Metals · 2021

Aluminum in Joint Regional Water Supply System, CA tap water

Detected — no federal limit

Joint Regional Water Supply System, CA's 2021 report shows Aluminum detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Average Amount
0.141 mg/L
Range
System-wide
0–0.21 mg/L
Average
Average Amount
141 ug/L
Range
System-wide
0–210 ug/L

Verbatim from Joint Regional Water Supply System, CA's 2021 Consumer Confidence Report — source document ↗

About Aluminum

A common element sometimes used as a treatment coagulant.

Regulated only as a secondary (cosmetic) standard; high levels can discolor water.

How Joint Regional Water Supply System, CA compares

Nearby systems also reporting Aluminum:

People also ask

+Is there Aluminum in Joint Regional Water Supply System, CA tap water?

Yes — Joint Regional Water Supply System, CA's 2021 Consumer Confidence Report lists Aluminum at 141 ug/L. Joint Regional Water Supply System, CA's 2021 report shows Aluminum detected, but the EPA has not set an enforceable federal limit for it.

+What's the federal limit for Aluminum in drinking water?

The EPA has not set an enforceable federal limit for Aluminum. Utilities still report any measured levels in their annual Consumer Confidence Report.

+What is Aluminum?

A common element sometimes used as a treatment coagulant. Regulated only as a secondary (cosmetic) standard; high levels can discolor water.

+Where does this Aluminum measurement come from?

This page reproduces the Aluminum entry from the 2021 Consumer Confidence Report published by the Joint Regional Water Supply System, 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/joint-regional-water-supply-system/2021/source.

Full report
All Joint Regional Water Supply System, CA water-quality data →
Every contaminant measured in the 2021 report.
Contaminant pillar
Aluminum across the U.S. →
Every public water system measuring Aluminum, ranked.