Inorganic chemicals · 2024

Nitrate in Diablo Water District, CA tap water

Within the federal limit· 0.1× the limit

Diablo Water District, CA's 2024 Nitrate measurement is below the federal limit of 10 mg/L (MCLG).

The measurement

StatisticValue
Average
System-wide
1.2 mg/L
Average
System-wide
0.3 mg/L
Range
Range Detected
0–0.8 mg/L
Average
System-wide
0.3 mg/L
Average
System-wide
0.5 mg/L
Range
Range Detected
0–0.9 mg/L
Range
Range Detected
0–0.8 mg/L
Range
Range Detected
0–1.7 mg/L

Verbatim from Diablo Water District, CA's 2024 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 Diablo Water District, CA compares

5 of the 318 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 Diablo Water District, CA tap water?

Yes — Diablo Water District, CA's 2024 Consumer Confidence Report lists Nitrate at 1.2 mg/L. Diablo Water District, CA's 2024 Nitrate measurement is below the federal limit of 10 mg/L (MCLG).

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

The federal MCLG 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 318 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 2024 Consumer Confidence Report published by the Diablo 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/diablo-water-district/2024/source.

Full report
All Diablo Water District, CA water-quality data →
Every contaminant measured in the 2024 report.
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