PFAS ("forever chemicals") · 2023
Perfluorobutanesulfonic acid in Alameda County Water District — Fremont, Ca, CA tap water
Alameda County Water District — Fremont, Ca, CA'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 |
|---|---|---|
Average Blended Water | Not detected ng/L | 2 ng/L Public health goal |
Range Treated Surface Water | Not detected ng/L | 2 ng/L Public health goal |
Average Desalinated Water | Not detected ng/L | 2 ng/L Public health goal |
Range Purchased San Francisco Water | Not detected ng/L | 2 ng/L Public health goal |
Range Desalinated Water | Not detected ng/L | 2 ng/L Public health goal |
Range Blended Water | 0–2.6 ng/L | 2 ng/L Public health goal |
Average Purchased San Francisco Water | Not detected ng/L | 2 ng/L Public health goal |
Average Treated Surface Water | Not detected ng/L | 2 ng/L Public health goal |
Verbatim from Alameda County Water District — Fremont, Ca, CA'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 Alameda County Water District — Fremont, Ca, CA compares
Nearby systems also reporting Perfluorobutanesulfonic acid:
People also ask
+Is there Perfluorobutanesulfonic acid in Alameda County Water District — Fremont, Ca, CA tap water?
Yes — Alameda County Water District — Fremont, Ca, CA's 2023 Consumer Confidence Report lists Perfluorobutanesulfonic acid at Not detected ng/L. Alameda County Water District — Fremont, Ca, CA'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 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 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 Alameda County Water District — Fremont, Ca, CA 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/ca/alameda-county-water-district-fremont-ca/2023/source.