Inorganic chemicals · 2026
Ammonia in City of Vacaville, CA tap water
City of Vacaville, CA's 2026 report shows Ammonia detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Other | 0.033 MG/L | None set |
Highest single sample Other | 0.033 MG/L | None set |
Verbatim from City of Vacaville, CA's 2026 Consumer Confidence Report — source document ↗
How City of Vacaville, CA compares
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People also ask
+Is there Ammonia in City of Vacaville, CA tap water?
Yes — City of Vacaville, CA's 2026 Consumer Confidence Report lists Ammonia at 0.033 MG/L. City of Vacaville, 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 Vacaville, 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/vacaville/2026/source.