Metals · 2023
Magnesium in Los Angeles LADWP, CA tap water
Los Angeles LADWP, 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 |
|---|---|---|
Range Los Angeles Aqueduct Filtration Plant | 7.6–9.2 mg/L | None set |
Average Northern Combined Wells | 8.3 mg/L | None set |
Range Southern Combined Wells | 8.3–15 mg/L | None set |
Average Southern Combined Wells | 11.1 mg/L | None set |
Average MWD Weymouth Plant | 26 mg/L | None set |
Average MWD Diemer Plant | 26 mg/L | None set |
Average MWD Jensen Plant | 14 mg/L | None set |
Range Northern Combined Wells | 6.3–12.9 mg/L | None set |
Range MWD Jensen Plant | 13–14 mg/L | None set |
Average Los Angeles Aqueduct Filtration Plant | 8.3 mg/L | None set |
Range MWD Weymouth Plant | 23–29 mg/L | None set |
Range MWD Diemer Plant | 22–29 mg/L | None set |
Verbatim from Los Angeles LADWP, 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 Los Angeles LADWP, CA compares
3 of the 111 systems measuring Magnesium on The Water Map have it at or above the federal limit:
Nearby systems also reporting Magnesium:
People also ask
+Is there Magnesium in Los Angeles LADWP, CA tap water?
Yes — Los Angeles LADWP, CA's 2023 Consumer Confidence Report lists Magnesium at 26 mg/L. Los Angeles LADWP, 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.
+Which other U.S. cities have Magnesium over the federal limit?
3 of the 111 systems on The Water Map measuring Magnesium report it at or above the federal limit. Examples include Pomona, CA, Burbank, CA, Vancouver, WA.
+Where does this Magnesium measurement come from?
This page reproduces the Magnesium entry from the 2023 Consumer Confidence Report published by the Los Angeles LADWP, 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/los-angeles-ladwp/2023/source.