Radionuclides · 2023
Gross Alpha in San Antonio, TX tap water
San Antonio, TX's 2023 Gross Alpha measurement is below the federal limit of 0 pCi/L (MCLG).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Highest single sample System-wide | 6.2 pCi/L | 0 pCi/L MCLG |
Range Concentration Range Found | 0–6.2 pCi/L | 0 pCi/L MCLG |
Reported level System-wide | 3.9 pCi/L | 0 pCi/L MCLG |
Range Concentration Range Found | 3.9–3.9 pCi/L | 0 pCi/L MCLG |
Verbatim from San Antonio, TX's 2023 Consumer Confidence Report — source document ↗
About Gross Alpha
Gross alpha particle activity — a combined measure of alpha-emitting radioactive substances.
Long-term exposure above the federal limit increases cancer risk.
How San Antonio, TX compares
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People also ask
+Is there Gross Alpha in San Antonio, TX tap water?
Yes — San Antonio, TX's 2023 Consumer Confidence Report lists Gross Alpha at 6.2 pCi/L. San Antonio, TX's 2023 Gross Alpha measurement is below the federal limit of 0 pCi/L (MCLG).
+What's the federal limit for Gross Alpha in drinking water?
The federal MCLG for Gross Alpha is 0 pCi/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Gross Alpha?
Gross alpha particle activity — a combined measure of alpha-emitting radioactive substances. Long-term exposure above the federal limit increases cancer risk.
+Where does this Gross Alpha measurement come from?
This page reproduces the Gross Alpha 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.