PFAS ("forever chemicals") · 2023
PFOS in Cws - Bakersfield — San Jose, Ca, CA tap water
Cws - Bakersfield — San Jose, Ca, CA's 2023 PFOS measurement is below the federal limit of 6.5 ng/L (NL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Groundwater | 0–14 ng/L | 6.5 ng/L NL |
Average Groundwater | Not detected ng/L | 6.5 ng/L NL |
Range Surface Water | Not detected ng/L | 6.5 ng/L NL |
Average Surface Water | Not detected ng/L | 6.5 ng/L NL |
Verbatim from Cws - Bakersfield — San Jose, 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 Cws - Bakersfield — San Jose, 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 Cws - Bakersfield — San Jose, Ca, CA tap water?
Yes — Cws - Bakersfield — San Jose, Ca, CA's 2023 Consumer Confidence Report lists PFOS at Not detected ng/L. Cws - Bakersfield — San Jose, Ca, CA's 2023 PFOS measurement is below the federal limit of 6.5 ng/L (NL).
+What's the federal limit for PFOS in drinking water?
The federal NL for PFOS is 6.5 ng/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+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 Cws - Bakersfield — San Jose, 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/cws-bakersfield-san-jose-ca/2023/source.