Metals · 2023
Silica in Los Angeles LADWP, CA tap water
Los Angeles LADWP, 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 Southern Combined Wells | 14.4–21.6 mg/L | None set |
Average Los Angeles Aqueduct Filtration Plant | 17.7 mg/L | None set |
Average Southern Combined Wells | 19.2 mg/L | None set |
Range Northern Combined Wells | 14.4–19.8 mg/L | None set |
Range Los Angeles Aqueduct Filtration Plant | 14.1–20.7 mg/L | None set |
Average Northern Combined Wells | 18.7 mg/L | None set |
Verbatim from Los Angeles LADWP, 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 Los Angeles LADWP, CA compares
Nearby systems also reporting Silica:
People also ask
+Is there Silica in Los Angeles LADWP, CA tap water?
Yes — Los Angeles LADWP, CA's 2023 Consumer Confidence Report lists Silica at 19.2 mg/L. Los Angeles LADWP, 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 Los Angeles LADWP, 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/los-angeles-ladwp/2023/source.