Radionuclides · 2023
Uranium in Three Valleys MWD — Claremont, Ca, CA tap water
Three Valleys MWD — Claremont, Ca, CA's 2023 report shows Uranium detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Column 7 | 1.6 pCi/L | 20 pCi/L MCL |
Reported level Column 4 | Not detected pCi/L | 20 pCi/L MCL |
Reported level Column 3 | 0–3 pCi/L | 20 pCi/L MCL |
Reported level Column 8 | 3.4 pCi/L | 20 pCi/L MCL |
Verbatim from Three Valleys MWD — Claremont, Ca, CA's 2023 Consumer Confidence Report — source document ↗
About Uranium
A naturally occurring radioactive metal from erosion of natural deposits.
Long-term exposure above the federal limit can damage the kidneys and increase cancer risk.
How Three Valleys MWD — Claremont, Ca, CA compares
1 of the 773 systems measuring Uranium on The Water Map have it at or above the federal limit:
Nearby systems also reporting Uranium:
People also ask
+Is there Uranium in Three Valleys MWD — Claremont, Ca, CA tap water?
Yes — Three Valleys MWD — Claremont, Ca, CA's 2023 Consumer Confidence Report lists Uranium at 3.4 pCi/L. Three Valleys MWD — Claremont, Ca, CA's 2023 report shows Uranium detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Uranium in drinking water?
The federal MCL for Uranium is 20 pCi/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is Uranium?
A naturally occurring radioactive metal from erosion of natural deposits. Long-term exposure above the federal limit can damage the kidneys and increase cancer risk.
+Which other U.S. cities have Uranium over the federal limit?
1 of the 773 systems on The Water Map measuring Uranium report it at or above the federal limit. Examples include Cal Am - Bass Lake — Sacramento, Ca, CA.
+Where does this Uranium measurement come from?
This page reproduces the Uranium entry from the 2023 Consumer Confidence Report published by the Three Valleys MWD — Claremont, 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/three-valleys-mwd-claremont-ca/2023/source.