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Water Quality
 Currently,
all Redwood City’s drinking water is supplied by the regional
Hetch Hetchy water system, operated by the San Francisco Public Utilities
Commission (SFPUC). The Hetch Hetchy system provides high quality
drinking water to over 2 million people in the Bay Area. The SFPUC
maintains a watershed control program that effectively limits or
eliminates potential contamination to the water supply. This program
includes identification, monitoring, and control of watershed characteristics
and activities in the watershed that may have an adverse effect on
the source water quality. The SFPUC also submits an annual watershed
report to the California Department of Health Services (DHS) - Division
of Drinking Water (see the link above). The Hetch Hetchy water supply
meets all federal and State criteria for watershed protection, disinfection
treatment, bacteriological quality and operational standards, allowing
the SFPUC to provide its customers exceptionally high quality drinking
water.
Redwood City routinely monitors the distribution system for bacteriological
quality, chlorine residual, general physical parameters and trihalomethanes.
The City is conducting on-going monitoring as required under the
Lead & Copper Regulation. City personnel routinely collected
23 samples per week for bacteriological analysis. There are dedicated
sampling stations throughout the distribution system.
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