Skip common site navigation and headers
United States Environmental Protection Agency
Total Maximum Daily Loads
Begin Hierarchical Links EPA Home > Water > Wetlands, Oceans, & Watersheds > TMDLs > TMDL Reports End Hierarchical Links

1998 Section 303(d) List Fact Sheet for WASHINGTON


List Status
APPROVED/DISAPPROVED by EPA on AUG-24-1999.

Click here to see metadata for this report.

Waters Listed by Waterbody Type

NOTE: Click on the underlined "Number of Waters on List" value to see a listing of those waters.
Waterbody Type Number of Waters on List
STREAM/CREEK/RIVER color.gif 1116
ESTUARY color.gif 142
LAKE/RESERVOIR/POND color.gif 65
NOT REPORTED color.gif 3
UNKNOWN color.gif 1
Total Number of Impaired Waters Reported: 1,327

Waters Listed by Watershed

NOTE: Click on the underlined "Watershed Name" to view a Watershed report. Click on the underlined "Number of Waters on List" value to see a listing of those waters.
Watershed Name Number of Waters on List Percent of Reported
Puget Sound color.gif 192 14.47
Hood Canal color.gif 78 5.88
Not Reported color.gif 75 5.65
Lake Washington color.gif 71 5.35
Nooksack color.gif 61 4.60
Duwamish color.gif 57 4.30
Upper Yakima color.gif 50 3.77
Lower Columbia-Sandy color.gif 49 3.69
Lower Skagit color.gif 40 3.01
Hoh-Quillayute color.gif 39 2.94
Stillaguamish color.gif 38 2.86
Upper Chehalis color.gif 32 2.41
Lower Yakima Washington color.gif 31 2.34
Palouse color.gif 31 2.34
Snohomish color.gif 27 2.03
Strait Of Georgia color.gif 26 1.96
Willapa Bay color.gif 25 1.88
Franklin D. Roosevelt Lake color.gif 24 1.81
Naches color.gif 24 1.81
Colville color.gif 23 1.73
Puyallup color.gif 22 1.66
Wenatchee color.gif 20 1.51
Lower Columbia-Clatskanie color.gif 20 1.51
Lower Crab color.gif 17 1.28
Upper Columbia-Priest Rapids color.gif 15 1.13
Okanogan color.gif 13 .98
Dungeness-Elwha color.gif 13 .98
Middle Columbia-Lake Wallula color.gif 12 .90
Lower Spokane color.gif 11 .83
Middle Columbia-Hood color.gif 11 .83
Lower Cowlitz color.gif 11 .83
Skykomish color.gif 11 .83
Deschutes color.gif 11 .83
Pend Oreille color.gif 10 .75
Methow color.gif 10 .75
Upper Columbia-Entiat color.gif 10 .75
Crescent-Hoko color.gif 10 .75
Nisqually color.gif 10 .75
Lewis color.gif 9 .68
Snoqualmie color.gif 9 .68
Upper Spokane color.gif 8 .60
Lower Columbia color.gif 8 .60
Klickitat color.gif 8 .60
Little Spokane color.gif 7 .53
Kettle color.gif 7 .53
Lower Snake color.gif 7 .53
Walla Walla color.gif 7 .53
Chief Joseph color.gif 7 .53
Upper Cowlitz color.gif 6 .45
Skokomish color.gif 6 .45
Hangman color.gif 5 .38
Sanpoil color.gif 5 .38
Lower Chehalis color.gif 5 .38
Lake Chelan color.gif 4 .30
Grays Harbor color.gif 4 .30
Lower Snake-Tucannon color.gif 3 .23
Queets-Quinault color.gif 3 .23
Upper Crab color.gif 2 .15
Lower Snake-Asotin color.gif 2 .15
Rock color.gif 1 .08
San Juan Islands color.gif 1 .08
Upper Skagit color.gif 1 .08
Sauk color.gif 1 .08
Total Number of Impaired Waters Reported: 1,327
Click on the map above for an interactive Enviromapper session!

