Metals · 2024

Boron in Thousand Oaks, CA tap water

Detected — no federal limit

Thousand Oaks, CA's 2024 report shows Boron detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Reported level
MWD Jensen Plant
0.17 mg/L
Reported level
Calleguas LBWFP
0.27–0.28 mg/L

Verbatim from Thousand Oaks, CA's 2024 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 Thousand Oaks, CA compares

Nearby systems also reporting Boron:

People also ask

+Is there Boron in Thousand Oaks, CA tap water?

Yes — Thousand Oaks, CA's 2024 Consumer Confidence Report lists Boron at 0.27–0.28 mg/L. Thousand Oaks, CA's 2024 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 2024 Consumer Confidence Report published by the Thousand Oaks, 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/thousand-oaks/2024/source.

Full report
All Thousand Oaks, CA water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
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Every public water system measuring Boron, ranked.