Disinfection byproducts · 2021
Chlorate in Hawthorne-city Water Dept. — San Jose, Ca, CA tap water
Hawthorne-city Water Dept. — San Jose, Ca, CA's 2021 report shows Chlorate detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range West Basin MWD | 88–243 ug/L | 800 ug/L NL |
Average West Basin MWD | 165.5 ug/L | 800 ug/L NL |
Verbatim from Hawthorne-city Water Dept. — San Jose, Ca, CA's 2021 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 Hawthorne-city Water Dept. — San Jose, Ca, CA compares
Nearby systems also reporting Chlorate:
People also ask
+Is there Chlorate in Hawthorne-city Water Dept. — San Jose, Ca, CA tap water?
Yes — Hawthorne-city Water Dept. — San Jose, Ca, CA's 2021 Consumer Confidence Report lists Chlorate at 165.5 ug/L. Hawthorne-city Water Dept. — San Jose, Ca, CA's 2021 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 2021 Consumer Confidence Report published by the Hawthorne-city Water Dept. — San Jose, 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/hawthorne-city-water-dept-san-jose-ca/2021/source.