Thanks to the help of approximately 80 dedicated and talented volunteers CRWA conducts monthly sampling at 35 sites along the Charles River.Thanks to the help of approximately 80 dedicated and talented volunteers CRWA conducts monthly sampling at 35 sites along the Charles River. At 6 am on the third Tuesday of every month, volunteers measure water temperature and depth, and collect samples which are analyzed for E. coli bacteria.  E. coli bacteria does not directly cause adverse health effects, but as an indicator bacteria it reveals the likely presence of harmful bacteria and viruses.

 

Monthly Monitoring E. Coli Results July 20th 2010

Click a flag to get the E. coli results for the corresponding site.