Yes, the water is safe for the general population to drink. If you have a medical condition that suppresses your immune system, or if you are worried about the quality of your tap water, you can consult your doctor for recommendations or follow the advice given above. Cities in the northern part of the county may contract with the City of San Francisco to receive water from the Hetch Hetchy system. The water district imports the water, treats it and provides treated water to 13 water retail companies, who in turn provide it to consumers. These water retail companies may provide 100 percent treated water, or they may blend the water with naturally filtered groundwater from a well.
Some retailers get all of their water from groundwater wells.
To get a detailed report on the quality of the drinking water that comes to your home, contact your water retail company. 730-7441 Great Oaks Water Company Blossom Valley east of Snell Ave. Filtering Fact from Fiction. For optimal viewing of our site, we suggest using a JavaScript enabled browser, such as Netscape Communicator , Netscape Navigator , or Internet Explorer 4.0 or better.