Radionuclides · 2021
Combined Radium in Walnut Valley Water District — Walnut, Ca, CA tap water
Walnut Valley Water District — Walnut, Ca, CA's 2021 Combined Radium measurement is below the federal limit of 0.05 pCi/L (Public health goal).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Three Valleys Municipal Water District (Groundwater) | 0.147 pCi/L | 0.05 pCi/L Public health goal |
Range Metropolitan Water District of Southern California | 0–1 pCi/L | 0.019 pCi/L Public health goal |
Reported level Three Valleys Municipal Water District (Groundwater) | 0.001 pCi/L | 0.019 pCi/L Public health goal |
Reported level Metropolitan Water District of Southern California | Not detected pCi/L | 5 pCi/L MCL |
Reported level Three Valleys Municipal Water District (Groundwater) | 0.148 pCi/L | 5 pCi/L MCL |
Verbatim from Walnut Valley Water District — Walnut, Ca, 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 Walnut Valley Water District — Walnut, Ca, CA compares
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People also ask
+Is there Combined Radium in Walnut Valley Water District — Walnut, Ca, CA tap water?
Yes — Walnut Valley Water District — Walnut, Ca, CA's 2021 Consumer Confidence Report lists Combined Radium at 0–1 pCi/L. Walnut Valley Water District — Walnut, Ca, CA's 2021 Combined Radium measurement is below the federal limit of 0.05 pCi/L (Public health goal).
+What's the federal limit for Combined Radium in drinking water?
The federal Public health goal for Combined Radium is 0.05 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 Walnut Valley Water District — Walnut, 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/walnut-valley-water-district-walnut-ca/2021/source.