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We invite your comments on the draft Water Quality Assessment.
The Assessment pulls together existing data for fresh and marine water, and is available for review as an interactive online tool.
More information about the Water Quality Assessment.
Ecology is responsible for identifying and improving Washington’s polluted streams, lakes, and marine water. As part of this work, we must regularly update Washington’s Water Quality Assessment that categorizes state waters as clean or polluted, based on data we have.
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