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Mitch Travis and Margaret Watkins work for the Grand Portage Environmental Department. They collect water samples every Thursday morning from June 1st to September 30th. Then we have them analyzed for E-Coli bacteria concentrations. The results of the lab analysis are posted on this web site usually the day after (Friday). Beach closures will be posted when concentrations of E-Coli bacteria exceed Grand Portage Water Quality Standards for swimming: "For high intensity use of Lake Superior Coastal Waters, the bacteriological density shall not exceed a monthly geometric mean of 126 Escherichia coli per 100ml, or a single sample maxium of 235 cfu Escherichia coli /100ml."

You can reach either person at (218) 475 2415 or email them at Margaret Watkins or Mitch Travis.

If you have any questions or suggestions regarding this web site please email James Madigan


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