Water Advisories Issued and Lifted Across Multiple Regions Following Incidents

Residents of Délı̨nę in the Northwest Territories are being told to boil water for drinking and food preparation because of unusually high turbidity; officials report no related illnesses and are monitoring the system. A boil-water notice remains in effect for Brunner Hill Public Water Authority customers near Olive West Crossroads and Highway 223 after a water-main break caused pressure loss, pending tests confirming the water is safe. Officials lifted the advisory for the Cheniere area of Grand Isle, Louisiana, after low system pressure prompted it. Maine’s Anson & Madison Water District lifted its do-not-drink order after flushing and sampling confirmed fluoride levels had returned to health standards following an overfeed.
In Délı̨nę, water for drinking, food preparation, making ice, washing produce, or brushing teeth must be boiled for at least one minute; water for bathing and laundry does not need to be boiled, though residents should avoid swallowing it.
Délı̨nę officials said reverse-osmosis-treated water or water filtered through a filter rated at 1 micron absolute or less is safe to drink during the advisory, but activated-carbon filters are not sufficient because they do not disinfect water.
The Brunner Hill notice covers customers on side roads as well as those near Olive West Crossroads and Highway 223; residents are also instructed to discard existing ice and use boiled water to make new ice.
Arkansas health officials said the Brunner Hill notice can be lifted after bacteriological samples show no bacterial contamination and adequate disinfectant levels have been established throughout the system.
During Anson & Madison’s do-not-drink order, customers were told to use bottled water for any activity involving consumption, including preparing food, making ice, watering pets, and brushing teeth; officials said the cause of the fluoride overfeed was unknown.
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