Metals · 2023

Calcium in Los Angeles LADWP, CA tap water

Detected — no federal limit

Los Angeles LADWP, CA's 2023 report shows Calcium detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Range
MWD Weymouth Plant
59–76 mg/L
Range
MWD Jensen Plant
38–39 mg/L
Average
Northern Combined Wells
33 mg/L
Range
MWD Diemer Plant
58–78 mg/L
Range
Southern Combined Wells
30–53 mg/L
Range
Los Angeles Aqueduct Filtration Plant
30–32 mg/L
Average
MWD Weymouth Plant
68 mg/L
Average
MWD Jensen Plant
38 mg/L
Average
Southern Combined Wells
41 mg/L
Range
Northern Combined Wells
27–49 mg/L
Average
Los Angeles Aqueduct Filtration Plant
31 mg/L
Average
MWD Diemer Plant
68 mg/L

Verbatim from Los Angeles LADWP, CA's 2023 Consumer Confidence Report — source document ↗

About Calcium

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 117 systems measuring Calcium on The Water Map have it at or above the federal limit:

Nearby systems also reporting Calcium:

People also ask

+Is there Calcium in Los Angeles LADWP, CA tap water?

Yes — Los Angeles LADWP, CA's 2023 Consumer Confidence Report lists Calcium at 68 mg/L. Los Angeles LADWP, CA's 2023 report shows Calcium detected, but the EPA has not set an enforceable federal limit for it.

+What's the federal limit for Calcium in drinking water?

The EPA has not set an enforceable federal limit for Calcium. Utilities still report any measured levels in their annual Consumer Confidence Report.

+What is Calcium?

A naturally occurring mineral that contributes to water hardness. Not federally regulated for health; affects scaling and taste.

+Which other U.S. cities have Calcium over the federal limit?

3 of the 117 systems on The Water Map measuring Calcium report it at or above the federal limit. Examples include Pomona, CA, Burbank, CA, Vancouver, WA.

+Where does this Calcium measurement come from?

This page reproduces the Calcium 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.

Full report
All Los Angeles LADWP, CA water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
Calcium across the U.S. →
Every public water system measuring Calcium, ranked.