PFAS ("forever chemicals") · 2024

Perfluoropentanesulfonic acid (PFPeS) in Rialto, CA tap water

Detected — no federal limit

Rialto, CA's 2024 report shows Perfluoropentanesulfonic acid (PFPeS) detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Source water
1.0666666666666667 NG/L
Highest single sample
Source water
2.2 NG/L

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

About Perfluoropentanesulfonic acid (PFPeS)

Perfluoropentanesulfonic acid, a PFAS 'forever chemical.'

Monitored under EPA rules; persistent in the environment.

How Rialto, CA compares

1 of the 153 systems measuring Perfluoropentanesulfonic acid (PFPeS) on The Water Map have it at or above the federal limit:

Nearby systems also reporting Perfluoropentanesulfonic acid (PFPeS):

People also ask

+Is there Perfluoropentanesulfonic acid (PFPeS) in Rialto, CA tap water?

Yes — Rialto, CA's 2024 Consumer Confidence Report lists Perfluoropentanesulfonic acid (PFPeS) at 1.0666666666666667 NG/L. Rialto, CA's 2024 report shows Perfluoropentanesulfonic acid (PFPeS) detected, but the EPA has not set an enforceable federal limit for it.

+What's the federal limit for Perfluoropentanesulfonic acid (PFPeS) in drinking water?

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

+What is Perfluoropentanesulfonic acid (PFPeS)?

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

+Which other U.S. cities have Perfluoropentanesulfonic acid (PFPeS) over the federal limit?

1 of the 153 systems on The Water Map measuring Perfluoropentanesulfonic acid (PFPeS) report it at or above the federal limit. Examples include Boonsboro Keedysville, MD.

+Where does this Perfluoropentanesulfonic acid (PFPeS) measurement come from?

This page reproduces the Perfluoropentanesulfonic acid (PFPeS) entry from the 2024 Consumer Confidence Report published by the Rialto, 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/rialto/2024/source.

Full report
All Rialto, CA water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
Perfluoropentanesulfonic acid (PFPeS) across the U.S. →
Every public water system measuring Perfluoropentanesulfonic acid (PFPeS), ranked.