Other · 2025

Nitrate Nitrite in Cal-water Service Co.-chico, CA tap water

Within the federal limit· 0.4× the limit

Cal-water Service Co.-chico, CA's 2025 Nitrate Nitrite measurement is below the federal limit of 10 MG/L (MCL).

The measurement

StatisticValue
Highest single sample
Entry point
3.6 MG/L
Average
Entry point
3.6 MG/L
Average
Source water
1.5420454545454545 MG/L
Highest single sample
Source water
5.6 MG/L

Verbatim from Cal-water Service Co.-chico, CA's 2025 Consumer Confidence Report — source document ↗

How Cal-water Service Co.-chico, 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 Cal-water Service Co.-chico, CA tap water?

Yes — Cal-water Service Co.-chico, CA's 2025 Consumer Confidence Report lists Nitrate Nitrite at 3.6 MG/L. Cal-water Service Co.-chico, 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 Cal-water Service Co.-chico, 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/cal-water-service-co-chico/2025/source.

Full report
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