Havre, Montana, lifts boil water advisory for most, except vulnerable individuals, due to Giardia presence causing diarrhea spike.

The City of Havre, Montana, reduced its boil water advisory to a health advisory for most residents, but vulnerable individuals with weakened immune systems must continue boiling their water due to the presence of Giardia in the public water supply, causing a 56% increase in diarrhea cases. The water treatment plant is now operating within compliance standards, and the distribution system is being disinfected.