PFAS ("forever chemicals") · 2025
Perfluorohexanesulfonic acid in City of Newport News, VA tap water
City of Newport News, VA's 2025 Consumer Confidence Report shows Perfluorohexanesulfonic acid at or above the federal limit (2 ng/L MCL). Measured value is 1.9× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range System-wide | 0–3.7 ng/L | 2 ng/L MCL |
Maximum System-wide | 3.7 ng/L | 2 ng/L MCL |
Verbatim from City of Newport News, VA's 2025 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 City of Newport News, VA 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 City of Newport News, VA tap water?
Yes — City of Newport News, VA's 2025 Consumer Confidence Report lists Perfluorohexanesulfonic acid at 0–3.7 ng/L. City of Newport News, VA's 2025 Consumer Confidence Report shows Perfluorohexanesulfonic acid at or above the federal limit (2 ng/L MCL). Measured value is 1.9× the threshold.
+What's the federal limit for Perfluorohexanesulfonic acid in drinking water?
The federal MCL for Perfluorohexanesulfonic acid is 2 ng/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+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 2025 Consumer Confidence Report published by the City of Newport News, VA 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/va/newport-news/2025/source.