PFAS ("forever chemicals") · 2024

Perfluoropentanoic acid in Pomona - City, Water Dept., CA tap water

Detected — no federal limit

Pomona - City, Water Dept., CA's 2024 report shows Perfluoropentanoic acid detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Highest single sample
Source water
13.7 NG/L
Highest single sample
Entry point
4.4 ng/L
Average
Entry point
2.106349206349206 NG/L
Average
Source water
2.5923749999999997 NG/L
Highest single sample
Entry point
6.09 NG/L

Verbatim from Pomona - City, Water Dept., CA's 2024 Consumer Confidence Report — source document ↗

About Perfluoropentanoic acid

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

Monitored under EPA rules; persistent in the environment.

How Pomona - City, Water Dept., CA compares

5 of the 218 systems measuring Perfluoropentanoic acid on The Water Map have it at or above the federal limit:

Nearby systems also reporting Perfluoropentanoic acid:

People also ask

+Is there Perfluoropentanoic acid in Pomona - City, Water Dept., CA tap water?

Yes — Pomona - City, Water Dept., CA's 2024 Consumer Confidence Report lists Perfluoropentanoic acid at 2.5923749999999997 NG/L. Pomona - City, Water Dept., CA's 2024 report shows Perfluoropentanoic acid detected, but the EPA has not set an enforceable federal limit for it.

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

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

+What is Perfluoropentanoic acid?

Perfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.' Monitored under EPA rules; persistent in the environment.

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

5 of the 218 systems on The Water Map measuring Perfluoropentanoic acid report it at or above the federal limit. Examples include City of Poquoson, VA, Hampton, VA, York County, VA.

+Where does this Perfluoropentanoic acid measurement come from?

This page reproduces the Perfluoropentanoic acid entry from the 2024 Consumer Confidence Report published by the Pomona - City, Water Dept., 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/pomona-city-water-dept/2024/source.

Full report
All Pomona - City, Water Dept., CA water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
Perfluoropentanoic acid across the U.S. →
Every public water system measuring Perfluoropentanoic acid, ranked.