TMDL Success Stories

TMDL Success Stories | Region 10 | US EPA

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Regional Information

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TMDL Success Stories

Alaska

Swan Lake & Wrinkleneck Creek: Community Watershed Cleanups, Stormwater Controls, and Lake Dredging Improve Water Quality and Recreation Uses
Granite Creek: Salmon on the Rocks: Sediment Controls Improve Water Quality

Idaho

Cascade River: phosphorus, dissolved oxygen, pH (PDF) (1pp, 354K)
Mid-Snake River: phosphorus (PDF) (2pp, 342K)
Nooksack River: Bacteria
Dairies and Bacteria Reductions on Nooksack River (PDF) (1pp, 373K)
Water Quality Improvements Benefit Portage Bay Shellfish in the Nooksack River with Major Involvement by the Lummi Nation

Washington

Lower Yakima River: turbidity,DDT
Irrigation Districts and Turbidity and DDT Impairments (PDF) (2pp, 1.2MB)
Changes in Irrigation Practices Reduce Turbidity in the Lower Yakima River
Winchester Lake: sediment, nutrients, dissolved oxygen, temperature (PDF) (1pp, 341K)
Dungeness River: bacteria

Oregon

Diamond Lake: Eradication of Invasive Species Restores Lake Water Quality
Tualatin River (Nutrients-Total Phosphorus)
- Basinwide Initiatives in Tualatin River (TMDLs and Section 319)
- Phosphorus Levels Declining in Tualatin River Basin in Oregon (PDF) (1pp, 65K)
- Map Illustrating Phosphorus Reductions (PDF) (courtesy of Clean Water Services) (1pp, 196K)
- An Explanation on Phosporus and its Impact on the Environment (PDF) (1pp, 11K) L ittle River Watershed (Temperature, Sediment) (PDF) (1pp, 65K)

Local Navigation

URL: http://yosemite.epa.gov/R10/WATER.NSF/TMDLs/TMDLStories

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