Radionuclides · 2024
Combined Radium in Clarksville, TN tap water
Clarksville, TN's 2024 Consumer Confidence Report shows Combined Radium at or above the federal limit (5 pCi/L MCL). Measured value is 2.4× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Number of samples taken/Number of samples required | 2 pCi/L | 5 pCi/L MCL |
Reported level When all samples should have been taken | 4 pCi/L | 5 pCi/L MCL |
Reported level When samples were or will be taken | 12 pCi/L | 5 pCi/L MCL |
Verbatim from Clarksville, TN's 2024 Consumer Confidence Report — source document ↗
About Combined Radium
Combined radium-226 and radium-228 — naturally occurring radioactive elements.
Long-term exposure above the federal limit increases the risk of bone cancer.
How Clarksville, TN compares
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People also ask
+Is there Combined Radium in Clarksville, TN tap water?
Yes — Clarksville, TN's 2024 Consumer Confidence Report lists Combined Radium at 12 pCi/L. Clarksville, TN's 2024 Consumer Confidence Report shows Combined Radium at or above the federal limit (5 pCi/L MCL). Measured value is 2.4× the threshold.
+What's the federal limit for Combined Radium in drinking water?
The federal MCL for Combined Radium is 5 pCi/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Combined Radium?
Combined radium-226 and radium-228 — naturally occurring radioactive elements. Long-term exposure above the federal limit increases the risk of bone cancer.
+Where does this Combined Radium measurement come from?
This page reproduces the Combined Radium entry from the 2024 Consumer Confidence Report published by the Clarksville, TN 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/tn/clarksville/2024/source.