Disinfection byproducts · 2026

Chlorate in Escondido, City of, CA tap water

Detected — no federal limit

Escondido, City of, CA's 2026 report shows Chlorate detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Highest single sample
Entry point
580 UG/L
Highest single sample
Distribution
600 UG/L
Average
Entry point
377.5 UG/L
Average
Distribution
409.1666666666667 UG/L

Verbatim from Escondido, City of, CA's 2026 Consumer Confidence Report — source document ↗

About Chlorate

A byproduct that can form during disinfection, especially when hypochlorite solutions degrade.

Has no enforceable federal limit but is on the EPA contaminant candidate list; high levels can affect the thyroid.

How Escondido, City of, CA compares

1 of the 50 systems measuring Chlorate on The Water Map have it at or above the federal limit:

Nearby systems also reporting Chlorate:

People also ask

+Is there Chlorate in Escondido, City of, CA tap water?

Yes — Escondido, City of, CA's 2026 Consumer Confidence Report lists Chlorate at 409.1666666666667 UG/L. Escondido, City of, CA's 2026 report shows Chlorate detected, but the EPA has not set an enforceable federal limit for it.

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

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

+What is Chlorate?

A byproduct that can form during disinfection, especially when hypochlorite solutions degrade. Has no enforceable federal limit but is on the EPA contaminant candidate list; high levels can affect the thyroid.

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

1 of the 50 systems on The Water Map measuring Chlorate report it at or above the federal limit. Examples include Chula Vista Sweetwater, CA.

+Where does this Chlorate measurement come from?

This page reproduces the Chlorate entry from the 2026 Consumer Confidence Report published by the Escondido, City of, 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/escondido/2026/source.

Full report
All Escondido, City of, CA water-quality data →
Every contaminant measured in the 2026 report.
Contaminant pillar
Chlorate across the U.S. →
Every public water system measuring Chlorate, ranked.