Metals · 2023
Magnesium in Pasadena, CA tap water
Pasadena, CA's 2023 report shows Magnesium detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Pasadena Sources | 24 mg/L | None set |
Range Pasadena Sources | 12–32 mg/L | None set |
Average MWD Weymouth Plant | 10 mg/L | None set |
Range MWD Weymouth Plant | 7.8–13 mg/L | None set |
Verbatim from Pasadena, CA's 2023 Consumer Confidence Report — source document ↗
About Magnesium
A naturally occurring mineral that contributes to water hardness.
Not federally regulated for health; affects scaling and taste.
How Pasadena, CA compares
Nearby systems also reporting Magnesium:
People also ask
+Is there Magnesium in Pasadena, CA tap water?
Yes — Pasadena, CA's 2023 Consumer Confidence Report lists Magnesium at 24 mg/L. Pasadena, CA's 2023 report shows Magnesium detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Magnesium in drinking water?
The EPA has not set an enforceable federal limit for Magnesium. Utilities still report any measured levels in their annual Consumer Confidence Report.
+What is Magnesium?
A naturally occurring mineral that contributes to water hardness. Not federally regulated for health; affects scaling and taste.
+Where does this Magnesium measurement come from?
This page reproduces the Magnesium entry from the 2023 Consumer Confidence Report published by the Pasadena, 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/pasadena/2023/source.