How high are the radium levels?

The most recent test samples, taken on September 12, 2023, show that the rolling annual average level of combined radium—types 226 and 228—at the Inver Grove Heights Water Treatment Plant was 5.1 picoCuries per liter (pCi/L), which is under the allowable drinking water standard for radium, or Maximum Contaminant Level (MCL), of 5.4 pCi/L.

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1. When was the City made aware of the radium level being out of compliance?
2. How high are the radium levels?
3. What steps are being taken by the City of IGH?
4. Should I boil my water?
5. Should I drink bottled water?
6. Can children drink City water?
7. Will a carbon filter remove radium from water?
8. Is City water safe for bathing, swimming and brushing teeth?
9. Will the City be updating its water treatment plant to better address radium removal?
10. Where can residents find more information?
11. I didn't get a notice in the mail. Why not? How can I get one?
12. I have a private well. How do find information about radium levels in my drinking water?