Featured Story
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Mystery on the Green River: What killed these coho salmon?
Read more: Mystery on the Green River: What killed these coho salmon?We know a toxic tire chemical kills adult coho when they return to spawn in polluted urban streams. But is it also killing younger salmon before they even leave home?
Latest posts
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Streams Monitor, July 2026: What a super El Niño might mean for King County
Read more: Streams Monitor, July 2026: What a super El Niño might mean for King CountyEl Niño is here. Will it be “super” and what could it mean for King County streams? Dive into the data to find out!
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Streams Monitor: By the Numbers (Winter ’25-’26)
Read more: Streams Monitor: By the Numbers (Winter ’25-’26)A Winter ’25-’26 summary of King County streams data, including flow and water quality, from 82 sites.
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And the Emmy goes to… King County’s science video about a 6PPDQ breakthrough!
Read more: And the Emmy goes to… King County’s science video about a 6PPDQ breakthrough!A video about our research on 6PPDQ just won at the 63rd Annual Northwest Regional Emmy Awards gala! Watch it here.
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It’s swimming season in King County! Here are our top questions about beach closures and reopenings
Read more: It’s swimming season in King County! Here are our top questions about beach closures and reopeningsKing County is testing 30 swimming beaches this summer to help people stay healthy. Check out these FAQs about beach bacteria and closures!
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¡Es temporada de playa! Aquí están nuestras preguntas principales sobre cierres y reaperturas de playas
Read more: ¡Es temporada de playa! Aquí están nuestras preguntas principales sobre cierres y reaperturas de playasRecibimos muchas preguntas sobre las pruebas de calidad del agua en las playas. ¡A continuación encontrará respuestas a algunas de las preguntas más frecuentes!
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Celebrate American wetlands this month!
Read more: Celebrate American wetlands this month!May is American Wetlands Month! Celebrate by learning more about King County’s wetlands and why they matter for people and birds.
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On the hunt for a hidden source of poop pollution
Read more: On the hunt for a hidden source of poop pollutionLearn how King County field staff, partners in Des Moines, and a trusty robot found and fixed poop pollution in Woodmont Creek.
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Career Cards: Learn what it’s like to be on King County’s environmental science team
Read more: Career Cards: Learn what it’s like to be on King County’s environmental science teamExplore our new Career Cards to learn what environmental scientists in King County’s Science Section do and why it matters.
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In the news
Check out recent news coverage featuring Science Section researchers or explore a longer list.
- King County Flood Patrol Team Works 24/7 to monitor levees during historic weather event | My Northwest, December 23, 2025
- Is your beach safe? County water testers are checking | KUOW, July 17, 2025
- Thank Science for All the Beach Closures | The Stranger, July 16, 2025
- Partnering with immigrant and refugee communities on safer fish | Rainier Avenue Radio, April 25, 2025
- Scientists discover ‘potential breakthrough’ in protecting salmon from urban killer | Seattle Times, March 28, 2025