Disinfection byproducts · 2024

Perchlorate in Riverside, CA tap water

Within the federal limit· 0.3× the limit

Riverside, CA's 2024 Perchlorate measurement is below the federal limit of 6 (MCL).

The measurement

StatisticValue
Range
Riverside Public Utilities
0–2.9
Average
Riverside Public Utilities Promedio
2
Range
Riverside Public Utilities Rango
0–2.9
Average
Riverside Public Utilities
2

Verbatim from Riverside, 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 Riverside, CA compares

Nearby systems also reporting Perchlorate:

People also ask

+Is there Perchlorate in Riverside, CA tap water?

Yes — Riverside, CA's 2024 Consumer Confidence Report lists Perchlorate at 2. Riverside, CA's 2024 Perchlorate measurement is below the federal limit of 6 (MCL).

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

The federal MCL for Perchlorate is 6 . 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 Riverside, 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/riverside/2024/source.

Full report
All Riverside, 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.