PFAS ("forever chemicals") · 2023
PFOS in Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA tap water
Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA's 2023 Consumer Confidence Report shows PFOS at or above the federal limit (0.0065 ug/L NL). Measured value is 1.1× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Los Angeles County Waterworks District #36 | Not detected ug/L | 0.0065 ug/L NL |
Minimum Santa Clarita Valley Water Agency | Not detected ug/L | 0.0065 ug/L NL |
Maximum Santa Clarita Valley Water Agency | Not detected ug/L | 0.0065 ug/L NL |
Average Santa Clarita Valley Water Agency | Not detected ug/L | 0.0065 ug/L NL |
Maximum Santa Clarita Valley Water Agency (Surface Water) | Not detected ng/L | 4 ng/L MCL |
Maximum Los Angeles County Waterworks District #36 | 6.4 ng/L | 4 ng/L MCL |
Average Santa Clarita Valley Water Agency (Groundwater) | Not detected ng/L | 4 ng/L MCL |
Average Santa Clarita Valley Water Agency (Surface Water) | Not detected ng/L | 4 ng/L MCL |
Maximum Los Angeles County Waterworks District #36 | Not detected ug/L | 0.0065 ug/L NL |
Average Los Angeles County Waterworks District #36 | 4.5 ng/L | 4 ng/L MCL |
Minimum Santa Clarita Valley Water Agency (Groundwater) | Not detected ng/L | 4 ng/L MCL |
Minimum Los Angeles County Waterworks District #36 | Not detected ug/L | 0.0065 ug/L NL |
Maximum Santa Clarita Valley Water Agency (Groundwater) | 6 ng/L | 4 ng/L MCL |
Minimum Los Angeles County Waterworks District #36 | Not detected ng/L | 4 ng/L MCL |
Minimum Santa Clarita Valley Water Agency (Surface Water) | Not detected ng/L | 4 ng/L MCL |
Verbatim from Los Angeles Cwwd 36-val Verde — Alhambra, 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 Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA compares
5 of the 328 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 Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA tap water?
Yes — Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA's 2023 Consumer Confidence Report lists PFOS at 4.5 ng/L. Los Angeles Cwwd 36-val Verde — Alhambra, Ca, CA's 2023 Consumer Confidence Report shows PFOS at or above the federal limit (0.0065 ug/L NL). Measured value is 1.1× the threshold.
+What's the federal limit for PFOS in drinking water?
The federal NL for PFOS is 0.0065 ug/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 328 systems on The Water Map measuring PFOS report it at or above the federal limit. Examples include Greensboro, NC, Riverside Highland Water Company — Grand Terrace, Ca, CA, Abilene, TX.
+Where does this PFOS measurement come from?
This page reproduces the PFOS entry from the 2023 Consumer Confidence Report published by the Los Angeles Cwwd 36-val Verde — Alhambra, 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/los-angeles-cwwd-36-val-verde-alhambra-ca/2023/source.