Strontium

Florence Water-Wastewater 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	0.0543 ppb	12	12	0.0160 ppb - 0.0680 ppb
2014	0.0495 ppb	12	12	0.0140 ppb - 0.0640 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
2013-07-17	2861900	0.0380 ppb
2013-07-17	2861909	0.0160 ppb
2013-07-17	2861980	0.0400 ppb
2013-07-17	2861940	0.0600 ppb
2013-07-17	2861936	0.0590 ppb
2013-07-17	2861944	0.0610 ppb
2013-07-17	2861919	0.0600 ppb
2013-07-17	2861928	0.0580 ppb
2013-10-15	2915316	0.0620 ppb
2013-10-15	2915258	0.0630 ppb
2013-10-15	2914469	0.0660 ppb
2013-10-15	2914485	0.0680 ppb
2014-01-23	2965583	0.0610 ppb
2014-01-23	2965579	0.0560 ppb
2014-01-23	2965587	0.0620 ppb
2014-01-23	2965801	0.0610 ppb
2014-01-23	2965575	0.0400 ppb
2014-01-23	2965816	0.0410 ppb
2014-01-23	2965831	0.0140 ppb
2014-01-23	2965792	0.0370 ppb
2014-04-16	3012989	0.0640 ppb
2014-04-16	3013004	0.0530 ppb
2014-04-16	3012962	0.0410 ppb
2014-04-16	3013038	0.0640 ppb