PFAS ("forever chemicals") · 2021

PFOA in Commerce-city, Water Dept. — San Jose, Ca, CA tap water

Over the federal limit· 2.5× the limit

Commerce-city, Water Dept. — San Jose, Ca, CA's 2021 Consumer Confidence Report shows PFOA at or above the federal limit (5.1 ng/L NL). Measured value is 2.5× the threshold.

The measurement

StatisticValue
Average
Groundwater
10 ng/L
Average
West Basin MWD
Not detected ng/L
Range
Groundwater
0–17 ng/L

Verbatim from Commerce-city, Water Dept. — San Jose, Ca, CA's 2021 Consumer Confidence Report — source document ↗

About PFOA

Perfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products.

Linked to cancer, liver damage, and immune effects; the EPA set an enforceable limit of 4 parts per trillion.

How Commerce-city, Water Dept. — San Jose, Ca, CA compares

5 of the 331 systems measuring PFOA on The Water Map have it at or above the federal limit:

Nearby systems also reporting PFOA:

People also ask

+Is there PFOA in Commerce-city, Water Dept. — San Jose, Ca, CA tap water?

Yes — Commerce-city, Water Dept. — San Jose, Ca, CA's 2021 Consumer Confidence Report lists PFOA at 10 ng/L. Commerce-city, Water Dept. — San Jose, Ca, CA's 2021 Consumer Confidence Report shows PFOA at or above the federal limit (5.1 ng/L NL). Measured value is 2.5× the threshold.

+What's the federal limit for PFOA in drinking water?

The federal NL for PFOA is 5.1 ng/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+What is PFOA?

Perfluorooctanoic acid, a PFAS 'forever chemical' once used in nonstick and stain-resistant products. Linked to cancer, liver damage, and immune effects; the EPA set an enforceable limit of 4 parts per trillion.

+Which other U.S. cities have PFOA over the federal limit?

5 of the 331 systems on The Water Map measuring PFOA report it at or above the federal limit. Examples include Riverside Highland Water Company — Grand Terrace, Ca, CA, Greensboro, NC, Abilene, TX.

+Where does this PFOA measurement come from?

This page reproduces the PFOA entry from the 2021 Consumer Confidence Report published by the Commerce-city, Water Dept. — 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/commerce-city-water-dept-san-jose-ca/2021/source.

Full report
All Commerce-city, Water Dept. — San Jose, Ca, CA water-quality data →
Every contaminant measured in the 2021 report.
Contaminant pillar
PFOA across the U.S. →
Every public water system measuring PFOA, ranked.