PFAS ("forever chemicals") · 2023

Perfluorohexanesulfonic acid in Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA tap water

Not detected

Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA's 2023 Consumer Confidence Report tested for Perfluorohexanesulfonic acid and reported no detectable amount.

The measurement

StatisticValue
Reported level
Mills Plant
Not detected ng/L
Reported level
Skinner Plant
Not detected ng/L
Reported level
Lake Skinner
Not detected ng/L
Reported level
Diemer Plant
Not detected ng/L
Reported level
Castaic Lake
Not detected ng/L
Reported level
Lake Perris
Not detected ng/L
Reported level
Lake Havasu
Not detected ng/L
Reported level
Silverwood Lake
Not detected ng/L
Reported level
Weymouth Plant
Not detected ng/L
Reported level
Lake Mathews
Not detected ng/L
Reported level
Jensen Plant
Not detected ng/L
Reported level
Diamond Valley Lake
Not detected ng/L

Verbatim from Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA's 2023 Consumer Confidence Report — source document ↗

About Perfluorohexanesulfonic acid

Perfluorohexanesulfonic acid, a PFAS 'forever chemical.'

Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.

How Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA compares

5 of the 284 systems measuring Perfluorohexanesulfonic acid on The Water Map have it at or above the federal limit:

Nearby systems also reporting Perfluorohexanesulfonic acid:

People also ask

+Is there Perfluorohexanesulfonic acid in Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA tap water?

Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA's 2023 Consumer Confidence Report tested for Perfluorohexanesulfonic acid and found no detectable amount.

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

The federal NL for Perfluorohexanesulfonic acid is 3 ng/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+What is Perfluorohexanesulfonic acid?

Perfluorohexanesulfonic acid, a PFAS 'forever chemical.' Regulated by the EPA at 10 parts per trillion and included in the PFAS Hazard Index.

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

5 of the 284 systems on The Water Map measuring Perfluorohexanesulfonic acid 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 Perfluorohexanesulfonic acid measurement come from?

This page reproduces the Perfluorohexanesulfonic acid entry from the 2023 Consumer Confidence Report published by the Foothill Municipal Water Dist. — La Canada Flintridge, 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/foothill-municipal-water-dist-la-canada-flintridge-ca/2023/source.

Full report
All Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
Perfluorohexanesulfonic acid across the U.S. →
Every public water system measuring Perfluorohexanesulfonic acid, ranked.