Metals · 2023
Boron in San Francisco SFPUC, CA tap water
San Francisco SFPUC, CA's 2023 report shows Boron detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range System-wide | 23–65 ug/L | 1000 ug/L NL |
Average System-wide | 41 ug/L | 1000 ug/L NL |
Verbatim from San Francisco SFPUC, CA's 2023 Consumer Confidence Report — source document ↗
About Boron
A naturally occurring element from rock and soil.
No enforceable federal limit; the EPA has issued a health advisory level.
How San Francisco SFPUC, CA compares
Nearby systems also reporting Boron:
People also ask
+Is there Boron in San Francisco SFPUC, CA tap water?
Yes — San Francisco SFPUC, CA's 2023 Consumer Confidence Report lists Boron at 41 ug/L. San Francisco SFPUC, CA's 2023 report shows Boron detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Boron in drinking water?
The federal NL for Boron is 1000 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Boron?
A naturally occurring element from rock and soil. No enforceable federal limit; the EPA has issued a health advisory level.
+Where does this Boron measurement come from?
This page reproduces the Boron entry from the 2023 Consumer Confidence Report published by the San Francisco SFPUC, 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/san-francisco-sfpuc/2023/source.