Inorganic chemicals · 2026
Nitrite in Irvine Ranch Water District, CA tap water
Irvine Ranch Water District, CA's 2026 Nitrite measurement is below the federal limit of 1 MG/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample Entry point | 0.49 MG/L | 1 MG/L MCL |
Average Source water | 0.004461538461538462 MG/L | 1 MG/L MCL |
Highest single sample Source water | 0.031 MG/L | 1 MG/L MCL |
Average Entry point | 0.229 MG/L | 1 MG/L MCL |
Verbatim from Irvine Ranch Water District, CA's 2026 Consumer Confidence Report — source document ↗
About Nitrite
A compound from fertilizer runoff, sewage, and erosion of natural deposits.
Like nitrate, elevated levels can cause 'blue baby syndrome' in infants.
How Irvine Ranch Water District, CA compares
1 of the 223 systems measuring Nitrite on The Water Map have it at or above the federal limit:
Nearby systems also reporting Nitrite:
People also ask
+Is there Nitrite in Irvine Ranch Water District, CA tap water?
Yes — Irvine Ranch Water District, CA's 2026 Consumer Confidence Report lists Nitrite at 0.229 MG/L. Irvine Ranch Water District, CA's 2026 Nitrite measurement is below the federal limit of 1 MG/L (MCL).
+What's the federal limit for Nitrite in drinking water?
The federal MCL for Nitrite is 1 MG/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Nitrite?
A compound from fertilizer runoff, sewage, and erosion of natural deposits. Like nitrate, elevated levels can cause 'blue baby syndrome' in infants.
+Which other U.S. cities have Nitrite over the federal limit?
1 of the 223 systems on The Water Map measuring Nitrite report it at or above the federal limit. Examples include Boonsboro Keedysville, MD.
+Where does this Nitrite measurement come from?
This page reproduces the Nitrite entry from the 2026 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/2026/source.