PFAS ("forever chemicals") · 2023

Perfluorohexanesulfonic acid in Centennial, CO tap water

Detected — no federal limit

Centennial, CO's 2023 report shows Perfluorohexanesulfonic acid detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
System-wide
1.72 ng/L
Range
System-wide
1.95 ng/L

Verbatim from Centennial, CO's 2023 Consumer Confidence Report — source document ↗

About Perfluorohexanesulfonic acid

Perfluorohexanesulfonic acid, a PFAS 'forever chemical.'

Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.

How Centennial, CO compares

5 of the 128 systems measuring Perfluorohexanesulfonic acid on The Water Map have it at or above the federal limit:

Nearby systems also reporting Perfluorohexanesulfonic acid:

People also ask

+Is there Perfluorohexanesulfonic acid in Centennial, CO tap water?

Yes — Centennial, CO's 2023 Consumer Confidence Report lists Perfluorohexanesulfonic acid at 1.72 ng/L. Centennial, CO's 2023 report shows Perfluorohexanesulfonic acid detected, but the EPA has not set an enforceable federal limit for it.

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

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

+What is Perfluorohexanesulfonic acid?

Perfluorohexanesulfonic acid, a PFAS 'forever chemical.' Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.

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

5 of the 128 systems on The Water Map measuring Perfluorohexanesulfonic acid report it at or above the federal limit. Examples include New Braunfels, TX, Burbank, CA, Chula Vista Sweetwater, CA.

+Where does this Perfluorohexanesulfonic acid measurement come from?

This page reproduces the Perfluorohexanesulfonic acid entry from the 2023 Consumer Confidence Report published by the Centennial, CO 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/co/centennial/2023/source.

Full report
All Centennial, CO water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
Perfluorohexanesulfonic acid across the U.S. →
Every public water system measuring Perfluorohexanesulfonic acid, ranked.