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View Map of Affected Area (PDF)

Street List (PDF)

October 12, 2011 (San Carlos)--Due to a water pump station failure, the California Department of Public Health and the City of San Diego Public Utilities Department are advising residents of San Carlos, east of Cowles Mountain and north of Navajo Road, to use boiled tap water or bottled water for drinking and cooking purposes as a safety precaution. To confirm if your address is affected, please check the list of streets (PDF).


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. Boiled or bottled water should be used for drinking and food preparation until further notice. This is the preferred method to assure that the water is safe to drink.


An alternative method of disinfection for residents that are not able to boil their water is to use fresh, unscented, liquid household bleach. To do so, add 8 drops (or 1/8 teaspoon) of bleach per gallon of clear water or 16 drops (or 1/4 teaspoon) per gallon of cloudy water, mix thoroughly, and allow it to stand for 30 minutes before using. A chlorine-like taste and odor will result from this disinfection procedure and is an indication that adequate disinfection has taken place.


Water disinfection tablets may also be used by following the manufacturer’s instructions.


County officials anticipate resolving the problem by October 13, 2011.



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