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If water quality is compromised, your water supplier is required to notify you with a “Boil Water Notice”, “Do Not Drink Water Notice” or a “Do Not Use Water Notice.” If you receive a boil water notice, do not drink the water without boiling it first. Bring all water to a boil, let it boil for one (1) minute, and let it cool before using, or use bottled water. If under a Boil Water Notice, boiled or bottled water should be used for drinking and food preparation until further notice, as boiling kills bacteria and other organisms in the water.
Private well water is not regulated by any government agency. Although your well water may taste and smell fine, the only way to know your well water is safe is by testing it. It is the responsibility of the individual property owner to ensure that their drinking water supply is safe by having the well water tested by a state certified laboratory. View a list of Laboratories that can perform these tests on the County of Sonoma Environmental Health & Safety website.