Other · 2024
Nitrate Nitrite in Ontario, CA tap water
Ontario, CA's 2024 Nitrate Nitrite measurement is below the federal limit of 10 mg/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Local Groundwater | 2.7 mg/L | 10 mg/L MCL |
Reported level Source water | 0.7 mg/L | 10 mg/L MCL |
Verbatim from Ontario, CA's 2024 Consumer Confidence Report — source document ↗
How Ontario, CA compares
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People also ask
+Is there Nitrate Nitrite in Ontario, CA tap water?
Yes — Ontario, CA's 2024 Consumer Confidence Report lists Nitrate Nitrite at 2.7 mg/L. Ontario, CA's 2024 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.
+Where does this Nitrate Nitrite measurement come from?
This page reproduces the Nitrate Nitrite entry from the 2024 Consumer Confidence Report published by the Ontario, 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/ontario/2024/source.