Disinfection byproducts · 2022
Perchlorate in Cal/am Water Company - San Marino — Rosemead, Ca, CA tap water
Cal/am Water Company - San Marino — Rosemead, Ca, CA's 2022 report shows Perchlorate detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range 90% San Marino Distribution System | 3.6 ug/L | 1 ug/L Public health goal |
Average 90% San Marino Distribution System | 0.72 ug/L | 1 ug/L Public health goal |
Range 10% MWD Weymouth | Not detected ug/L | 1 ug/L Public health goal |
Average 10% MWD Weymouth | Not detected ug/L | 1 ug/L Public health goal |
Verbatim from Cal/am Water Company - San Marino — Rosemead, Ca, CA's 2022 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 Cal/am Water Company - San Marino — Rosemead, Ca, CA compares
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People also ask
+Is there Perchlorate in Cal/am Water Company - San Marino — Rosemead, Ca, CA tap water?
Yes — Cal/am Water Company - San Marino — Rosemead, Ca, CA's 2022 Consumer Confidence Report lists Perchlorate at 0.72 ug/L. Cal/am Water Company - San Marino — Rosemead, Ca, CA's 2022 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 federal Public health goal for Perchlorate is 1 ug/L. 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 2022 Consumer Confidence Report published by the Cal/am Water Company - San Marino — Rosemead, 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/cal-am-water-company-san-marino-rosemead-ca/2022/source.