Metals · 2024
Boron in Pomona, CA tap water
Pomona, CA's 2024 Consumer Confidence Report shows Boron at or above the federal limit (1 ug/L NL). Measured value is 140.0× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Miramar Groundwater Well #2 | Not detected ug/L | 1 ug/L NL |
Reported level Miramar Groundwater Grand Well | Not detected ug/L | 1 ug/L NL |
Reported level Miramar Effluent | 140 ug/L | 1 ug/L NL |
Reported level Miramar Groundwater Well #1 | Not detected ug/L | 1 ug/L NL |
Reported level Weymouth Effluent | 140 ug/L | 1 ug/L NL |
Verbatim from Pomona, 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 Pomona, CA compares
5 of the 57 systems measuring Boron on The Water Map have it at or above the federal limit:
Nearby systems also reporting Boron:
People also ask
+Is there Boron in Pomona, CA tap water?
Yes — Pomona, CA's 2024 Consumer Confidence Report lists Boron at 140 ug/L. Pomona, CA's 2024 Consumer Confidence Report shows Boron at or above the federal limit (1 ug/L NL). Measured value is 140.0× the threshold.
+What's the federal limit for Boron in drinking water?
The federal NL for Boron is 1 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.
+Which other U.S. cities have Boron over the federal limit?
5 of the 57 systems on The Water Map measuring Boron report it at or above the federal limit. Examples include Oxnard, CA, Burbank, CA, Inglewood, CA.
+Where does this Boron measurement come from?
This page reproduces the Boron entry from the 2024 Consumer Confidence Report published by the Pomona, 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/pomona/2024/source.