Metals · 2021
Boron in Hawthorne-city Water Dept. — San Jose, Ca, CA tap water
Hawthorne-city Water Dept. — San Jose, Ca, CA's 2021 report shows Boron detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range West Basin MWD | 0.14–0.22 mg/L | 1 mg/L NL |
Average Groundwater | 0.26 mg/L | 1 mg/L NL |
Range Groundwater | 0.25–0.27 mg/L | 1 mg/L NL |
Average West Basin MWD | 0.18 mg/L | 1 mg/L NL |
Verbatim from Hawthorne-city Water Dept. — San Jose, Ca, CA's 2021 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 Hawthorne-city Water Dept. — San Jose, Ca, CA compares
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People also ask
+Is there Boron in Hawthorne-city Water Dept. — San Jose, Ca, CA tap water?
Yes — Hawthorne-city Water Dept. — San Jose, Ca, CA's 2021 Consumer Confidence Report lists Boron at 0.26 mg/L. Hawthorne-city Water Dept. — San Jose, Ca, CA's 2021 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 2021 Consumer Confidence Report published by the Hawthorne-city Water Dept. — 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/hawthorne-city-water-dept-san-jose-ca/2021/source.