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The following table lists overview information for water quality improvement projects (also known as total maximum daily loads, or TMDLs) for this water resource inventory area (WRIA). Please use links (where available) for more information on a project.
For more information about WRIA 5 please see www.ecy.wa.gov/apps/watersheds/wriapages/05.html (Environmental Assessment Program website).
To get additional information about the waterbodies in WRIA 5 please use the Water Quality Assessment Simple Query Tool.
| Waterbody Name | Pollutant(s) |
Status |
TMDL Lead(s)/Contacts |
| Old Stillaguamish Channel | Dissolved Oxygen | Under Development |
Ralph Svrjcek 425-649-7165 |
| Stillaguamish River & Portage Creek | Arsenic Dissolved Oxygen Fecal Coliform Mercury pH Turbidity Temperature |
Approved by EPA Implementation Plan completed |
Ralph Svrjcek 425-649-7165 |
* 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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