PFAS ("forever chemicals") · 2025
Perfluoropentanesulfonic acid (PFPeS) in Irvine Ranch Water District, CA tap water
Irvine Ranch Water District, CA's 2025 Consumer Confidence Report tested for Perfluoropentanesulfonic acid (PFPeS) and reported no detectable amount.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Entry point | Not detected NG/L | None set |
Highest single sample Source water | Not detected NG/L | None set |
Verbatim from Irvine Ranch Water District, CA's 2025 Consumer Confidence Report — source document ↗
About Perfluoropentanesulfonic acid (PFPeS)
Perfluoropentanesulfonic acid, a PFAS 'forever chemical.'
Monitored under EPA rules; persistent in the environment.
How Irvine Ranch Water District, 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 Irvine Ranch Water District, CA tap water?
Irvine Ranch Water District, CA's 2025 Consumer Confidence Report tested for Perfluoropentanesulfonic acid (PFPeS) and found no detectable amount.
+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 2025 Consumer Confidence Report published by the Irvine Ranch Water District, 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/irvine-ranch-water-district/2025/source.