Metals · 2024
Silica in El Cajon, CA tap water
El Cajon, CA's 2024 report shows Silica detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Helix Plant | 9.7 mg/L | None set |
Minimum Helix Plant | 5.8 mg/L | None set |
Maximum Helix Plant | 16 mg/L | None set |
Verbatim from El Cajon, 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 Cajon, CA compares
Nearby systems also reporting Silica:
People also ask
+Is there Silica in El Cajon, CA tap water?
Yes — El Cajon, CA's 2024 Consumer Confidence Report lists Silica at 9.7 mg/L. El Cajon, 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 Cajon, 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-cajon/2024/source.