Radionuclides · 2024
Combined Radium in Norman, OK tap water
Norman, OK's 2024 Combined Radium measurement is below the federal limit of 5 pCi/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range System-wide | 1.73–3 pCi/L | 5 pCi/L MCL |
Range System-wide | 0.591–2.5 pCi/L | 5 pCi/L MCL |
Highest single sample System-wide | 2.5 pCi/L | 5 pCi/L MCL |
Maximum System-wide | 3 pCi/L | 5 pCi/L MCL |
Verbatim from Norman, OK's 2024 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 Norman, OK compares
5 of the 182 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 Norman, OK tap water?
Yes — Norman, OK's 2024 Consumer Confidence Report lists Combined Radium at 1.73–3 pCi/L. Norman, OK's 2024 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 182 systems on The Water Map measuring Combined Radium report it at or above the federal limit. Examples include Pomona, CA, West Covina, CA, Albuquerque, NM.
+Where does this Combined Radium measurement come from?
This page reproduces the Combined Radium entry from the 2024 Consumer Confidence Report published by the Norman, OK 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/ok/norman/2024/source.