Inorganic chemicals · 2025

Nitrate in Rancho Estates Mutual Water Co., CA tap water

Within the federal limit· 0.6× the limit

Rancho Estates Mutual Water Co., CA's 2025 Nitrate measurement is below the federal limit of 10 MG/L (MCL).

The measurement

StatisticValue
Average
Entry point
4.871818181818182 MG/L
Highest single sample
Entry point
6.9 MG/L
Average
Source water
6.206 MG/L
Highest single sample
Source water
12 MG/L

Verbatim from Rancho Estates Mutual Water Co., CA's 2025 Consumer Confidence Report — source document ↗

About Nitrate

A compound from fertilizer runoff, septic systems, and erosion of natural deposits.

Levels above the federal limit can cause 'blue baby syndrome,' a serious oxygen-transport condition in infants.

How Rancho Estates Mutual Water Co., CA compares

5 of the 401 systems measuring Nitrate on The Water Map have it at or above the federal limit:

Nearby systems also reporting Nitrate:

People also ask

+Is there Nitrate in Rancho Estates Mutual Water Co., CA tap water?

Yes — Rancho Estates Mutual Water Co., CA's 2025 Consumer Confidence Report lists Nitrate at 6.206 MG/L. Rancho Estates Mutual Water Co., CA's 2025 Nitrate measurement is below the federal limit of 10 MG/L (MCL).

+What's the federal limit for Nitrate in drinking water?

The federal MCL for Nitrate is 10 MG/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+What is Nitrate?

A compound from fertilizer runoff, septic systems, and erosion of natural deposits. Levels above the federal limit can cause 'blue baby syndrome,' a serious oxygen-transport condition in infants.

+Which other U.S. cities have Nitrate over the federal limit?

5 of the 401 systems on The Water Map measuring Nitrate report it at or above the federal limit. Examples include Columbus, OH, Hollywood, FL, Mcallen, TX.

+Where does this Nitrate measurement come from?

This page reproduces the Nitrate entry from the 2025 Consumer Confidence Report published by the Rancho Estates Mutual Water Co., 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/rancho-estates-mutual-water-co/2025/source.

Full report
All Rancho Estates Mutual Water Co., CA water-quality data →
Every contaminant measured in the 2025 report.
Contaminant pillar
Nitrate across the U.S. →
Every public water system measuring Nitrate, ranked.