PFAS ("forever chemicals") · 2025
Perfluoroheptanesulfonic acid (PFHpS) in Eastern Municipal Wd, CA tap water
Eastern Municipal Wd, CA's 2025 report shows Perfluoroheptanesulfonic acid (PFHpS) detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Entry point | Not detected NG/L | None set |
Highest single sample Source water | 12 NG/L | None set |
Average Source water | 1.4567164179104477 NG/L | None set |
Verbatim from Eastern Municipal Wd, CA's 2025 Consumer Confidence Report — source document ↗
About Perfluoroheptanesulfonic acid (PFHpS)
Perfluoroheptanesulfonic acid, a PFAS 'forever chemical.'
Monitored under EPA rules; persistent in the environment.
How Eastern Municipal Wd, CA compares
1 of the 149 systems measuring Perfluoroheptanesulfonic acid (PFHpS) on The Water Map have it at or above the federal limit:
Nearby systems also reporting Perfluoroheptanesulfonic acid (PFHpS):
People also ask
+Is there Perfluoroheptanesulfonic acid (PFHpS) in Eastern Municipal Wd, CA tap water?
Yes — Eastern Municipal Wd, CA's 2025 Consumer Confidence Report lists Perfluoroheptanesulfonic acid (PFHpS) at 1.4567164179104477 NG/L. Eastern Municipal Wd, CA's 2025 report shows Perfluoroheptanesulfonic acid (PFHpS) detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Perfluoroheptanesulfonic acid (PFHpS) in drinking water?
The EPA has not set an enforceable federal limit for Perfluoroheptanesulfonic acid (PFHpS). Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Perfluoroheptanesulfonic acid (PFHpS)?
Perfluoroheptanesulfonic acid, a PFAS 'forever chemical.' Monitored under EPA rules; persistent in the environment.
+Which other U.S. cities have Perfluoroheptanesulfonic acid (PFHpS) over the federal limit?
1 of the 149 systems on The Water Map measuring Perfluoroheptanesulfonic acid (PFHpS) report it at or above the federal limit. Examples include Boonsboro Keedysville, MD.
+Where does this Perfluoroheptanesulfonic acid (PFHpS) measurement come from?
This page reproduces the Perfluoroheptanesulfonic acid (PFHpS) entry from the 2025 Consumer Confidence Report published by the Eastern Municipal Wd, 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/eastern-municipal-wd/2025/source.