PFAS ("forever chemicals") · 2024
Perfluorohexanesulfonic acid in Dayton, OH tap water
Dayton, OH's 2024 Consumer Confidence Report shows Perfluorohexanesulfonic acid at or above the federal limit (10 ng/L MCL). Measured value is 1.3× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average System-wide | 13.05 ng/L | 10 ng/L MCL |
Range System-wide | 6.7–17.18 ng/L | 10 ng/L MCL |
Verbatim from Dayton, OH's 2024 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.
People also ask
+Is there Perfluorohexanesulfonic acid in Dayton, OH tap water?
Yes — Dayton, OH's 2024 Consumer Confidence Report lists Perfluorohexanesulfonic acid at 13.05 ng/L. Dayton, OH's 2024 Consumer Confidence Report shows Perfluorohexanesulfonic acid at or above the federal limit (10 ng/L MCL). Measured value is 1.3× the threshold.
+What's the federal limit for Perfluorohexanesulfonic acid in drinking water?
The federal MCL for Perfluorohexanesulfonic acid is 10 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.
+Where does this Perfluorohexanesulfonic acid measurement come from?
This page reproduces the Perfluorohexanesulfonic acid entry from the 2024 Consumer Confidence Report published by the Dayton, OH 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/oh/dayton/2024/source.