Radionuclides · 2025

Gross Beta Particle Activity in York County, VA tap water

Detected — no federal limit

York County, VA's 2025 report shows Gross Beta Particle Activity detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Maximum
Max Conc
6.8 pCi/L
Reported level
System-wide
1.8 pCi/L
Range
System-wide
1.2–1.8 pCi/L
Maximum
Max Conc
1.8 pCi/L
Range
System-wide
3.1–6.8 pCi/L
Range
Range of Individual Test Results Low
1.2–1.8 pCi/L
Range
System-wide
3.1–6.8 pCi/L
Maximum
Max Detected Level
6.8 pCi/L

Verbatim from York County, VA's 2025 Consumer Confidence Report — source document ↗

About Gross Beta Particle Activity

Gross beta particle activity — a combined measure of beta-emitting radioactive substances.

Long-term exposure above the federal screening level increases cancer risk.

How York County, VA compares

1 of the 134 systems measuring Gross Beta Particle Activity on The Water Map have it at or above the federal limit:

Nearby systems also reporting Gross Beta Particle Activity:

People also ask

+Is there Gross Beta Particle Activity in York County, VA tap water?

Yes — York County, VA's 2025 Consumer Confidence Report lists Gross Beta Particle Activity at 6.8 pCi/L. York County, VA's 2025 report shows Gross Beta Particle Activity detected, but the EPA has not set an enforceable federal limit for it.

+What's the federal limit for Gross Beta Particle Activity in drinking water?

The federal MCLG for Gross Beta Particle Activity 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 Beta Particle Activity?

Gross beta particle activity — a combined measure of beta-emitting radioactive substances. Long-term exposure above the federal screening level increases cancer risk.

+Which other U.S. cities have Gross Beta Particle Activity over the federal limit?

1 of the 134 systems on The Water Map measuring Gross Beta Particle Activity report it at or above the federal limit. Examples include Pomona, CA.

+Where does this Gross Beta Particle Activity measurement come from?

This page reproduces the Gross Beta Particle Activity entry from the 2025 Consumer Confidence Report published by the York 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/york-county/2025/source.

Full report
All York County, VA water-quality data →
Every contaminant measured in the 2025 report.
Contaminant pillar
Gross Beta Particle Activity across the U.S. →
Every public water system measuring Gross Beta Particle Activity, ranked.