Radionuclides · 2025

Gross Alpha in City of Poquoson, VA tap water

Within the federal limit· 0.0× the limit

City of Poquoson, VA's 2025 Gross Alpha measurement is below the federal limit of 0 pCi/L (MCLG).

The measurement

StatisticValue
Maximum
Max Conc
0.6 pCi/L
Range
System-wide
0–0.6 pCi/L

Verbatim from City of Poquoson, VA's 2025 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 City of Poquoson, VA compares

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People also ask

+Is there Gross Alpha in City of Poquoson, VA tap water?

Yes — City of Poquoson, VA's 2025 Consumer Confidence Report lists Gross Alpha at 0.6 pCi/L. City of Poquoson, VA's 2025 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 2025 Consumer Confidence Report published by the City of Poquoson, VA 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/va/poquoson/2025/source.

Full report
All City of Poquoson, VA water-quality data →
Every contaminant measured in the 2025 report.
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