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TMDL Success Stories

Alaska

• Eagle River Flats: Water Quality Restored to Revive Bird Population
• Granite Creek: Salmon on the Rocks: Sediment Controls Improve Water Quality
• St. Paul Salt Channel: Activated Carbon and Soil Treatment Restores Water Quality
• Swan Lake & Wrinkleneck Creek: Community Watershed Cleanups, Stormwater Controls, and Lake Dredging Improve Water Quality and Recreation Uses

Idaho

• Cascade River: phosphorus, dissolved oxygen, pH (PDF) (1pp, 354K)
• Mid-Snake River: phosphorus (PDF) (2pp, 342K)
• Winchester Lake: sediment, nutrients, dissolved oxygen, temperature (PDF) (1pp, 341K)

Washington

• Irrigation Districts and Turbidity and DDT Impairments (PDF) (2pp, 1.2MB)
• Changes in Irrigation Practices Reduce Turbidity in the Lower Yakima River
• Dungeness River:Tributary Achieves Bacteria Target Levels at Several Monitoring Sites
• 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

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)
  • Little River Watershed (Temperature, Sediment) (PDF) (1pp, 65K)

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