| Area   | 
         Petaluma River  | 
     
     
         | Topic | 
         WQ: Conductivity in Ellis Creek 1997-2001 | 
     
 
 
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   Caption:  Water quality parameters have been measured in an on-going program by the California Department of Fish and Game in various watersheds in Marin and Sonoma counties from 1991-2002.  This graph shows minimum, mean, and maximum conductivity measurements in Ellis Creek, a tributary of the Petaluma River, from 1997-2001. The reference value 750 µmhos/cm was the maximum criteria established by the San Francisco Bay Regional Water Quality Control Board Basin Plan.  See Info Links for more information.
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