Strontium

Cedar Rapids Water Department

Strontium is a metal that accumulates in the bones. Radioactive strontium-90 can cause bone cancer and leukemia, and any form of strontium at high doses can harm bone health.

MORE ABOUT THIS CONTAMINANT

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2013	0.0667 ppb	16	16	0.0550 ppb - 0.0750 ppb
2014	0.0643 ppb	3	3	0.0630 ppb - 0.0660 ppb
2015	N/A	0	0	N/A
2016	N/A	0	0	N/A
2017	N/A	0	0	N/A
2018	N/A	0	0	N/A
2019	N/A	0	0	N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 1,500 ppb

The EWG Health Guideline of 1,500 ppb for strontium was defined by the Environmental Protection Agency as a benchmark for testing under the Unregulated Contaminant Monitoring Rule program. This health guideline protects against harm to bones.

ppb = parts per billion

All test results

Date	Lab ID	Result
2013-02-13	3B14016-01AM	0.0580 ppb
2013-02-13	3B14016-03AM	0.0630 ppb
2013-02-13	3B14016-02AM	0.0550 ppb
2013-02-13	3B14016-04AM	0.0750 ppb
2013-05-22	3E23046-01A	0.0650 ppb
2013-05-22	3E23046-02A	0.0690 ppb
2013-05-22	3E23046-04A	0.0640 ppb
2013-05-22	3E23046-03A	0.0640 ppb
2013-08-21	3H22042-07A	0.0690 ppb
2013-08-21	3H22042-03A	0.0690 ppb
2013-08-21	3H22042-05A	0.0700 ppb
2013-08-21	3H22042-01A	0.0740 ppb
2013-11-20	3K21099-05A	0.0660 ppb
2013-11-20	3K21099-01A	0.0640 ppb
2013-11-20	3K21099-07A	0.0670 ppb
2013-11-20	3K21099-03A	0.0750 ppb
2014-02-27	4B28122-05A	0.0630 ppb
2014-02-27	4B28122-03A	0.0660 ppb
2014-02-27	4B28122-01A	0.0640 ppb