PFAS ("forever chemicals") · 2024
Perfluorobutanesulfonic acid in Boulder, CO tap water
Boulder, CO's 2024 report shows Perfluorobutanesulfonic acid detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Lake Skinner Outlet (Aqueduct) | Not detected ng/L | None set |
Reported level Treated¹ Sweetwater Authority Drinking Water | 3.6 ng/L | None set |
Reported level National City Well 3 | Not detected ng/L | None set |
Reported level SD Formation Wells 1 - 11 | 0–11 ng/L | None set |
Reported level Treated¹ Sweetwater Authority Drinking Water | 0–10.7 ng/L | None set |
Reported level National City Well 2 | Not detected ng/L | None set |
Reported level National City Well 4 | Not detected ng/L | None set |
Reported level SD Formation Wells 1 - 11 | Not detected ng/L | None set |
Verbatim from Boulder, CO'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 Boulder, CO compares
Nearby systems also reporting Perfluorobutanesulfonic acid:
People also ask
+Is there Perfluorobutanesulfonic acid in Boulder, CO tap water?
Yes — Boulder, CO's 2024 Consumer Confidence Report lists Perfluorobutanesulfonic acid at 0–11 ng/L. Boulder, CO's 2024 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 EPA has not set an enforceable federal limit for Perfluorobutanesulfonic acid. Utilities still report any measured levels in their annual Consumer Confidence Report.
+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 2024 Consumer Confidence Report published by the Boulder, CO 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/co/boulder/2024/source.