Impairments

NOTE: Click on the underlined "Impairments Reported" value to see a listing of those waters with the impairment. Click on the underlined "General Impairment Name" to see the detailed state reported impairment names.
General Impairment Name Impairments Reported Percent of Reported
PATHOGENS color.gif 572 26.05
THERMAL MODIFICATIONS color.gif 458 20.86
ORGANIC ENRICHMENT/LOW DO color.gif 229 10.43
PRIORITY ORGANICS color.gif 219 9.97
METALS color.gif 165 7.51
PH color.gif 125 5.69
PESTICIDES color.gif 99 4.51
PCBS color.gif 73 3.32
OTHER HABITAT ALTERATIONS color.gif 56 2.55
FLOW ALTERATION color.gif 46 2.09
OTHER CAUSE color.gif 37 1.68
BIOLOGICAL CRITERIA color.gif 28 1.28
NUTRIENTS color.gif 24 1.09
OTHER INORGANICS color.gif 15 .68
UNIONIZED AMMONIA color.gif 14 .64
DIOXINS color.gif 12 .55
TURBIDITY color.gif 11 .50
SEDIMENT/SILTATION color.gif 9 .41
SUSPENDED SOLIDS color.gif 2 .09
EXOTIC SPECIES color.gif 1 .05
CHLORINE color.gif 1 .05
Total Number of Impairments Reported: 2,196

Impairment Priorities

NOTE: Click on the underlined "Impairments Reported" value to see a listing of those waters with that impairment priority.
Priority Impairments Reported Percent of Reported
NOT REPORTED color.gif 2196 100.00
Total Number of Impairments Reported: 2,196

Approved TMDLs by Pollutant since January 1, 1996

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 Approved" value to see a listing of those approved TMDLs for the pollutant. EPA is in the process of collecting TMDL information from the states. Because these efforts are on-going, there may be additional approved TMDLs that were not included in the listings below.
Pollutant Number of TMDLs Approved Percent of Reported
FECAL COLIFORM color.gif 192 37.65
RIPARIAN SHADE color.gif 70 13.73
TOTAL DISSOLVED GAS color.gif 41 8.04
AMMONIA-NITROGEN color.gif 39 7.65
TEMPERATURE color.gif 25 4.90
DISSOLVED OXYGEN color.gif 23 4.51
BOD color.gif 22 4.31
CBOD color.gif 21 4.12
DDT color.gif 13 2.55
TURBIDITY color.gif 13 2.55
SEDIMENT color.gif 9 1.76
ZINC color.gif 6 1.18
ARSENIC color.gif 5 .98
AMMONIA color.gif 5 .98
DIELDRIN color.gif 4 .78
LEAD color.gif 4 .78
PHOSPHORUS color.gif 3 .59
COPPER color.gif 2 .39
CHLORINE color.gif 2 .39
TOTAL PHOSPHORUS color.gif 2 .39
4,4'-DDE color.gif 2 .39
PCBS color.gif 1 .20
PHENOL color.gif 1 .20
SEDIMENT BIOASSAY color.gif 1 .20
LARGE WOODY DEBRIS color.gif 1 .20
4-METHYLPHENOL color.gif 1 .20
MERCURY color.gif 1 .20
CADMIUM color.gif 1 .20
Total Number of TMDLs Reported to EPA since January 1, 1996: 510

Approved TMDLS by EPA Fiscal Year (October 1 through September 30) since October 1, 1995

Fiscal Year Number of TMDLs Approved Percent Approved
1996 color.gif 51 10.00
1997 color.gif 51 10.00
1999 color.gif 24 4.71
2000 color.gif 96 18.82
2001 color.gif 23 4.51
2002 color.gif 82 16.08
2003 color.gif 108 21.18
2004 color.gif 70 13.73
2005 color.gif 5 .98


TMDL Document Search

Full Text Search of TMDL Documents is available here.
External Links
The following agencies may also have relevant environmental information:
U. S. Geological Survey Data Exiting EPA Website
Washington Department of Ecology Exiting EPA Website
EPA Region 10 Office of Water Exiting EPA Website

 

Water | Wetlands, Oceans & Watersheds | Watershed Protection

 
Begin Site Footer

EPA Home | Privacy and Security Notice | Contact Us