Inorganic chemicals · 2026

Ammonia in City of Pittsburg, CA tap water

Detected — no federal limit

City of Pittsburg, CA's 2026 report shows Ammonia detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Highest single sample
Other
Not detected MG/L
Average
Entry point
0.38999999999999996 MG/L
Highest single sample
Entry point
0.42 MG/L

Verbatim from City of Pittsburg, CA's 2026 Consumer Confidence Report — source document ↗

How City of Pittsburg, CA compares

Nearby systems also reporting Ammonia:

People also ask

+Is there Ammonia in City of Pittsburg, CA tap water?

Yes — City of Pittsburg, CA's 2026 Consumer Confidence Report lists Ammonia at 0.38999999999999996 MG/L. City of Pittsburg, CA's 2026 report shows Ammonia detected, but the EPA has not set an enforceable federal limit for it.

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

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

+Where does this Ammonia measurement come from?

This page reproduces the Ammonia entry from the 2026 Consumer Confidence Report published by the City of Pittsburg, 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/pittsburg/2026/source.

Full report
All City of Pittsburg, CA water-quality data →
Every contaminant measured in the 2026 report.
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Every public water system measuring Ammonia, ranked.