Disinfection byproducts · 2023
Perchlorate in Cwsc Los Altos Suburban — San Jose, Ca, CA tap water
Cwsc Los Altos Suburban — San Jose, Ca, CA's 2023 report shows Perchlorate detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Groundwater | Not detected ug/L | None set |
Range Groundwater | 0–3 ug/L | None set |
Verbatim from Cwsc Los Altos Suburban — San Jose, Ca, CA's 2023 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 Cwsc Los Altos Suburban — San Jose, Ca, CA compares
Nearby systems also reporting Perchlorate:
People also ask
+Is there Perchlorate in Cwsc Los Altos Suburban — San Jose, Ca, CA tap water?
Yes — Cwsc Los Altos Suburban — San Jose, Ca, CA's 2023 Consumer Confidence Report lists Perchlorate at Not detected ug/L. Cwsc Los Altos Suburban — San Jose, Ca, CA's 2023 report shows Perchlorate detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Perchlorate in drinking water?
The EPA has not set an enforceable federal limit for Perchlorate. Utilities still report any measured levels in their annual Consumer Confidence Report.
+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 2023 Consumer Confidence Report published by the Cwsc Los Altos Suburban — 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/cwsc-los-altos-suburban-san-jose-ca/2023/source.