PFAS ("forever chemicals") · 2023

Perfluorobutanesulfonic acid in Rowland Water District — Rowland Heights, Ca, CA tap water

Detected — no federal limit

Rowland Water District — Rowland Heights, Ca, CA's 2023 report shows Perfluorobutanesulfonic acid detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Reported level
Ground Water Miramar (TVMWD)
0–3.8 ng/L
Reported level
Imported Surface Water Weymouth (MWD)
Not detected ng/L
Reported level
Imported Surface Water Miramar (TVMWD)
Not detected ng/L
Reported level
Ground Water Miramar (TVMWD)
1.43 ng/L
Reported level
Imported Ground Water (CDWC)
Not detected ng/L

Verbatim from Rowland Water District — Rowland Heights, 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 Rowland Water District — Rowland Heights, Ca, CA compares

Nearby systems also reporting Perfluorobutanesulfonic acid:

People also ask

+Is there Perfluorobutanesulfonic acid in Rowland Water District — Rowland Heights, Ca, CA tap water?

Yes — Rowland Water District — Rowland Heights, Ca, CA's 2023 Consumer Confidence Report lists Perfluorobutanesulfonic acid at 0–3.8 ng/L. Rowland Water District — Rowland Heights, 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 NL for Perfluorobutanesulfonic acid is 500 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 Rowland Water District — Rowland Heights, 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/rowland-water-district-rowland-heights-ca/2023/source.

Full report
All Rowland Water District — Rowland Heights, Ca, CA water-quality data →
Every contaminant measured in the 2023 report.
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Perfluorobutanesulfonic acid across the U.S. →
Every public water system measuring Perfluorobutanesulfonic acid, ranked.