How quickly E. coli levels can change

Yesterday, Saturday, June 6, while out collecting water samples for a project in Clarke County Virginia, I collected water samples from the chocolate milk discolored river at two of the sites that are part of the FOSR Summer E. coli testing program, FC08 – Route 7 Bridge public boat ramp, and FC-01 Route 50 public boat launch.

E. coli levels measured on Saturday, June 6, at FC08, Route 7 Bridge public boat ramp, 1732.6. Compare this to the E. coli levels of 13.5 that were measured at this site just three days ago on Wednesday, June 3.

E. coli levels measured on Saturday, June 6, at FC01, Route 50 Bridge public boat launch, 1553.1. Compare this to the E. coli levels of 13.4 that were measured at this site again just three days ago on Wednesday, June 3.

FOSR 2020 Summer Quantitative E. coli Concentration Results through 06.06.2020

 

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