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Surface Water Online Data
Snohomish County  |  Surface Water Management  |  Contact Us   
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Water Quality Data
      To generate a report or graph, please select one or more sites and click "Next"



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  The two letter abbreviations following each site name indicate the types of data available and are defined as follows:  
   • WQ = water quality
 • BI = benthic invertebrates
 • SG = stream gage
 • TS = temperature sensor (logger)