Kemp Lake Water District ratepayers and water users are being told not to drink the water directly from their taps.
The district says recent snow, rain and stormy weather has raised the turbidity levels in the lake and the water system to the point that it cannot ensure proper water treatment.
The boil water notice will be lifted once the district is assured the water is safe to drink.
Residents must boil their water for at least a minute before consuming it.
While the district said residents can use the water safely to shower or wash dishes, they should not use tap water to clean and prepare raw food, such as fruits and vegetables.
Anyone who needs more information can call the district at 250-642-2875.