Disinfection byproducts · 2024
Chlorate in Hayward, CA tap water
Hayward, CA's 2024 report shows Chlorate detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range System-wide | 24–597 ug/L | None set |
Average System-wide | 134 ug/L | None set |
Verbatim from Hayward, 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 Hayward, CA compares
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People also ask
+Is there Chlorate in Hayward, CA tap water?
Yes — Hayward, CA's 2024 Consumer Confidence Report lists Chlorate at 134 ug/L. Hayward, CA's 2024 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.
+Where does this Chlorate measurement come from?
This page reproduces the Chlorate entry from the 2024 Consumer Confidence Report published by the Hayward, 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/hayward/2024/source.