Metals · 2023
Silica in City of Pleasanton — Pleasanton, Ca, CA tap water
City of Pleasanton — Pleasanton, 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 Groundwater | 11–28 mg/L | None set |
Average Groundwater | 21 mg/L | None set |
Range Treated Surface Water | 6.2–12 mg/L | None set |
Average Treated Surface Water | 9.8 mg/L | None set |
Verbatim from City of Pleasanton — Pleasanton, 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 City of Pleasanton — Pleasanton, Ca, CA compares
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People also ask
+Is there Silica in City of Pleasanton — Pleasanton, Ca, CA tap water?
Yes — City of Pleasanton — Pleasanton, Ca, CA's 2023 Consumer Confidence Report lists Silica at 21 mg/L. City of Pleasanton — Pleasanton, 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 City of Pleasanton — Pleasanton, 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/pleasanton-pleasanton-ca/2023/source.