Metals · 2023
Boron in California Water Service - San Carlos — San Jose, Ca, CA tap water
California Water Service - San Carlos — San Jose, Ca, 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 | 0.02–0.07 mg/L | 1 mg/L NL |
Average System-wide | 0.04 mg/L | 1 mg/L NL |
Verbatim from California Water Service - San Carlos — San Jose, Ca, 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 California Water Service - San Carlos — San Jose, Ca, CA compares
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People also ask
+Is there Boron in California Water Service - San Carlos — San Jose, Ca, CA tap water?
Yes — California Water Service - San Carlos — San Jose, Ca, CA's 2023 Consumer Confidence Report lists Boron at 0.04 mg/L. California Water Service - San Carlos — San Jose, Ca, 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 1 mg/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 California Water Service - San Carlos — San Jose, Ca, 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/california-water-service-san-carlos-san-jose-ca/2023/source.