Disinfection byproducts · 2023

Chlorate in Western MWD — Riverside, Ca, CA tap water

Detected — no federal limit

Western MWD — Riverside, Ca, CA's 2023 report shows Chlorate detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Rainbow Service Area Surface Water
80 ug/L
Average
Murrieta Service Area Surface Water
80 ug/L
Average
Riverside Service Area Surface Water
78 ug/L

Verbatim from Western MWD — Riverside, Ca, CA's 2023 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 Western MWD — Riverside, Ca, CA compares

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People also ask

+Is there Chlorate in Western MWD — Riverside, Ca, CA tap water?

Yes — Western MWD — Riverside, Ca, CA's 2023 Consumer Confidence Report lists Chlorate at 80 ug/L. Western MWD — Riverside, Ca, CA's 2023 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 federal NL for Chlorate is 800 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+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.

+Where does this Chlorate measurement come from?

This page reproduces the Chlorate entry from the 2023 Consumer Confidence Report published by the Western MWD — Riverside, 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/western-mwd-riverside-ca/2023/source.

Full report
All Western MWD — Riverside, Ca, CA water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
Chlorate across the U.S. →
Every public water system measuring Chlorate, ranked.