Radionuclides · 2021
Combined Radium in Joint Regional Water Supply System, CA tap water
Joint Regional Water Supply System, CA's 2021 Combined Radium measurement is below the federal limit of 5 pCi/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average Average Amount | 0.33 pCi/L | 5 pCi/L MCL |
Range System-wide | 0.33 pCi/L | 5 pCi/L MCL |
Verbatim from Joint Regional Water Supply System, CA's 2021 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 Joint Regional Water Supply System, CA compares
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People also ask
+Is there Combined Radium in Joint Regional Water Supply System, CA tap water?
Yes — Joint Regional Water Supply System, CA's 2021 Consumer Confidence Report lists Combined Radium at 0.33 pCi/L. Joint Regional Water Supply System, CA's 2021 Combined Radium measurement is below the federal limit of 5 pCi/L (MCL).
+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 2021 Consumer Confidence Report published by the Joint Regional Water Supply System, CA 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/ca/joint-regional-water-supply-system/2021/source.