Radionuclides · 2023
Combined Radium in Santa Fe I.d. — Rancho Santa Fe, Ca, CA tap water
Santa Fe I.d. — Rancho Santa Fe, 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 System-wide | 0.59 pCi/L | 5 pCi/L MCL |
Reported level System-wide | 0.08 pCi/L | 5 pCi/L MCL |
Range System-wide | 0.59–0.59 pCi/L | 5 pCi/L MCL |
Range System-wide | 0.0803–0.0803 pCi/L | 5 pCi/L MCL |
Verbatim from Santa Fe I.d. — Rancho Santa Fe, 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 Santa Fe I.d. — Rancho Santa Fe, 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 Santa Fe I.d. — Rancho Santa Fe, Ca, CA tap water?
Yes — Santa Fe I.d. — Rancho Santa Fe, Ca, CA's 2023 Consumer Confidence Report lists Combined Radium at 0.59 pCi/L. Santa Fe I.d. — Rancho Santa Fe, 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 Santa Fe I.d. — Rancho Santa Fe, 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/santa-fe-i-d-rancho-santa-fe-ca/2023/source.