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Water Quality Improvement Projects (TMDLs)

Snohomish County projects

The following table lists overview information for water quality improvement projects (including total maximum daily loads, or TMDLs) for this county. Please use links (where available) for more information on a project.

To get additional information about the water bodies in Snohomish County please use the Water Quality Assessment Query Tool.

 

WRIAs in Snohomish County


Water-body Name Pollutants Status TMDL Leads
Ballinger Lake Total Phosphorus EPA approved Tricia Shoblom
425-649-7288
Bear-Evans Creek Basin Fecal Coliform EPA approved Joan Nolan
425-649-4425
Dissolved Oxygen
Temperature
EPA approved
Lake Ketchum Total Phosphorus Under development as a straight to implementation project Tricia Shoblom
425-649-7288
Lake Loma Total Phosphorus Straight to implementation project under development Tricia Shoblom
425-649-7288
Little Bear Creek

Tributaries:

Trout Stream
Great Dane Creek
Cutthroat Creek

Fecal Coliform EPA approved Ralph Svrjcek
425-649-7165
North Creek Fecal Coliform EPA approved

Has an implementation plan

Ralph Svrjcek
425-649-7165
Old Stillaguamish Channel Dissolved Oxygen On hold Ralph Svrjcek
425-649-7165
Snohomish River French Creek / Pilchuck River
  • Dissolved Oxygen
  • Temperature
Under development Ralph Svrjcek
425-649-7165
Dioxin EPA approved Ralph Svrjcek
425-649-7165
Estuary
  • Ammonia
  • BOD
EPA approved Ralph Svrjcek
425-649-7165
Tributaries
  • Fecal Coliform

Tributaries:

  • Allen Creek
  • Quilceda Creek
  • French Creek
  • Woods Creek
  • Pilchuck River
  • Marshlands (Wood Creek) {2}
EPA approved Ralph Svrjcek
425-649-7165
Snoqualmie River
  • Ammonia-N
  • BOD (5-day)
  • Fecal Coliform

Temperature

EPA approved 

 



EPA approved
Has an implementation plan

Ralph Svrjcek
425-649-7165
Stillaguamish River Arsenic
Dissolved Oxygen
Fecal Coliform
Mercury
pH
Temperature
EPA approved

Has an implementation plan

Ralph Svrjcek
425-649-7165
Swamp Creek Fecal Coliform EPA approved

Has an implementation plan

Ralph Svrjcek
425-649-7165


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Last updated March 2016