Physical & aggregate · 2025

Alkalinity in Brentwood, CA tap water

Detected — no federal limit

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

The measurement

StatisticValue
Highest single sample
Source water
220 MG/L
Average
Source water
136.22222222222223 MG/L

Verbatim from Brentwood, 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 Brentwood, CA compares

Nearby systems also reporting Alkalinity:

People also ask

+Is there Alkalinity in Brentwood, CA tap water?

Yes — Brentwood, CA's 2025 Consumer Confidence Report lists Alkalinity at 136.22222222222223 MG/L. Brentwood, 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 Brentwood, 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/brentwood/2025/source.

Full report
All Brentwood, 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.