Frankton and Lake Hayes now safe for swimmersDASHA KUPRIENKO / STUFF E.coli levels in Lake Hayes and Frankton Bay have dropped to safe levels. Otago Regional Council results show E.coli bacteria levels have returned to a safe level at Frankton Bay and Lake Hayes. READ MORE:*High E coli levels at a second popular Queenstown swimming spot*Swimmers told to avoid Lake Hayes due to algaeSignage warning against swimming has been removed from Frankton and Lake Hayes. At Lake Hayes the level of cyanobacteria had reduced to a biovolume of 1.32 mm3/L on February 19, compared to an initial reading of 3.96 mm3/L. Lake Hayes would continue to be monitored for cyanobacteria on a weekly basis, Ozanne said.

Source: Stuff March 01, 2018 03:45 UTC