Disinfection byproducts · 2023

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

Detected — no federal limit

Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA's 2023 report shows Perchlorate detected, but the EPA has not set an enforceable federal limit for it.

The measurement

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

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

About Perchlorate

A chemical used in rocket fuel and fireworks that can also form during disinfection.

Can interfere with thyroid hormone production; has no national enforceable limit but is regulated in some states.

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

Nearby systems also reporting Perchlorate:

People also ask

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

Yes — Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA's 2023 Consumer Confidence Report lists Perchlorate at 1.8 ug/L. Foothill Municipal Water Dist. — La Canada Flintridge, Ca, CA's 2023 report shows Perchlorate detected, but the EPA has not set an enforceable federal limit for it.

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

The EPA has not set an enforceable federal limit for Perchlorate. Utilities still report any measured levels in their annual Consumer Confidence Report.

+What is Perchlorate?

A chemical used in rocket fuel and fireworks that can also form during disinfection. Can interfere with thyroid hormone production; has no national enforceable limit but is regulated in some states.

+Where does this Perchlorate measurement come from?

This page reproduces the Perchlorate 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
Perchlorate across the U.S. →
Every public water system measuring Perchlorate, ranked.