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Puget Sound Marine Topics

Swimming Beach Bacteria Plot Maps

King County's Swimming Beach Monitoring Program

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Bacteria and Temperature Data

What Do These Numbers Mean?

Beach Closures

FAQs

Related Links

About the Swimming Beach Program

Green Algae Bloom

View plots of the current fecal coliform and E. coli data. The legend below corresponds to the maps.

0-50 (CFU/100 ml)
51-100 (CFU/100 ml)
101-200 (CFU/100 ml)
201-300 (CFU/100 ml)
301-400 (CFU/100 ml)
401-500 (CFU/100 ml)
501-750 (CFU/100 ml)
751-1000 (CFU/100 ml)
1001-3000 (CFU/100 ml)
3001-9000 (CFU/100 ml)
9001-20,000 (CFU/100 ml)
20,001-10,000,000 (CFU/100 ml)


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