Radionuclides · 2024
Gross Alpha in Jacksonville, FL tap water
Jacksonville, FL's 2024 report shows Gross Alpha detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Palm Valley | Not detected pCi/L | 0 pCi/L MCLG |
Range Lofton Oaks Grid | Not detected pCi/L | 0 pCi/L MCLG |
Range Major Grid | Not detected pCi/L | 0 pCi/L MCLG |
Reported level Ponte Vedra Grid | Not detected pCi/L | 0 pCi/L MCLG |
Range Mayport | Not detected pCi/L | 0 pCi/L MCLG |
Reported level Palm Valley | Not detected pCi/L | 0 pCi/L MCLG |
Reported level Lofton Oaks Grid | Not detected pCi/L | 0 pCi/L MCLG |
Range Ponte Vedra Grid | Not detected pCi/L | 0 pCi/L MCLG |
Reported level Ponce de Leon Grid | 7.24 pCi/L | 0 pCi/L MCLG |
Range Ponce de Leon Grid | 0–7.24 pCi/L | 0 pCi/L MCLG |
Reported level Major Grid | Not detected pCi/L | 0 pCi/L MCLG |
Reported level Mayport | Not detected pCi/L | 0 pCi/L MCLG |
Verbatim from Jacksonville, FL'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 Jacksonville, FL compares
4 of the 186 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 Jacksonville, FL tap water?
Yes — Jacksonville, FL's 2024 Consumer Confidence Report lists Gross Alpha at 7.24 pCi/L. Jacksonville, FL's 2024 report shows Gross Alpha detected, but the EPA has not set an enforceable federal limit for it.
+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?
4 of the 186 systems on The Water Map measuring Gross Alpha report it at or above the federal limit. Examples include Pomona, CA, Birmingham, AL, Burbank, CA.
+Where does this Gross Alpha measurement come from?
This page reproduces the Gross Alpha entry from the 2024 Consumer Confidence Report published by the Jacksonville, FL 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/fl/jacksonville/2024/source.