Metals · 2025
Magnesium in Riverside, City of, CA tap water
Riverside, City of, CA's 2025 report shows Magnesium detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Source water | 9.27560975609756 MG/L | None set |
Highest single sample Source water | 24 MG/L | None set |
Highest single sample Entry point | 15 MG/L | None set |
Highest single sample Distribution | 19 MG/L | None set |
Average Distribution | 8.926923076923076 MG/L | None set |
Average Entry point | 9.831578947368422 MG/L | None set |
Verbatim from Riverside, City of, CA's 2025 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 Riverside, City of, CA compares
Nearby systems also reporting Magnesium:
People also ask
+Is there Magnesium in Riverside, City of, CA tap water?
Yes — Riverside, City of, CA's 2025 Consumer Confidence Report lists Magnesium at 9.831578947368422 MG/L. Riverside, City of, CA's 2025 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 2025 Consumer Confidence Report published by the Riverside, City of, 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/riverside/2025/source.