PFAS ("forever chemicals") · 2024

Perfluorohexanoic acid in Santa Ana, CA tap water

Detected — no federal limit

Santa Ana, CA's 2024 report shows Perfluorohexanoic acid detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Average Amount
Not detected ng/L
Average
Average Amount
Not detected ng/L
Range
System-wide
0–3.5 ng/L
Range
System-wide
0–4.1 ng/L

Verbatim from Santa Ana, CA's 2024 Consumer Confidence Report — source document ↗

About Perfluorohexanoic acid

Perfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.'

Monitored under EPA rules; persistent and widely detected.

How Santa Ana, CA compares

5 of the 134 systems measuring Perfluorohexanoic acid on The Water Map have it at or above the federal limit:

Nearby systems also reporting Perfluorohexanoic acid:

People also ask

+Is there Perfluorohexanoic acid in Santa Ana, CA tap water?

Yes — Santa Ana, CA's 2024 Consumer Confidence Report lists Perfluorohexanoic acid at Not detected ng/L. Santa Ana, CA's 2024 report shows Perfluorohexanoic acid detected, but the EPA has not set an enforceable federal limit for it.

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

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

+What is Perfluorohexanoic acid?

Perfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.' Monitored under EPA rules; persistent and widely detected.

+Which other U.S. cities have Perfluorohexanoic acid over the federal limit?

5 of the 134 systems on The Water Map measuring Perfluorohexanoic acid report it at or above the federal limit. Examples include New Braunfels, TX, Burbank, CA, Pomona, CA.

+Where does this Perfluorohexanoic acid measurement come from?

This page reproduces the Perfluorohexanoic acid entry from the 2024 Consumer Confidence Report published by the Santa Ana, 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/santa-ana/2024/source.

Full report
All Santa Ana, CA water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
Perfluorohexanoic acid across the U.S. →
Every public water system measuring Perfluorohexanoic acid, ranked.