Metals · 2024

Silica in El Cerrito, CA tap water

Detected — no federal limit

El Cerrito, CA's 2024 report shows Silica detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Reported level
Lafayette
8–11 mg/L
Reported level
Sobrante
10–12 mg/L
Reported level
Orinda
8–11 mg/L
Reported level
Walnut Creek
8–11 mg/L
Reported level
USL
9–12 mg/L

Verbatim from El Cerrito, CA's 2024 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 El Cerrito, CA compares

Nearby systems also reporting Silica:

People also ask

+Is there Silica in El Cerrito, CA tap water?

Yes — El Cerrito, CA's 2024 Consumer Confidence Report lists Silica at 10–12 mg/L. El Cerrito, CA's 2024 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 2024 Consumer Confidence Report published by the El Cerrito, 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/el-cerrito/2024/source.

Full report
All El Cerrito, CA water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
Silica across the U.S. →
Every public water system measuring Silica, ranked.