Welcome. Because pollutants can adversely affect the organisms living in the sediment, our team of Ecology scientists has monitored Puget Sound sediment quality for over two decades. We measure levels of chemicals and toxicity, and identify and count invertebrates living in sediment samples to determine the overall condition of the bottom of Puget Sound.
Puget Sound Marine Sediment Indicators
We use Puget Sound Sediment Quality Indicators to communicate the current condition and changes in sediment quality to the interested public, decision makers, scientists and others. These indicators are a useful tool for the development of strategies to protect Puget Sound for this and future generations.
Marine Sediment Monitoring Programs
We examine Puget Sound sediments on different geographic and time scales. Click on the tabs and maps below to explore sediment quality in regions, urban bays, and at long-term monitoring stations to look for changes over time. Included are descriptions of our sediment monitoring programs, a summary of findings, and links to reports and data.
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