People should avoid swimming, wading or other activities that could result in ingesting reservoir water at Robie Creek Beach, according to the Idaho Department of Environmental Quality.
The Army Corps of Engineers has found that E. coli at Robie Creek Beach, which is in the Mores Creek arm of Lucky Peak Reservoir, exceeds the level considered safe.
The source of the bacteria is unknown. Idaho DEQ will conduct follow-up and routine monitoring to assess bacteria levels.
E. coli can cause can cause diarrhea, fever and vomiting, particularly in infants, small children and the elderly.
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Consider Macks Creek or Barclay Bay in Lucky Peak Reservoir as alternative recreation sites.