Radionuclides · 2024
Gross Alpha in Cedar Ridge, MD tap water
Cedar Ridge, MD's 2024 Gross Alpha measurement is below the federal limit of 0 pCi/L (MCLG).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range System-wide | 8.7–8.7 pCi/L | 0 pCi/L MCLG |
Reported level System-wide | 8.7 pCi/L | 0 pCi/L MCLG |
Verbatim from Cedar Ridge, MD's 2024 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 Cedar Ridge, MD compares
1 of the 18 MD systems measuring Gross Alpha on The Water Map have it at or above the federal limit:
Nearby systems also reporting Gross Alpha:
People also ask
+Is there Gross Alpha in Cedar Ridge, MD tap water?
Yes — Cedar Ridge, MD's 2024 Consumer Confidence Report lists Gross Alpha at 8.7–8.7 pCi/L. Cedar Ridge, MD's 2024 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.
+Which other U.S. cities have Gross Alpha over the federal limit?
1 of the 18 MD systems on The Water Map measuring Gross Alpha report it at or above the federal limit. Examples include Poolesville, MD.
+Where does this Gross Alpha measurement come from?
This page reproduces the Gross Alpha entry from the 2024 Consumer Confidence Report published by the Cedar Ridge, MD 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/md/cedar-ridge/2024/source.