PFAS ("forever chemicals") · 2024

Perfluoroheptanoic acid in Santa Clara, CA tap water

Detected — no federal limit

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

The measurement

StatisticValue
Minimum
Santa Clarita Valley Water Agency
Not detected ng/L
Maximum
Santa Clarita Valley Water Agency
8 ng/L
Average
Santa Clarita Valley Water Agency
Not detected ng/L
Minimum
Los Angeles County Waterworks District #36
Not detected ng/L
Maximum
Los Angeles County Waterworks District #36
Not detected ng/L
Average
Los Angeles County Waterworks District #36
Not detected ng/L

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

About Perfluoroheptanoic acid

Perfluoroheptanoic acid, a PFAS 'forever chemical.'

Monitored under EPA rules; persistent in the environment.

How Santa Clara, CA compares

Nearby systems also reporting Perfluoroheptanoic acid:

People also ask

+Is there Perfluoroheptanoic acid in Santa Clara, CA tap water?

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

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

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

+What is Perfluoroheptanoic acid?

Perfluoroheptanoic acid, a PFAS 'forever chemical.' Monitored under EPA rules; persistent in the environment.

+Where does this Perfluoroheptanoic acid measurement come from?

This page reproduces the Perfluoroheptanoic acid entry from the 2024 Consumer Confidence Report published by the Santa Clara, 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-clara/2024/source.

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