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Water Quality Improvement Projects (TMDLs)

WRIA 9: Duwamish-Green

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

 

Counties


Waterbody Name Pollutants Status** TMDL Lead
Duwamish and Lower Green River Ammonia-N Approved by EPA Joan Nolan
425-649-4425
Fauntleroy Creek Fecal Coliform Approved by EPA

Has an implementation plan

Joan Nolan
425-649-4425
Fenwick Lake Total Phosphorus Approved by EPA (1993, Clean Lakes Program)

Category 5, 2008 Water Quality Assessment

Tricia Shoblom
425-649-7288
Green River and Newaukum Creek Temperature
Dissolved Oxygen
Green River TMDL Approved by EPA

Newaukum Creek TMDL Approved by EPA
Has an implementation plan

Joan Nolan
425-649-4425

Lake Sawyer Total Phosphorus Approved by EPA

Has an implementation plan

Tricia Shoblom
425-649-7288
Newaukum Creek Bacteria Under development

Joan Nolan
425-649-4425

Soos Creek

Fecal Coliform

Under development Joan Nolan
425-649-4425
Aquatic Habitat
Dissolved Oxygen
Temperature

** Status will be listed as one of the following: Approved by EPA, Under Development or Implementation

For more information about WRIA 9:

* The Department of Ecology and other state resource agencies frequently use a system of 62 "Water Resource Inventory Areas" or "WRIAs" to refer to the state's major watershed basins.

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Last updated August 2016