Haines Borough employees are scratching their heads as to why a water sample last week tested positive for E. coli, when five follow-up samples came back clean.

Last Friday, the Department of Environmental Conservation rescinded the boil order that had taken effect Wednesday following a routine water sample testing positive for E. coli.

E. coli indicates water may be contaminated with human or animal waste.

The sample was taken from a water spigot on Louie…