Strontium

City of Glendale

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	0.814 ppb	39	39	0.390 ppb - 1.10 ppb
2014	0.823 ppb	7	7	0.400 ppb - 0.930 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
2013-06-03	201306030205AM	0.390 ppb
2013-06-03	201306030203AM	0.480 ppb
2013-06-03	201306030201AM	0.740 ppb
2013-06-03	201306030207AM	1.000 ppb
2013-06-05	201306050320AM	1.000 ppb
2013-06-05	201306050333AM	0.830 ppb
2013-06-05	201306050331AM	0.920 ppb
2013-06-05	201306050324AM	0.890 ppb
2013-06-05	201306050326AM	0.960 ppb
2013-06-05	201306050322AM	0.590 ppb
2013-06-05	201306050318AM	0.610 ppb
2013-06-12	201306120309AM	0.570 ppb
2013-06-12	201306120313AM	0.550 ppb
2013-06-12	201306120311AM	1.10 ppb
2013-06-24	201306240072AM	0.920 ppb
2013-09-03	201309030166AM	0.920 ppb
2013-09-03	201309030162AM	0.620 ppb
2013-09-03	201309030164AM	0.730 ppb
2013-09-04	201309040663AM	0.980 ppb
2013-09-04	201309040661AM	0.880 ppb
2013-09-04	201309040659AM	0.670 ppb
2013-09-12	201309120358AM	0.810 ppb
2013-09-26	201309260282AM	0.920 ppb
2013-12-02	201312020138AM	0.950 ppb
2013-12-02	201312020140AM	0.880 ppb
2013-12-02	201312020136AM	0.660 ppb
2013-12-03	201312030378AM	0.860 ppb
2013-12-03	201312030380AM	0.880 ppb
2013-12-03	201312030382AM	0.920 ppb
2013-12-04	201312040826AM	0.890 ppb
2013-12-04	201312040822AM	0.750 ppb
2013-12-04	201312040820AM	1.000 ppb
2013-12-04	201312040824AM	0.500 ppb
2013-12-04	201312040828AM	0.790 ppb
2013-12-04	201312040830AM	0.980 ppb
2013-12-09	201312090096AM	0.740 ppb
2013-12-10	201312100492AM	1.10 ppb
2013-12-10	201312100488AM	0.890 ppb
2013-12-10	201312100490AM	0.880 ppb
2014-01-16	201401160466AM	0.400 ppb
2014-03-03	201403030042AM	0.920 ppb
2014-03-03	201403030046AM	0.930 ppb
2014-03-03	201403030038AM	0.920 ppb
2014-03-03	201403030040AM	0.850 ppb
2014-03-03	201403030044AM	0.900 ppb
2014-03-27	201403270383AM	0.840 ppb