Disinfection byproducts · 2024

Chlorate in Simi Valley, CA tap water

Within the federal limit· 0.1× the limit

Simi Valley, CA's 2024 Chlorate measurement is below the federal limit of 800 ug/L (Public health goal).

The measurement

StatisticValue
Average
Calleguas Lake Bard Water Filtration Plant
Not detected ug/L
Range
Tapo Canyon Water Treatment Plant
57 ug/L
Range
Metropolitan Jensen Plant
71 ug/L
Range
Calleguas Lake Bard Water Filtration Plant
Not detected ug/L
Average
Metropolitan Jensen Plant
71 ug/L
Average
Tapo Canyon Water Treatment Plant
57 ug/L

Verbatim from Simi Valley, CA's 2024 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 Simi Valley, CA compares

1 of the 55 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 Simi Valley, CA tap water?

Yes — Simi Valley, CA's 2024 Consumer Confidence Report lists Chlorate at 71 ug/L. Simi Valley, CA's 2024 Chlorate measurement is below the federal limit of 800 ug/L (Public health goal).

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

The federal Public health goal 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.

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

1 of the 55 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 2024 Consumer Confidence Report published by the Simi Valley, 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/simi-valley/2024/source.

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