Disinfection byproducts · 2024

Perchlorate in Rialto, CA tap water

Not detected

Rialto, CA's 2024 Consumer Confidence Report tested for Perchlorate and reported no detectable amount.

The measurement

StatisticValue
Reported level
Sbvmwd (Blf)
Not detected ug/L
Reported level
Sbvmwd (Blf)
Not detected ug/L
Reported level
Wvwd
Not detected ug/L
Reported level
Wvwd
Not detected ug/L
Reported level
City Of Rialto
Not detected ug/L
Reported level
City Of Rialto
Not detected ug/L

Verbatim from Rialto, CA's 2024 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 Rialto, CA compares

Nearby systems also reporting Perchlorate:

People also ask

+Is there Perchlorate in Rialto, CA tap water?

Rialto, CA's 2024 Consumer Confidence Report tested for Perchlorate and found no detectable amount.

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

The federal MCL for Perchlorate is 6 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+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 2024 Consumer Confidence Report published by the Rialto, 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/rialto/2024/source.

Full report
All Rialto, CA water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
Perchlorate across the U.S. →
Every public water system measuring Perchlorate, ranked.