PFAS ("forever chemicals") · 2023
PFOS in Mendota, City of — Mendota, Ca, CA tap water
Mendota, City of — Mendota, Ca, CA's 2023 PFOS level is between 80% and 100% of the federal limit — measured but not in violation.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average System-wide | 3.3 ng/L | None set |
Range System-wide | 0–4 ng/L | None set |
Verbatim from Mendota, City of — Mendota, Ca, CA's 2023 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 Mendota, City of — Mendota, Ca, CA compares
5 of the 46 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 Mendota, City of — Mendota, Ca, CA tap water?
Yes — Mendota, City of — Mendota, Ca, CA's 2023 Consumer Confidence Report lists PFOS at 3.3 ng/L. Mendota, City of — Mendota, Ca, CA's 2023 PFOS level is between 80% and 100% of the federal limit — measured but not in violation.
+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 46 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 2023 Consumer Confidence Report published by the Mendota, City of — Mendota, 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/mendota-mendota-ca/2023/source.