Your Water, Your Health


Drinking water, including bottled water, may reasonably be expected to contain at least small amounts of some contaminants.  The presence of contaminants does not necessarily indicate that the water poses a health risk.  You can learn more about contaminants and potential health effects by calling the U.S. Environmental Protection Agency’s (USEPA) Safe Drinking Water Hotline at 800-426-4791 or visiting their website at

To ensure that tap water is safe to drink, the USEPA prescribes regulations, which limit the amount of certain contaminants in water provided by public water systems.  Food and Drug Administration (FDA) regulations establish limits for contaminants in bottled water.  Both sets of requirements protect public health.  Some people may be more vulnerable to contaminants in drinking water than the general population.  Immuno-compromised persons such as persons with cancer undergoing chemotherapy, persons who have undergone organ transplants, people with HIV/AIDS or other immune system disorders, some elderly, and infants can be particularly at risk from infections.  These people should seek advice about drinking water from their health care providers.   

USEPA/CDC (U.S. Centers for Disease Control and Prevention) guidelines on appropriate means to lessen the risk of infection by Cryptosporidium and other microbial contaminants are available from the Safe Drinking Water Hotline  800-426-4791.  Cryptosporidium is a microbial pathogen found in surface water throughout the U.S. To date, Cryptosporidium has not been detected in our water supply.

Beginning in October 2007, water that is received by the City of Santa Ana from MWD will have fluoride added to it.  Our well water currently has a naturally occurring fluoride range level of 0.18 to 0.56 ppm.  Water provided by MWD will have a fluoride level of 0.7 to 0.8 ppm.  This plan was approved by the
CDC and the California Department of Public Health.  Additional information may be found by calling
MWD’s Water Quality Information Hotline at: 800-354-4420.  You can also download a fact sheet at or visit

Questions about your water quality report?

A copy of the complete assessment is available at the Water Resources Division office.  You can request
a summary of the assessment be sent to you by contacting us at 714-647-3320.  If you have questions about your water quality, contact:

City of Santa Ana, Water Resources Division
Nabil Saba, P.E., Interim Water Resources Manager
Cesar Barrera, P.E., Principal Civil Engineer
Thomas Dix, Water Quality Coordinator

220 S. Daisy Avenue , Bldg. A
Santa Ana, California 92703
phone: 714-647-3320
fax: 714-647-3345