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EPA Approved and Issued TMDLs in EPA Region 10

This website contains all EPA-approved TMDLs that have been submitted to EPA by the states of Oregon, Washington, Alaska and Idaho, as well as those TMDLs that have been issued by EPA or jointly issued by EPA and the state.

You will need Adobe Acrobat Reader, available as a free download, to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Acrobat Reader.

Waterbody	Pollutants	Date Issued by EPA	TMDL
Akutan Harbor	dissolved oxygen	2/12/95	Akutan Harbor DO TMDL (pdf file, 3434 Kb, 51 pgs)
Akutan Harbor	residue	2/12/95	Akutan Residue TMDL (pdf file, 2284 Kb, 24 pgs) TMDL Appendix (pdf file, 3438Kb, 14 pgs)
Birch Creek	turbidity	10/10/96	Birch Creek TMDL (pdf file, 2775 Kb, 31 pgs) Appendix (pdf file, 2990 Kb, 41 pgs)
Duck Creek	turbidity	12/17/99	Duck Creek Turbidity TMDL (pdf file, 352 Kb, 46 pgs)
Duck Creek	residue/debris	9/25/00	Duck Creek Debris TMDL (pdf file, 110Kb, 22 pgs)
Duck Creek	fecal coliform	12/20/00	Duck Creek Fecal TMDL (pdf file, 196 Kb, 33 pgs)
Duck Creek	dissolved oxygen and iron	10/15/01	Duck Creek DO/Fe TMDL (pdf file, 1024 Kb, 63 pgs)
Eagle River	ammonia, metals (copper, lead, silver and chlorine)	4/12/95	Eagle River TMDL (pdf file, 1085 Kb, 10 pgs)
Garrison Slough	PCBs	9/27/96	Garrison Slough TMDL (pdf file, 2362 Kb, 16 pgs)
Jewel Lake	fecal coliform	9/30/97	Jewel Lake TMDL (pdf file, 1651 Kb, 20 pgs)
King Cove	residues	10/9/98	King Cove Residues TMDL(pdf file, 117 Kb, 24 pgs)
Lake Hood-Spenard	fecal coliform	9/97	Lake Hood-Spenard TMDL (pdf file, 2323 Kb, 25 pgs)
South Unalaska Bay	residue	2/12/95	South Unalaska Bay Residue TMDL (pdf file, 2380 Kb, 24 pgs)
South Unalaska Bay	dissolved oxygen	2/12/95	South Unalaska Bay DO TMDL (pdf file, 3562 Kb, 35 pgs) Appendix (PDF file, 3438 Kb, 41 pgs)
Udagak Bay	residues	10/9/98	Udagak residues TMDL (pdf file, 109 Kb, 26 pgs)
Ward Cove	dissolved oxygen (surface layer)	5/27/94	Ward Cove Water Quality Assessment (pdf file, 2316 Kb, 46 pgs) Ward Cove DO TMDL (pdf file, 34 Kb, 7 pgs)

Waterbody	Pollutants	Date Issued by EPA	TMDL
Columbia River Basin/Snake River	Dioxin	2/25/91	Columbia River Dioxin TMDL (pdf file, 4742 Kb, 41 pgs)
Clearwater River, South Fork Subbasin	Sediment, temperature, nutrients, dissolved oxygen, bacteria	8/23/04	Clearwater River, South Fork Subbasin TMDL
Winchester Lake and Upper Lapwai Creek	Sediment, Temperature, Nutrients, Pathogens	March 1999	Winchester Lake and Upper Lapwai Creek TMDL
Cottonwood Creek	Sediment, Temperature, Nutrients, Dissolved Oxygen, Pathogens, Ammonia	6/6/00	Cottonwood Creek TMDL
Jim Ford Creek	Sediment, Temperature, Nutrients, Dissolved Oxygen, Pathogens, Ammonia	6/6/00	Jim Ford Creek TMDLs
Lake Creek (on the Coeur d'Alene Reservation)	Sediment	9/14/05	Coeur d'Alene Tribal TMDLs (including Lake Creek)
Coeur d'Alene River Basin	Dissolved Cadmium, Lead, Zinc	8/14/00	Coeur d'Alene Metals TMDLs

Waterbody	Pollutants	Date Issued by EPA	TMDL
Umatilla Tribal TMDL	Temperature and Turbidity	9/28/05	Umatilla Tribal TMDL (pdf file, 6903Kb, 151 pages)
Columbia River Basin/Snake River	Dioxin	2/25/91	Columbia River Dioxin TMDL (pdf file, 4742 Kb, 41 pgs)

Waterbody	Pollutants	Date Issued by EPA	TMDL
Mid-Columbia River and Lake Roosevelt	Total Dissolved Gas	7/28/04	Mid-Columbia River and Lake Roosevelt TMDL
Lower Similkakeen River	Arsenic	2/17/04	Lower Simikakeen River TMDL
Chambers Creek	Copper	2/14/99	Contact Laurie Mann (mann.laurie@epa.gov) or (206) 553-1583
Columbia River Basin/Snake River	Dioxin	2/25/91	Columbia River Dioxin TMDL (pdf file, 4742 Kb, 41 pgs)

You will need Adobe Acrabat Reader, available as a free download, to view this above file. See EPA's PDF page to learn more about PDF, and for a link to the free Acrobat Reader.

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