Inorganic chemicals · 2023

Nitrate in San Antonio, TX tap water

Within the federal limit· 0.3× the limit

San Antonio, TX's 2023 Nitrate measurement is below the federal limit of 10 mg/L (MCLG).

The measurement

StatisticValue
Range
Concentration Range Found
0–2.51 mg/L
Reported level
System-wide
2.51 mg/L

Verbatim from San Antonio, TX's 2023 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 San Antonio, TX 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 San Antonio, TX tap water?

Yes — San Antonio, TX's 2023 Consumer Confidence Report lists Nitrate at 0–2.51 mg/L. San Antonio, TX's 2023 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 2023 Consumer Confidence Report published by the San Antonio, TX 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/tx/san-antonio/2023/source.

Full report
All San Antonio, TX water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
Nitrate across the U.S. →
Every public water system measuring Nitrate, ranked.