Strontium

North Kingstown

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	0.140 ppb	9	9	0.0380 ppb - 0.770 ppb
2014	0.0606 ppb	10	10	0.0450 ppb - 0.0790 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
2013-07-11	3G15066-01A	0.0500 ppb
2013-07-11	3G15066-05A	0.0590 ppb
2013-07-17	3G18054-01A	0.0380 ppb
2013-07-17	3G18054-03A	0.0510 ppb
2013-07-17	3G18054-07A	0.0750 ppb
2013-07-17	3G18054-05A	0.0650 ppb
2013-07-24	3G25023-03A	0.0630 ppb
2013-07-24	3G25023-01A	0.0910 ppb
2013-07-24	3G25023-05A	0.770 ppb
2014-01-27	4A28050-03A	0.0470 ppb
2014-01-27	4A28050-07A	0.0450 ppb
2014-01-27	4A28050-05A	0.0790 ppb
2014-01-27	4A28050-01A	0.0450 ppb
2014-01-29	4A30015-05A	0.0650 ppb
2014-01-29	4A30015-01A	0.0590 ppb
2014-01-29	4A30015-03A	0.0650 ppb
2014-01-30	4A31013-05A	0.0770 ppb
2014-01-30	4A31013-03A	0.0660 ppb
2014-01-30	4A31013-01A	0.0580 ppb