PFAS ("forever chemicals") · 2024
Perfluorobutanesulfonic acid in Gilbert, AZ tap water
Gilbert, AZ's 2024 Consumer Confidence Report shows Perfluorobutanesulfonic acid at or above the federal limit (1 MCL). Measured value is 25.0× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Location | 25 | 1 MCL |
Reported level Location | 7 | 1 MCL |
Reported level System-wide | 12.9 ng/L | 1 ng/L MCL |
Reported level System-wide | 18.1 ng/L | 1 ng/L MCL |
Reported level System-wide | 15.3 ng/L | 1 ng/L MCL |
Reported level System-wide | 3.6 ng/L | 1 ng/L MCL |
Reported level System-wide | 13.2 ng/L | 1 ng/L MCL |
Verbatim from Gilbert, AZ's 2024 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 Gilbert, AZ compares
5 of the 146 systems measuring Perfluorobutanesulfonic acid on The Water Map have it at or above the federal limit:
Nearby systems also reporting Perfluorobutanesulfonic acid:
People also ask
+Is there Perfluorobutanesulfonic acid in Gilbert, AZ tap water?
Yes — Gilbert, AZ's 2024 Consumer Confidence Report lists Perfluorobutanesulfonic acid at 25. Gilbert, AZ's 2024 Consumer Confidence Report shows Perfluorobutanesulfonic acid at or above the federal limit (1 MCL). Measured value is 25.0× the threshold.
+What's the federal limit for Perfluorobutanesulfonic acid in drinking water?
The federal MCL for Perfluorobutanesulfonic acid is 1 . 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.
+Which other U.S. cities have Perfluorobutanesulfonic acid over the federal limit?
5 of the 146 systems on The Water Map measuring Perfluorobutanesulfonic acid report it at or above the federal limit. Examples include Chula Vista Sweetwater, CA, Charleston, SC, North Charleston, SC.
+Where does this Perfluorobutanesulfonic acid measurement come from?
This page reproduces the Perfluorobutanesulfonic acid entry from the 2024 Consumer Confidence Report published by the Gilbert, AZ 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/az/gilbert/2024/source.