Radionuclides · 2025
Gross Alpha in James City County, VA tap water
James City County, VA's 2025 Gross Alpha measurement is below the federal limit of 0 pCi/L (MCLG).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Maximum Max Conc | 0.6 pCi/L | 0 pCi/L MCLG |
Range System-wide | 0–0.6 pCi/L | 0 pCi/L MCLG |
Maximum Max Conc | 0.6 pCi/L | 0 pCi/L MCLG |
Range System-wide | 0–0.6 pCi/L | 0 pCi/L MCLG |
Verbatim from James City County, 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 James City County, VA compares
Nearby systems also reporting Gross Alpha:
People also ask
+Is there Gross Alpha in James City County, VA tap water?
Yes — James City County, VA's 2025 Consumer Confidence Report lists Gross Alpha at 0.6 pCi/L. James City County, 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 James City County, 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/james-city-county/2025/source.