Physical & aggregate · 2023

Alkalinity in Los Angeles LADWP, CA tap water

Detected — no federal limit

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

The measurement

StatisticValue
Average
MWD Jensen Plant
98 mg/L
Average
MWD Weymouth Plant
118 mg/L
Range
MWD Diemer Plant
105–123 mg/L
Range
Southern Combined Wells
107–132 mg/L
Average
Southern Combined Wells
119 mg/L
Average
Los Angeles Aqueduct Filtration Plant
112 mg/L
Average
MWD Diemer Plant
114 mg/L
Range
MWD Jensen Plant
94–101 mg/L
Range
Los Angeles Aqueduct Filtration Plant
100–124 mg/L
Average
Northern Combined Wells
110 mg/L
Range
Northern Combined Wells
92–119 mg/L
Range
MWD Weymouth Plant
109–127 mg/L

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

About Alkalinity

A measure of the water's capacity to neutralize acids.

Not federally regulated for health; relevant to corrosion control and treatment.

How Los Angeles LADWP, CA compares

4 of the 96 systems measuring Alkalinity on The Water Map have it at or above the federal limit:

Nearby systems also reporting Alkalinity:

People also ask

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

Yes — Los Angeles LADWP, CA's 2023 Consumer Confidence Report lists Alkalinity at 119 mg/L. Los Angeles LADWP, CA's 2023 report shows Alkalinity detected, but the EPA has not set an enforceable federal limit for it.

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

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

+What is Alkalinity?

A measure of the water's capacity to neutralize acids. Not federally regulated for health; relevant to corrosion control and treatment.

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

4 of the 96 systems on The Water Map measuring Alkalinity report it at or above the federal limit. Examples include Pomona, CA, Burbank, CA, San Diego, CA.

+Where does this Alkalinity measurement come from?

This page reproduces the Alkalinity 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
Alkalinity across the U.S. →
Every public water system measuring Alkalinity, ranked.