PFAS ("forever chemicals") · 2022

PFOS in Cal-am Water Company - Duarte — Rosemead, Ca, CA tap water

Within the federal limit· 0.3× the limit

Cal-am Water Company - Duarte — Rosemead, Ca, CA's 2022 PFOS measurement is below the federal limit.

The measurement

StatisticValue
Average
System-wide
1.3 ng/L
Range
Range Detected
8.1 ng/L

Verbatim from Cal-am Water Company - Duarte — Rosemead, Ca, CA's 2022 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 Cal-am Water Company - Duarte — Rosemead, 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 Cal-am Water Company - Duarte — Rosemead, Ca, CA tap water?

Yes — Cal-am Water Company - Duarte — Rosemead, Ca, CA's 2022 Consumer Confidence Report lists PFOS at 1.3 ng/L. Cal-am Water Company - Duarte — Rosemead, Ca, CA's 2022 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 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 2022 Consumer Confidence Report published by the Cal-am Water Company - Duarte — Rosemead, 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/cal-am-water-company-duarte-rosemead-ca/2022/source.

Full report
All Cal-am Water Company - Duarte — Rosemead, Ca, CA water-quality data →
Every contaminant measured in the 2022 report.
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