Other · 2026
Nitrate Nitrite in City of Vacaville, CA tap water
City of Vacaville, CA's 2026 Nitrate Nitrite measurement is below the federal limit of 10 MG/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Source water | 2.8 MG/L | 10 MG/L MCL |
Average Source water | 0.9271428571428572 MG/L | 10 MG/L MCL |
Average Other | 0.28 MG/L | 10 MG/L MCL |
Highest single sample Other | 0.28 MG/L | 10 MG/L MCL |
Verbatim from City of Vacaville, CA's 2026 Consumer Confidence Report — source document ↗
How City of Vacaville, CA compares
4 of the 127 systems measuring Nitrate Nitrite on The Water Map have it at or above the federal limit:
Nearby systems also reporting Nitrate Nitrite:
People also ask
+Is there Nitrate Nitrite in City of Vacaville, CA tap water?
Yes — City of Vacaville, CA's 2026 Consumer Confidence Report lists Nitrate Nitrite at 0.9271428571428572 MG/L. City of Vacaville, CA's 2026 Nitrate Nitrite measurement is below the federal limit of 10 MG/L (MCL).
+What's the federal limit for Nitrate Nitrite in drinking water?
The federal MCL for Nitrate Nitrite is 10 MG/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+Which other U.S. cities have Nitrate Nitrite over the federal limit?
4 of the 127 systems on The Water Map measuring Nitrate Nitrite report it at or above the federal limit. Examples include Pomona - City, Water Dept., CA, Pomona - City, Water Dept., CA, Pomona - City, Water Dept., CA.
+Where does this Nitrate Nitrite measurement come from?
This page reproduces the Nitrate Nitrite 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.