Physical & aggregate · 2025

Alkalinity in City of Fullerton, CA tap water

Detected — no federal limit

City of Fullerton, CA's 2025 report shows Alkalinity detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Entry point
122.75 MG/L
Highest single sample
Entry point
127 MG/L
Average
Source water
127.80714285714285 MG/L
Highest single sample
Source water
219 MG/L

Verbatim from City of Fullerton, CA's 2025 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 City of Fullerton, CA compares

Nearby systems also reporting Alkalinity:

People also ask

+Is there Alkalinity in City of Fullerton, CA tap water?

Yes — City of Fullerton, CA's 2025 Consumer Confidence Report lists Alkalinity at 127.80714285714285 MG/L. City of Fullerton, CA's 2025 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.

+Where does this Alkalinity measurement come from?

This page reproduces the Alkalinity entry from the 2025 Consumer Confidence Report published by the City of Fullerton, 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/fullerton/2025/source.

Full report
All City of Fullerton, CA water-quality data →
Every contaminant measured in the 2025 report.
Contaminant pillar
Alkalinity across the U.S. →
Every public water system measuring Alkalinity, ranked.