PFAS ("forever chemicals") · 2024
PFOS in Vacaville, CA tap water
Vacaville, CA's 2024 PFOS measurement is below the federal limit.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Source water | 2–10 ng/L | None set |
Average Source water | 2 ng/L | None set |
Range Distribution System | Not detected ng/L | None set |
Average Distribution System | Not detected ng/L | None set |
Reported level Health Effects | 27 ng/L | None set |
Verbatim from Vacaville, CA's 2024 Consumer Confidence Report — source document ↗
About PFOS
Perfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings.
Linked to cancer, thyroid disease, and immune effects; the EPA set an enforceable limit of 4 parts per trillion.
How Vacaville, CA compares
5 of the 45 CA systems measuring PFOS on The Water Map have it at or above the federal limit:
Nearby systems also reporting PFOS:
People also ask
+Is there PFOS in Vacaville, CA tap water?
Yes — Vacaville, CA's 2024 Consumer Confidence Report lists PFOS at 2 ng/L. Vacaville, CA's 2024 PFOS measurement is below the federal limit.
+What's the federal limit for PFOS in drinking water?
The EPA has not set an enforceable federal limit for PFOS. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is PFOS?
Perfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings. Linked to cancer, thyroid disease, and immune effects; the EPA set an enforceable limit of 4 parts per trillion.
+Which other U.S. cities have PFOS over the federal limit?
5 of the 45 CA systems on The Water Map measuring PFOS report it at or above the federal limit. Examples include Sweetwater Authority — Chula Vista, Ca, CA, Downey - City, Water Dept. — Downey, Ca, CA, Downey, CA.
+Where does this PFOS measurement come from?
This page reproduces the PFOS entry from the 2024 Consumer Confidence Report published by the Vacaville, 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/vacaville/2024/source.