Metals · 2023
Silica in California Water Service-s San Francisco — San Jose, Ca, CA tap water
California Water Service-s San Francisco — San Jose, Ca, CA's 2023 report shows Silica detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range SFPUC | 4.9–9.9 mg/L | None set |
Average SFPUC | 7.5 mg/L | None set |
Verbatim from California Water Service-s San Francisco — San Jose, Ca, CA's 2023 Consumer Confidence Report — source document ↗
About Silica
A naturally occurring compound from sand and rock.
Not federally regulated for health; relevant mainly for industrial water use.
How California Water Service-s San Francisco — San Jose, Ca, CA compares
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People also ask
+Is there Silica in California Water Service-s San Francisco — San Jose, Ca, CA tap water?
Yes — California Water Service-s San Francisco — San Jose, Ca, CA's 2023 Consumer Confidence Report lists Silica at 7.5 mg/L. California Water Service-s San Francisco — San Jose, Ca, CA's 2023 report shows Silica detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Silica in drinking water?
The EPA has not set an enforceable federal limit for Silica. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Silica?
A naturally occurring compound from sand and rock. Not federally regulated for health; relevant mainly for industrial water use.
+Where does this Silica measurement come from?
This page reproduces the Silica entry from the 2023 Consumer Confidence Report published by the California Water Service-s San Francisco — San Jose, Ca, CA water utility — the annual drinking-water report every U.S. utility is required by federal law to publish. The original source document is archived at /water/ca/california-water-service-s-san-francisco-san-jose-ca/2023/source.