Radionuclides · 2021
Combined Radium in Signal Hill - City, Water Dept. — Signal Hill, Ca, CA tap water
Signal Hill - City, Water Dept. — Signal Hill, Ca, CA's 2021 report shows Combined Radium detected, but the EPA has not set an enforceable federal limit for it.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average MWD's Surface Water | Not detected | 5 MCL |
Average Treated Groundwater | Not detected | 5 MCL |
Range MWD's Surface Water | Not detected | 5 MCL |
Average MWD's Surface Water | Not detected | 5 MCL |
Range Treated Groundwater | Not detected | 5 MCL |
Average Treated Groundwater | Not detected | 5 MCL |
Range Treated Groundwater | Not detected | 5 MCL |
Range MWD's Surface Water | 0–1 | 5 MCL |
Verbatim from Signal Hill - City, Water Dept. — Signal Hill, 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 Signal Hill - City, Water Dept. — Signal Hill, 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 Signal Hill - City, Water Dept. — Signal Hill, Ca, CA tap water?
Yes — Signal Hill - City, Water Dept. — Signal Hill, Ca, CA's 2021 Consumer Confidence Report lists Combined Radium at Not detected. Signal Hill - City, Water Dept. — Signal Hill, Ca, CA's 2021 report shows Combined Radium detected, but the EPA has not set an enforceable federal limit for it.
+What's the federal limit for Combined Radium in drinking water?
The federal MCL for Combined Radium is 5 . 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 2021 Consumer Confidence Report published by the Signal Hill - City, Water Dept. — Signal Hill, 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/signal-hill-city-water-dept-signal-hill-ca/2021/source.