Radionuclides · 2023
Combined Radium in West Valley Water District — Rialto, Ca, CA tap water
West Valley Water District — Rialto, Ca, CA's 2023 Combined Radium measurement is below the federal limit of 5 pCi/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Baseline Feeder | 2.4 pCi/L | 5 pCi/L MCL |
Reported level Fluidized Bed Reactors (FBR) | 0.2–0.36 pCi/L | 5 pCi/L MCL |
Reported level Fluidized Bed Reactors (FBR) | 0.58–1.2 pCi/L | 5 pCi/L MCL |
Reported level Wells | 0.32 pCi/L | 5 pCi/L MCL |
Reported level Wells | 0.89 pCi/L | 5 pCi/L MCL |
Verbatim from West Valley Water District — Rialto, Ca, CA's 2023 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 West Valley Water District — Rialto, Ca, CA compares
5 of the 464 systems measuring Combined Radium on The Water Map have it at or above the federal limit:
Nearby systems also reporting Combined Radium:
People also ask
+Is there Combined Radium in West Valley Water District — Rialto, Ca, CA tap water?
Yes — West Valley Water District — Rialto, Ca, CA's 2023 Consumer Confidence Report lists Combined Radium at 2.4 pCi/L. West Valley Water District — Rialto, Ca, CA's 2023 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.
+Which other U.S. cities have Combined Radium over the federal limit?
5 of the 464 systems on The Water Map measuring Combined Radium report it at or above the federal limit. Examples include Lynn, MA, Aurora, IL, Broad Creek, MD.
+Where does this Combined Radium measurement come from?
This page reproduces the Combined Radium entry from the 2023 Consumer Confidence Report published by the West Valley Water District — Rialto, Ca, 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/west-valley-water-district-rialto-ca/2023/source.