Metals · 2024
Boron in El Cajon, CA tap water
El Cajon, CA's 2024 report shows Boron detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Minimum Helix Plant | Not detected mg/L | 1 mg/L NL |
Maximum Helix Plant | 0.11 mg/L | 1 mg/L NL |
Average Helix Plant | Not detected mg/L | 1 mg/L NL |
Minimum Purchased Water | 0.13 mg/L | 1 mg/L NL |
Maximum Purchased Water | 0.92 mg/L | 1 mg/L NL |
Average Purchased Water | 0.39 mg/L | 1 mg/L NL |
Verbatim from El Cajon, 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 El Cajon, CA compares
Nearby systems also reporting Boron:
People also ask
+Is there Boron in El Cajon, CA tap water?
Yes — El Cajon, CA's 2024 Consumer Confidence Report lists Boron at 0.39 mg/L. El Cajon, 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 El Cajon, 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/el-cajon/2024/source.