	9	9
4,4'-DDE	7	7
Zinc	6	6
Ammonia	5	5
Arsenic	5	5
Dieldrin	5	5
Lead	4	4
Mercury	4	4
Phosphorus, Total	4	4
4,4'-DDD	3	3
Polychlorinated Biphenyls (PCBs)	3	3
Total PCBs	3	3
4,4'-DDT	2	2
Chlorine	2	2
Copper	2	2
4-Methylphenol	1	1
Cadmium	1	1
Fecal	1	1
Large Woody Debris	1	1
PCB-1260	1	1
Phenol	1	1
Sediment Bioassay	1	1

Total: 1,120 TMDLs; 1,134 Causes of Impairment Addressed

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Washington Cumulative Number of TMDLs

EPA Fiscal Year starts October 1 and ends September 30.

Description of this table

NOTE: Click on the underlined "Number of TMDLs Completed" value for a detailed list of the TMDLs for the fiscal year.
Fiscal Year	Number of TMDLs	Number of Causes of Impairment Addressed
1996	51	51
1997	51	51
1999	24	24
2000	96	96
2001	23	24
2002	82	82
2003	108	108
2004	70	70
2005	196	196
2006	66	73
2007	244	250
2008	47	47
2009	62	62

Total: 1,120 TMDLs; 1,134 Causes of Impairment Addressed

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Washington Cumulative Number of TMDLs for Indian Country Waters

EPA Fiscal Year starts October 1 and ends September 30.

Description of this table

NOTE:Click on the underlined "Number of TMDLs" value for a detailed list of the TMDLs for the fiscal year.
Fiscal Year	Number of TMDLs	Number of Causes of Impairment Addressed
2004	6	17

Total: 6 TMDLs; 6 Causes of Impairment

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