Metals · 2024

Magnesium in Simi Valley, CA tap water

Detected — no federal limit

Simi Valley, CA's 2024 report shows Magnesium detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Tapo Canyon Water Treatment Plant
12.2 mg/L
Range
Tapo Canyon Water Treatment Plant
11.4–13 mg/L
Average
Metropolitan Jensen Plant
14 mg/L
Range
Metropolitan Jensen Plant
13–14 mg/L
Average
Calleguas Lake Bard Water Filtration Plant
17 mg/L
Range
Calleguas Lake Bard Water Filtration Plant
17 mg/L

Verbatim from Simi Valley, CA's 2024 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 Simi Valley, CA compares

Nearby systems also reporting Magnesium:

People also ask

+Is there Magnesium in Simi Valley, CA tap water?

Yes — Simi Valley, CA's 2024 Consumer Confidence Report lists Magnesium at 17 mg/L. Simi Valley, CA's 2024 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 2024 Consumer Confidence Report published by the Simi Valley, 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/simi-valley/2024/source.

Full report
All Simi Valley, CA water-quality data →
Every contaminant measured in the 2024 report.
Contaminant pillar
Magnesium across the U.S. →
Every public water system measuring Magnesium, ranked.