Metals · 2026
Silica in Golden State Water Company - Los Osos, CA tap water
Golden State Water Company - Los Osos, CA's 2026 report shows Silica detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Source water | 31.5 MG/L | None set |
Highest single sample Source water | 33 MG/L | None set |
Verbatim from Golden State Water Company - Los Osos, CA's 2026 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 Golden State Water Company - Los Osos, CA compares
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People also ask
+Is there Silica in Golden State Water Company - Los Osos, CA tap water?
Yes — Golden State Water Company - Los Osos, CA's 2026 Consumer Confidence Report lists Silica at 31.5 MG/L. Golden State Water Company - Los Osos, CA's 2026 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 2026 Consumer Confidence Report published by the Golden State Water Company - Los Osos, 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/golden-state-water-company-los-osos/2026/source.