PFAS ("forever chemicals") · 2023
Perfluorobutanesulfonic acid in Westfield, IN tap water
Westfield, IN's 2023 report shows Perfluorobutanesulfonic acid detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Maximum Maximum of All Samples | 3.8 ng/L | 2000 ng/L Public health goal |
Average System-wide | 0.21 ng/L | 2000 ng/L Public health goal |
Range System-wide | 0–3.8 ng/L | 2000 ng/L Public health goal |
Verbatim from Westfield, IN's 2023 Consumer Confidence Report — source document ↗
About Perfluorobutanesulfonic acid
Perfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.'
Has no standalone limit but is part of the EPA PFAS Hazard Index that limits PFAS in combination.
How Westfield, IN compares
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People also ask
+Is there Perfluorobutanesulfonic acid in Westfield, IN tap water?
Yes — Westfield, IN's 2023 Consumer Confidence Report lists Perfluorobutanesulfonic acid at 0.21 ng/L. Westfield, IN's 2023 report shows Perfluorobutanesulfonic acid detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Perfluorobutanesulfonic acid in drinking water?
The federal Public health goal for Perfluorobutanesulfonic acid is 2000 ng/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Perfluorobutanesulfonic acid?
Perfluorobutanesulfonic acid, a shorter-chain PFAS 'forever chemical.' Has no standalone limit but is part of the EPA PFAS Hazard Index that limits PFAS in combination.
+Where does this Perfluorobutanesulfonic acid measurement come from?
This page reproduces the Perfluorobutanesulfonic acid entry from the 2023 Consumer Confidence Report published by the Westfield, IN 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/in/westfield/2023/source.