Strontium

Cedar Falls Municipal Water Utilities

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	0.491 ppb	16	16	0.134 ppb - 0.912 ppb
2014	0.472 ppb	16	16	0.132 ppb - 0.839 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
2013-09-24	125921	0.614 ppb
2013-09-24	125908	0.134 ppb
2013-09-24	125923	0.137 ppb
2013-09-24	125920	0.604 ppb
2013-09-24	125924	0.153 ppb
2013-09-24	125902	0.912 ppb
2013-09-24	125909	0.144 ppb
2013-09-24	125918	0.814 ppb
2013-09-24	125912	0.553 ppb
2013-09-24	125906	0.252 ppb
2013-09-24	125915	0.821 ppb
2013-09-24	125917	0.888 ppb
2013-09-24	125903	0.543 ppb
2013-09-24	125914	0.820 ppb
2013-09-24	125905	0.248 ppb
2013-09-24	125911	0.221 ppb
2014-03-25	154077	0.823 ppb
2014-03-25	154079	0.132 ppb
2014-03-25	154084	0.134 ppb
2014-03-25	154083	0.202 ppb
2014-03-25	154082	0.624 ppb
2014-03-25	154067	0.134 ppb
2014-03-25	154066	0.620 ppb
2014-03-25	154064	0.268 ppb
2014-03-25	154063	0.809 ppb
2014-03-25	154065	0.576 ppb
2014-03-25	154062	0.134 ppb
2014-03-25	154060	0.432 ppb
2014-03-25	154061	0.786 ppb
2014-03-25	154078	0.790 ppb
2014-03-25	154080	0.839 ppb
2014-03-25	154081	0.244 ppb