Draft 2022 Water Quality Assessment available for public review

The deadline for public comments is Friday, Jan. 10, 2025.

The Assessment evaluates available water quality and sediment data throughout the state to identify polluted streams, lakes, and marine water. Draft results can be reviewed through the Draft Water Quality Assessment Review Tool or the Draft Water Quality Atlas, an online map.

For more information on reviewing the draft Assessment, please visit the Water Quality Assessment webpage or attend our public webinar on Nov. 13 at 2 p.m. Please use the following link to register for the webinar.

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.