Strontium

Portage

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	0.114 ppb	24	24	0.0671 ppb - 0.230 ppb
2014	N/A	0	0	N/A
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
2013-04-15	714506-8930	0.0888 ppb
2013-04-15	714491-8930	0.118 ppb
2013-04-15	714508-8930	0.0838 ppb
2013-04-15	714516-8930	0.0982 ppb
2013-04-15	714500-8930	0.104 ppb
2013-04-15	714519-8930	0.0698 ppb
2013-04-16	715069-9089	0.130 ppb
2013-04-16	715135-9090	0.143 ppb
2013-04-16	715065-9089	0.0733 ppb
2013-04-16	715063-9089	0.159 ppb
2013-04-16	715067-9089	0.193 ppb
2013-04-16	715094-9089	0.0866 ppb
2013-10-09	751702-10041	0.112 ppb
2013-10-09	751698-10041	0.0955 ppb
2013-10-09	751793-10093	0.0916 ppb
2013-10-09	751807-10093	0.108 ppb
2013-10-09	751790-10093	0.0852 ppb
2013-10-09	751700-10041	0.0671 ppb
2013-10-09	751704-10041	0.161 ppb
2013-10-09	751706-10041	0.0857 ppb
2013-10-09	751714-10093	0.0723 ppb
2013-10-09	751708-10041	0.139 ppb
2013-10-10	751997-10157	0.138 ppb
2013-10-10	751995-10157	0.230 ppb