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Health of the Salish Sea Ecosystem Report

  • Southern Resident Killer Whales

    The Southern Resident Killer Whale population is facing increasing threats to its survival and recovery. Read our report on Southern Resident Killer Whales.

  • Marine Water Quality

    Marine dissolved oxygen levels continue to display a declining trend in parts of the Salish Sea. Learn how it's impacting marine life.

  • Marine Species at Risk

    Between 2011 and 2015, 17 new marine species were either designated as at-risk, or identified as candidates for a status assessment in the Salish Sea. Learn what's driving this loss of biodiversity

Executive Summary

Read an overview of the indicators we're tracking and how it will help us identify priorities for action across the Salish Sea.

  • Executive Summary

About this Report

The Health of the Salish Sea Ecosystem Report is a collaboration between the U.S. EPA and Environment and Climate Change Canada to report to the public on the health of our shared ecosystem.

  • Learn about this report and how to use it

Ecosystem Indicators

Read our reports for each of the environmental measures, or indicators, we're tracking.

  • Air Quality
  • Chinook Salmon
  • Freshwater Quality
  • Marine Species at Risk
  • Marine Water Quality
  • Shellfish Harvesting
  • Southern Resident Killer Whales
  • Stream Flow
  • Swimming Beaches
  • Toxics in the Food Web

What are Indicators?

The same way that blood pressure is an indicator of your body's overall health, we can learn about an ecosystem's overall health by studying certain environmental metrics.

Indigenous Knowledge

Throughout this report you'll see references to Sustainable Perspectives based on local and indigenous knowledge. This knowledge is built over generations as people learn from their environment.

  • Learn more about indigenous knowledge
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on July 8, 2022
United States Environmental Protection Agency

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