Inorganic chemicals · 2026
Ammonia in San Diego, City of, CA tap water
San Diego, City of, 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 |
|---|---|---|
Highest single sample Source water | 0.044 MG/L | None set |
Average Source water | 0.0295 MG/L | None set |
Verbatim from San Diego, City of, CA's 2026 Consumer Confidence Report — source document ↗
How San Diego, City of, CA compares
Nearby systems also reporting Ammonia:
People also ask
+Is there Ammonia in San Diego, City of, CA tap water?
Yes — San Diego, City of, CA's 2026 Consumer Confidence Report lists Ammonia at 0.0295 MG/L. San Diego, City of, 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 San Diego, City of, 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/san-diego/2026/source.