Other · 2025
Nitrate Nitrite in Irvine Ranch Water District, CA tap water
Irvine Ranch Water District, CA's 2025 Nitrate Nitrite measurement is below the federal limit of 10 MG/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Source water | 11 MG/L | 10 MG/L MCL |
Average Source water | 2.70112676056338 MG/L | 10 MG/L MCL |
Highest single sample Entry point | 11 MG/L | 10 MG/L MCL |
Average Entry point | 3.2861971830985914 MG/L | 10 MG/L MCL |
Verbatim from Irvine Ranch Water District, CA's 2025 Consumer Confidence Report — source document ↗
How Irvine Ranch Water District, 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 Irvine Ranch Water District, CA tap water?
Yes — Irvine Ranch Water District, CA's 2025 Consumer Confidence Report lists Nitrate Nitrite at 3.2861971830985914 MG/L. Irvine Ranch Water District, CA's 2025 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 2025 Consumer Confidence Report published by the Irvine Ranch Water District, 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/irvine-ranch-water-district/2025/source.