Disinfection byproducts · 2023
Perchlorate in Western MWD — Riverside, Ca, CA tap water
Western MWD — Riverside, 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 Murrieta Service Area Local Groundwater | Not detected ug/L | None set |
Average Rainbow Service Area Surface Water | Not detected ug/L | None set |
Average Murrieta Service Area Surface Water | Not detected ug/L | None set |
Average Riverside Service Area Surface Water | Not detected ug/L | None set |
Range Riverside Service Area Local Groundwater | 0–2.9 ug/L | None set |
Average Riverside Service Area Local Groundwater | 1.3 ug/L | None set |
Verbatim from Western MWD — Riverside, 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 Western MWD — Riverside, Ca, CA compares
Nearby systems also reporting Perchlorate:
People also ask
+Is there Perchlorate in Western MWD — Riverside, Ca, CA tap water?
Yes — Western MWD — Riverside, Ca, CA's 2023 Consumer Confidence Report lists Perchlorate at 1.3 ug/L. Western MWD — Riverside, 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 Western MWD — Riverside, 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/western-mwd-riverside-ca/2023/source.